{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:HPGCECLKDNG5NV4M6FON4HMIXQ","short_pith_number":"pith:HPGCECLK","schema_version":"1.0","canonical_sha256":"3bcc22096a1b4dd6d78cf15cde1d88bc0f0da053a2aff7484719aac8bf2b5052","source":{"kind":"arxiv","id":"2103.04736","version":2},"attestation_state":"computed","paper":{"title":"Content-Aware Detection of Temporal Metadata Manipulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Anderson Rocha, Fernanda A. Andal\\'o, Nathan Jacobs, Rafael Padilha, Scott Workman, Tawfiq Salem","submitted_at":"2021-03-08T13:16:19Z","abstract_excerpt":"Most pictures shared online are accompanied by temporal metadata (i.e., the day and time they were taken), which makes it possible to associate an image content with real-world events. Maliciously manipulating this metadata can convey a distorted version of reality. In this work, we present the emerging problem of detecting timestamp manipulation. We propose an end-to-end approach to verify whether the purported time of capture of an outdoor image is consistent with its content and geographic location. We consider manipulations done in the hour and/or month of capture of a photograph. The cent"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2103.04736","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-08T13:16:19Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"598f4107b8f5f0d96fa0dc62c940743385576e3d8744193a579bcf396da952b8","abstract_canon_sha256":"42641f971615f4850dd447c62986d9c1a8f749777eec5380939a2740a04b6eb7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:03:45.082804Z","signature_b64":"+/ZS/mxFDrO59gDHHF5GIS/63n7107qq22/0OnHcJ+aSgXUAbB6cX6OELCNekMRlYs0Ng6unRnzOVjgFsvYHCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3bcc22096a1b4dd6d78cf15cde1d88bc0f0da053a2aff7484719aac8bf2b5052","last_reissued_at":"2026-07-05T04:03:45.082310Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:03:45.082310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Content-Aware Detection of Temporal Metadata Manipulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Anderson Rocha, Fernanda A. Andal\\'o, Nathan Jacobs, Rafael Padilha, Scott Workman, Tawfiq Salem","submitted_at":"2021-03-08T13:16:19Z","abstract_excerpt":"Most pictures shared online are accompanied by temporal metadata (i.e., the day and time they were taken), which makes it possible to associate an image content with real-world events. Maliciously manipulating this metadata can convey a distorted version of reality. In this work, we present the emerging problem of detecting timestamp manipulation. We propose an end-to-end approach to verify whether the purported time of capture of an outdoor image is consistent with its content and geographic location. We consider manipulations done in the hour and/or month of capture of a photograph. The cent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.04736","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.04736/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2103.04736","created_at":"2026-07-05T04:03:45.082379+00:00"},{"alias_kind":"arxiv_version","alias_value":"2103.04736v2","created_at":"2026-07-05T04:03:45.082379+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.04736","created_at":"2026-07-05T04:03:45.082379+00:00"},{"alias_kind":"pith_short_12","alias_value":"HPGCECLKDNG5","created_at":"2026-07-05T04:03:45.082379+00:00"},{"alias_kind":"pith_short_16","alias_value":"HPGCECLKDNG5NV4M","created_at":"2026-07-05T04:03:45.082379+00:00"},{"alias_kind":"pith_short_8","alias_value":"HPGCECLK","created_at":"2026-07-05T04:03:45.082379+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ","json":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ.json","graph_json":"https://pith.science/api/pith-number/HPGCECLKDNG5NV4M6FON4HMIXQ/graph.json","events_json":"https://pith.science/api/pith-number/HPGCECLKDNG5NV4M6FON4HMIXQ/events.json","paper":"https://pith.science/paper/HPGCECLK"},"agent_actions":{"view_html":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ","download_json":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ.json","view_paper":"https://pith.science/paper/HPGCECLK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2103.04736&json=true","fetch_graph":"https://pith.science/api/pith-number/HPGCECLKDNG5NV4M6FON4HMIXQ/graph.json","fetch_events":"https://pith.science/api/pith-number/HPGCECLKDNG5NV4M6FON4HMIXQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ/action/storage_attestation","attest_author":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ/action/author_attestation","sign_citation":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ/action/citation_signature","submit_replication":"https://pith.science/pith/HPGCECLKDNG5NV4M6FON4HMIXQ/action/replication_record"}},"created_at":"2026-07-05T04:03:45.082379+00:00","updated_at":"2026-07-05T04:03:45.082379+00:00"}