SlideShare a Scribd company logo
“Trust Me, This Happened”

Enhancing Citizen Media as
Human Rights Evidence and
News Source
"locations": {                                            "imageRegions": [{
                     "locationOnMediaCapture": {                     "timestampOnGeneration": 1234354657,
                               "latitude": -73.32345,                "locationOnGeneration": {
                               "longitude": 41.1344026,                         "latitude": -73.32345,
                               "cellId": 129510,                                "longitude": 41.1344026,
                               "accelerometer": {                               "cellId": 129510
                                         "x": 2.44,                  },
                                         "y": 4.32,                  "obfuscationType": "org.witness.securesmartcam.filters.ConsentTag
                                         "z": -0.034                 "regionDimensions": [320,320],
                               }                                     "regionCoordinates": [176,367],
                     },                                              "unredactedHash": "HASH-OF-IMAGE-REGION-DATA",
                     "locationOnMediaSave": {                        "processedHash": "HASH-OF-IMAGE-REGION-DATA-AFTER-PROCESSING",
                               "latitude": -73.32345,                "subject": {
                               "longitude": 41.1344026,                         "subjectName": "Pseudonym of subject or description",
                               "cellId": 129510                                 "informedConsentGiven": true,
                     }                                                          "consentGivent": [
 },                                                                                       101,
                                                                                          102,
"corroboration": [                                                                        103
                              {                                "data": {
          "btNeighboringDevice": {                                        "imageHash": "HASH-OF-ENTIRE-IMAGE-DATA",
          "deviceName": "A Neighboring BT-enabled Device",                "timestamps": {
          "address": "00:22:33:44:55:66”                                             "timestampOnMediaCapture": 12334456,
                                        }                                            "timestampReportedInExifData": 123455678,
          },                                                                         "timestampOnMediaSave": 123546678
           {                                                              },
          "btNeighboringDevice": {                                        "sourceType": 101,
          "deviceName": "Another Neighboring BT-enabled Device",          "device": {
          "address": "00:22:33:44:55:66"                                             "key": "RSA-512-Hash-of-device",
                                        }                               }            "IMEI": "IMEIOfDevice"
                    ],                                                    },
                                   {"sourceObject”:{
                                                       "intent": {
                                                                  "ownership": {
                                                                             "key": "PGPKEY-OF-OWNER",
                                                                             "ownershipType": 25,
                                                                             "bluetoothAddress": "00:22:33:44:55:66"
                                                                  },
                                                                  "securityLevel": 1
                                                       },
                                                       "geneaology": {
                                                                  "localMediaPath": "/path/to/source/image/on/device",
                                                                  "dateCreated": 12345689,
                                                                  "dateAcquired": 123455689,
                                                                  "intendedDestination": "PUBLIC-KEY-OF-SPONSORING-ORGANIZATION"
                                                          },
The Human Rights Channel on
                       Youtube.com/h
                        umanrights
blog.witness.org
youtube.com/humanright
           s
  twitter/samgregory


                       Thanks to monkeytown toilet wall

More Related Content

Viewers also liked

Ttm rate card 6 28-12
Ttm rate card 6 28-12Ttm rate card 6 28-12
Ttm rate card 6 28-12dinahs
 
trabajo practico n°20
trabajo practico n°20trabajo practico n°20
trabajo practico n°20anitayjime
 
AIESEC UWA Network Contribution Award Application, July 2012
AIESEC UWA Network Contribution Award Application, July 2012AIESEC UWA Network Contribution Award Application, July 2012
AIESEC UWA Network Contribution Award Application, July 2012lebedevadawg
 
2012 annual tw
2012 annual tw2012 annual tw
2012 annual twEason Wu
 
2 學術性營隊 - 楊佳憲
2   學術性營隊 - 楊佳憲2   學術性營隊 - 楊佳憲
2 學術性營隊 - 楊佳憲Eason Wu
 
trabajo practico n°4
trabajo practico n°4trabajo practico n°4
trabajo practico n°4anitayjime
 
trabajo practico n°6
trabajo practico n°6trabajo practico n°6
trabajo practico n°6anitayjime
 
AIESEC UWA LC of the Year Application, July 2012
AIESEC UWA LC of the Year Application, July 2012AIESEC UWA LC of the Year Application, July 2012
AIESEC UWA LC of the Year Application, July 2012lebedevadawg
 
Google presentation october2012 10 25-12c
Google presentation october2012 10 25-12cGoogle presentation october2012 10 25-12c
Google presentation october2012 10 25-12cdinahs
 
It's Not You, It's Me: Three Steps to Winning in the Collaborative Economy
It's Not You, It's Me: Three Steps to Winning in the Collaborative EconomyIt's Not You, It's Me: Three Steps to Winning in the Collaborative Economy
It's Not You, It's Me: Three Steps to Winning in the Collaborative Economy
Glug Events
 
Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...
Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...
Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...gdnmedianetwork
 

Viewers also liked (13)

Ttm rate card 6 28-12
Ttm rate card 6 28-12Ttm rate card 6 28-12
Ttm rate card 6 28-12
 
trabajo practico n°20
trabajo practico n°20trabajo practico n°20
trabajo practico n°20
 
AIESEC UWA Network Contribution Award Application, July 2012
AIESEC UWA Network Contribution Award Application, July 2012AIESEC UWA Network Contribution Award Application, July 2012
AIESEC UWA Network Contribution Award Application, July 2012
 
012
012012
012
 
2012 annual tw
2012 annual tw2012 annual tw
2012 annual tw
 
2 學術性營隊 - 楊佳憲
2   學術性營隊 - 楊佳憲2   學術性營隊 - 楊佳憲
2 學術性營隊 - 楊佳憲
 
trabajo practico n°4
trabajo practico n°4trabajo practico n°4
trabajo practico n°4
 
trabajo practico n°6
trabajo practico n°6trabajo practico n°6
trabajo practico n°6
 
AIESEC UWA LC of the Year Application, July 2012
AIESEC UWA LC of the Year Application, July 2012AIESEC UWA LC of the Year Application, July 2012
AIESEC UWA LC of the Year Application, July 2012
 
Google presentation october2012 10 25-12c
Google presentation october2012 10 25-12cGoogle presentation october2012 10 25-12c
Google presentation october2012 10 25-12c
 
trabajo n°6
trabajo n°6trabajo n°6
trabajo n°6
 
It's Not You, It's Me: Three Steps to Winning in the Collaborative Economy
It's Not You, It's Me: Three Steps to Winning in the Collaborative EconomyIt's Not You, It's Me: Three Steps to Winning in the Collaborative Economy
It's Not You, It's Me: Three Steps to Winning in the Collaborative Economy
 
Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...
Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...
Rufus Pollock, The Open Knowledge Foundation at the Guardian Activate Summit:...
 

Similar to Sam Gregory, programme director, WITNESS presentation at the Guardian Activate Summit: London 2012

Building and Scaling the Internet of Things with MongoDB at Vivint
Building and Scaling the Internet of Things with MongoDB at Vivint Building and Scaling the Internet of Things with MongoDB at Vivint
Building and Scaling the Internet of Things with MongoDB at Vivint
MongoDB
 
CIS 2015b FIDO U2F in 10 minutes - Dirk Balfanz
CIS 2015b FIDO U2F in 10 minutes - Dirk BalfanzCIS 2015b FIDO U2F in 10 minutes - Dirk Balfanz
CIS 2015b FIDO U2F in 10 minutes - Dirk Balfanz
CloudIDSummit
 
Fido u2 f in 10 minutes (cis 2015)
Fido u2 f in 10 minutes (cis 2015)Fido u2 f in 10 minutes (cis 2015)
Fido u2 f in 10 minutes (cis 2015)CloudIDSummit
 
Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...
Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...
Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...
confluent
 
Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...
Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...
Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...
Luciano Mammino
 
Internet of things
Internet of thingsInternet of things
Internet of things
Bryan Reinero
 
Shoudio API v1
Shoudio API v1Shoudio API v1
Shoudio API v1
Roeland P Landegent
 
Geth important commands
Geth important commandsGeth important commands
Geth important commands
NexThoughts Technologies
 
FIWARE Training: IoT and Legacy
FIWARE Training: IoT and LegacyFIWARE Training: IoT and Legacy
FIWARE Training: IoT and Legacy
FIWARE
 
Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...
Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...
Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...
FIWARE
 

Similar to Sam Gregory, programme director, WITNESS presentation at the Guardian Activate Summit: London 2012 (13)

Building and Scaling the Internet of Things with MongoDB at Vivint
Building and Scaling the Internet of Things with MongoDB at Vivint Building and Scaling the Internet of Things with MongoDB at Vivint
Building and Scaling the Internet of Things with MongoDB at Vivint
 
CIS 2015b FIDO U2F in 10 minutes - Dirk Balfanz
CIS 2015b FIDO U2F in 10 minutes - Dirk BalfanzCIS 2015b FIDO U2F in 10 minutes - Dirk Balfanz
CIS 2015b FIDO U2F in 10 minutes - Dirk Balfanz
 
Fido u2 f in 10 minutes (cis 2015)
Fido u2 f in 10 minutes (cis 2015)Fido u2 f in 10 minutes (cis 2015)
Fido u2 f in 10 minutes (cis 2015)
 
Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...
Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...
Closing the Loop in Extended Reality with Kafka Streams and Machine Learning ...
 
Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...
Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...
Cracking JWT tokens: a tale of magic, Node.js and parallel computing - Code E...
 
temple run 2 cheat
temple run 2 cheattemple run 2 cheat
temple run 2 cheat
 
Internet of things
Internet of thingsInternet of things
Internet of things
 
Shoudio API v1
Shoudio API v1Shoudio API v1
Shoudio API v1
 
Data exchange formats
Data exchange formatsData exchange formats
Data exchange formats
 
Geth important commands
Geth important commandsGeth important commands
Geth important commands
 
FIWARE Training: IoT and Legacy
FIWARE Training: IoT and LegacyFIWARE Training: IoT and Legacy
FIWARE Training: IoT and Legacy
 
Id32
Id32Id32
Id32
 
Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...
Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...
Session 7 - Connecting to Legacy Systems, IoT and other Systems | Train the T...
 

Recently uploaded

Short history indo pak 1965 war 1st pd.ppt
Short history indo pak 1965 war 1st pd.pptShort history indo pak 1965 war 1st pd.ppt
Short history indo pak 1965 war 1st pd.ppt
pawan543822
 
Mizzima Weekly Analysis & Insight Issue 1
Mizzima Weekly Analysis & Insight Issue 1Mizzima Weekly Analysis & Insight Issue 1
Mizzima Weekly Analysis & Insight Issue 1
Mizzima Media
 
27052024_First India Newspaper Jaipur.pdf
27052024_First India Newspaper Jaipur.pdf27052024_First India Newspaper Jaipur.pdf
27052024_First India Newspaper Jaipur.pdf
FIRST INDIA
 
Preview of Court Document for Iseyin community
Preview of Court Document for Iseyin communityPreview of Court Document for Iseyin community
Preview of Court Document for Iseyin community
contact193699
 
role of women and girls in various terror groups
role of women and girls in various terror groupsrole of women and girls in various terror groups
role of women and girls in various terror groups
sadiakorobi2
 
03062024_First India Newspaper Jaipur.pdf
03062024_First India Newspaper Jaipur.pdf03062024_First India Newspaper Jaipur.pdf
03062024_First India Newspaper Jaipur.pdf
FIRST INDIA
 
Do Linguistics Still Matter in the Age of Large Language Models.pptx
Do Linguistics Still Matter in the Age of Large Language Models.pptxDo Linguistics Still Matter in the Age of Large Language Models.pptx
Do Linguistics Still Matter in the Age of Large Language Models.pptx
Slator- Language Industry Intelligence
 
Chapter-8th-Recent Developments in Indian Politics-PPT.pptx
Chapter-8th-Recent Developments in Indian Politics-PPT.pptxChapter-8th-Recent Developments in Indian Politics-PPT.pptx
Chapter-8th-Recent Developments in Indian Politics-PPT.pptx
ssuserec98a3
 
AI and Covert Influence Operations: Latest Trends
AI and Covert Influence Operations: Latest TrendsAI and Covert Influence Operations: Latest Trends
AI and Covert Influence Operations: Latest Trends
CI kumparan
 
Resolutions-Key-Interventions-28-May-2024.pdf
Resolutions-Key-Interventions-28-May-2024.pdfResolutions-Key-Interventions-28-May-2024.pdf
Resolutions-Key-Interventions-28-May-2024.pdf
bhavenpr
 
ys jagan mohan reddy political career, Biography.pdf
ys jagan mohan reddy political career, Biography.pdfys jagan mohan reddy political career, Biography.pdf
ys jagan mohan reddy political career, Biography.pdf
VoterMood
 
Future Of Fintech In India | Evolution Of Fintech In India
Future Of Fintech In India | Evolution Of Fintech In IndiaFuture Of Fintech In India | Evolution Of Fintech In India
Future Of Fintech In India | Evolution Of Fintech In India
TheUnitedIndian
 
2024 is the point of certainty. Forecast of UIF experts
2024 is the point of certainty. Forecast of UIF experts2024 is the point of certainty. Forecast of UIF experts
2024 is the point of certainty. Forecast of UIF experts
olaola5673
 
Hogan Comes Home: an MIA WWII crewman is returned
Hogan Comes Home: an MIA WWII crewman is returnedHogan Comes Home: an MIA WWII crewman is returned
Hogan Comes Home: an MIA WWII crewman is returned
rbakerj2
 
HISTORY- XII-Theme 3 - Kinship, Caste and Class.pptx
HISTORY- XII-Theme 3 - Kinship, Caste and Class.pptxHISTORY- XII-Theme 3 - Kinship, Caste and Class.pptx
HISTORY- XII-Theme 3 - Kinship, Caste and Class.pptx
aditiyad2020
 
01062024_First India Newspaper Jaipur.pdf
01062024_First India Newspaper Jaipur.pdf01062024_First India Newspaper Jaipur.pdf
01062024_First India Newspaper Jaipur.pdf
FIRST INDIA
 
31052024_First India Newspaper Jaipur.pdf
31052024_First India Newspaper Jaipur.pdf31052024_First India Newspaper Jaipur.pdf
31052024_First India Newspaper Jaipur.pdf
FIRST INDIA
 
Codes n Conventionss copy (1).paaaaaaptx
Codes n Conventionss copy (1).paaaaaaptxCodes n Conventionss copy (1).paaaaaaptx
Codes n Conventionss copy (1).paaaaaaptx
ZackSpencer3
 
Sharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdf
Sharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdfSharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdf
Sharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdf
bhavenpr
 
Draft-1-Resolutions-Key-Interventions-.pdf
Draft-1-Resolutions-Key-Interventions-.pdfDraft-1-Resolutions-Key-Interventions-.pdf
Draft-1-Resolutions-Key-Interventions-.pdf
bhavenpr
 

Recently uploaded (20)

Short history indo pak 1965 war 1st pd.ppt
Short history indo pak 1965 war 1st pd.pptShort history indo pak 1965 war 1st pd.ppt
Short history indo pak 1965 war 1st pd.ppt
 
Mizzima Weekly Analysis & Insight Issue 1
Mizzima Weekly Analysis & Insight Issue 1Mizzima Weekly Analysis & Insight Issue 1
Mizzima Weekly Analysis & Insight Issue 1
 
27052024_First India Newspaper Jaipur.pdf
27052024_First India Newspaper Jaipur.pdf27052024_First India Newspaper Jaipur.pdf
27052024_First India Newspaper Jaipur.pdf
 
Preview of Court Document for Iseyin community
Preview of Court Document for Iseyin communityPreview of Court Document for Iseyin community
Preview of Court Document for Iseyin community
 
role of women and girls in various terror groups
role of women and girls in various terror groupsrole of women and girls in various terror groups
role of women and girls in various terror groups
 
03062024_First India Newspaper Jaipur.pdf
03062024_First India Newspaper Jaipur.pdf03062024_First India Newspaper Jaipur.pdf
03062024_First India Newspaper Jaipur.pdf
 
Do Linguistics Still Matter in the Age of Large Language Models.pptx
Do Linguistics Still Matter in the Age of Large Language Models.pptxDo Linguistics Still Matter in the Age of Large Language Models.pptx
Do Linguistics Still Matter in the Age of Large Language Models.pptx
 
Chapter-8th-Recent Developments in Indian Politics-PPT.pptx
Chapter-8th-Recent Developments in Indian Politics-PPT.pptxChapter-8th-Recent Developments in Indian Politics-PPT.pptx
Chapter-8th-Recent Developments in Indian Politics-PPT.pptx
 
AI and Covert Influence Operations: Latest Trends
AI and Covert Influence Operations: Latest TrendsAI and Covert Influence Operations: Latest Trends
AI and Covert Influence Operations: Latest Trends
 
Resolutions-Key-Interventions-28-May-2024.pdf
Resolutions-Key-Interventions-28-May-2024.pdfResolutions-Key-Interventions-28-May-2024.pdf
Resolutions-Key-Interventions-28-May-2024.pdf
 
ys jagan mohan reddy political career, Biography.pdf
ys jagan mohan reddy political career, Biography.pdfys jagan mohan reddy political career, Biography.pdf
ys jagan mohan reddy political career, Biography.pdf
 
Future Of Fintech In India | Evolution Of Fintech In India
Future Of Fintech In India | Evolution Of Fintech In IndiaFuture Of Fintech In India | Evolution Of Fintech In India
Future Of Fintech In India | Evolution Of Fintech In India
 
2024 is the point of certainty. Forecast of UIF experts
2024 is the point of certainty. Forecast of UIF experts2024 is the point of certainty. Forecast of UIF experts
2024 is the point of certainty. Forecast of UIF experts
 
Hogan Comes Home: an MIA WWII crewman is returned
Hogan Comes Home: an MIA WWII crewman is returnedHogan Comes Home: an MIA WWII crewman is returned
Hogan Comes Home: an MIA WWII crewman is returned
 
HISTORY- XII-Theme 3 - Kinship, Caste and Class.pptx
HISTORY- XII-Theme 3 - Kinship, Caste and Class.pptxHISTORY- XII-Theme 3 - Kinship, Caste and Class.pptx
HISTORY- XII-Theme 3 - Kinship, Caste and Class.pptx
 
01062024_First India Newspaper Jaipur.pdf
01062024_First India Newspaper Jaipur.pdf01062024_First India Newspaper Jaipur.pdf
01062024_First India Newspaper Jaipur.pdf
 
31052024_First India Newspaper Jaipur.pdf
31052024_First India Newspaper Jaipur.pdf31052024_First India Newspaper Jaipur.pdf
31052024_First India Newspaper Jaipur.pdf
 
Codes n Conventionss copy (1).paaaaaaptx
Codes n Conventionss copy (1).paaaaaaptxCodes n Conventionss copy (1).paaaaaaptx
Codes n Conventionss copy (1).paaaaaaptx
 
Sharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdf
Sharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdfSharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdf
Sharjeel-Imam-Judgement-CRLA-215-2024_29-05-2024.pdf
 
Draft-1-Resolutions-Key-Interventions-.pdf
Draft-1-Resolutions-Key-Interventions-.pdfDraft-1-Resolutions-Key-Interventions-.pdf
Draft-1-Resolutions-Key-Interventions-.pdf
 

Sam Gregory, programme director, WITNESS presentation at the Guardian Activate Summit: London 2012

  • 1. “Trust Me, This Happened” Enhancing Citizen Media as Human Rights Evidence and News Source
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7. "locations": { "imageRegions": [{ "locationOnMediaCapture": { "timestampOnGeneration": 1234354657, "latitude": -73.32345, "locationOnGeneration": { "longitude": 41.1344026, "latitude": -73.32345, "cellId": 129510, "longitude": 41.1344026, "accelerometer": { "cellId": 129510 "x": 2.44, }, "y": 4.32, "obfuscationType": "org.witness.securesmartcam.filters.ConsentTag "z": -0.034 "regionDimensions": [320,320], } "regionCoordinates": [176,367], }, "unredactedHash": "HASH-OF-IMAGE-REGION-DATA", "locationOnMediaSave": { "processedHash": "HASH-OF-IMAGE-REGION-DATA-AFTER-PROCESSING", "latitude": -73.32345, "subject": { "longitude": 41.1344026, "subjectName": "Pseudonym of subject or description", "cellId": 129510 "informedConsentGiven": true, } "consentGivent": [ }, 101, 102, "corroboration": [ 103 { "data": { "btNeighboringDevice": { "imageHash": "HASH-OF-ENTIRE-IMAGE-DATA", "deviceName": "A Neighboring BT-enabled Device", "timestamps": { "address": "00:22:33:44:55:66” "timestampOnMediaCapture": 12334456, } "timestampReportedInExifData": 123455678, }, "timestampOnMediaSave": 123546678 { }, "btNeighboringDevice": { "sourceType": 101, "deviceName": "Another Neighboring BT-enabled Device", "device": { "address": "00:22:33:44:55:66" "key": "RSA-512-Hash-of-device", } } "IMEI": "IMEIOfDevice" ], }, {"sourceObject”:{ "intent": { "ownership": { "key": "PGPKEY-OF-OWNER", "ownershipType": 25, "bluetoothAddress": "00:22:33:44:55:66" }, "securityLevel": 1 }, "geneaology": { "localMediaPath": "/path/to/source/image/on/device", "dateCreated": 12345689, "dateAcquired": 123455689, "intendedDestination": "PUBLIC-KEY-OF-SPONSORING-ORGANIZATION" },
  • 8.
  • 9. The Human Rights Channel on Youtube.com/h umanrights
  • 10.
  • 11. blog.witness.org youtube.com/humanright s twitter/samgregory Thanks to monkeytown toilet wall

Editor's Notes

  1. JSON Evidentiary Mobile Media Metadata Specification- A format that can be used to easily describe the origins, context, and content of any image or video taken with a mobile device. - Maintains a trusted record of chain-of-custody.- Expresses the context surrounding the media object’s capture - Embeds extra user input into the media object as signed metadata. - Provides metrics for analyzing the content of the media object.
  2. JSON Evidentiary Mobile Media Metadata Specification- A format that can be used to easily describe the origins, context, and content of any image or video taken with a mobile device. - Maintains a trusted record of chain-of-custody.- Expresses the context surrounding the media object’s capture - Embeds extra user input into the media object as signed metadata. - Provides metrics for analyzing the content of the media object.