{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:EB4DEWPLUHZQCHHUBBTRVRSSHN","short_pith_number":"pith:EB4DEWPL","canonical_record":{"source":{"id":"2502.04364","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T06:24:25Z","cross_cats_sorted":["cs.AI","cs.HC","cs.LG"],"title_canon_sha256":"2035f9ed8b41c6e093eb853ed5c792b8f4dca0cd3692e66f64daec964d8c78ac","abstract_canon_sha256":"80602d0fa473b37900f281b3066c89b837024664aa784640a3314eb4a88a5d47"},"schema_version":"1.0"},"canonical_sha256":"20783259eba1f3011cf408671ac6523b5fa81e30be693a97e2fab8adf120e53c","source":{"kind":"arxiv","id":"2502.04364","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.04364","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"arxiv_version","alias_value":"2502.04364v1","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.04364","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"pith_short_12","alias_value":"EB4DEWPLUHZQ","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"pith_short_16","alias_value":"EB4DEWPLUHZQCHHU","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"pith_short_8","alias_value":"EB4DEWPL","created_at":"2026-07-05T10:10:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:EB4DEWPLUHZQCHHUBBTRVRSSHN","target":"record","payload":{"canonical_record":{"source":{"id":"2502.04364","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T06:24:25Z","cross_cats_sorted":["cs.AI","cs.HC","cs.LG"],"title_canon_sha256":"2035f9ed8b41c6e093eb853ed5c792b8f4dca0cd3692e66f64daec964d8c78ac","abstract_canon_sha256":"80602d0fa473b37900f281b3066c89b837024664aa784640a3314eb4a88a5d47"},"schema_version":"1.0"},"canonical_sha256":"20783259eba1f3011cf408671ac6523b5fa81e30be693a97e2fab8adf120e53c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:10:50.367109Z","signature_b64":"0Egh40z3m0YKnf8AdwU3fZVk0ill5Ynha6bA3VFxeCzmFaYBydPUwudNiJFsUWGeEbs4XOlhDsfo+RmcK5sLBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20783259eba1f3011cf408671ac6523b5fa81e30be693a97e2fab8adf120e53c","last_reissued_at":"2026-07-05T10:10:50.366583Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:10:50.366583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.04364","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:10:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U6CxQttkAjlcqY/xf2Ph+Y1Z2YRrfO3Vd7X39tkGZkpRvRbwr/sxhnQWSwJrgTEmUOiLT0NLSDMwx585ittNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:00:37.132254Z"},"content_sha256":"c65eedaf726063b87a463b550821ea3f412874cac017b31063b3740507c9160b","schema_version":"1.0","event_id":"sha256:c65eedaf726063b87a463b550821ea3f412874cac017b31063b3740507c9160b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:EB4DEWPLUHZQCHHUBBTRVRSSHN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lost in Edits? A $\\lambda$-Compass for AIGC Provenance","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.AI","cs.HC","cs.LG"],"primary_cat":"cs.CV","authors_text":"Bryan Hooi, Euijin Choo, Junsong Yuan, Ming-Hsuan Yang, Wenhao You, Yiwei Wang, Yujun Cai, Zi Huang","submitted_at":"2025-02-05T06:24:25Z","abstract_excerpt":"Recent advancements in diffusion models have driven the growth of text-guided image editing tools, enabling precise and iterative modifications of synthesized content. However, as these tools become increasingly accessible, they also introduce significant risks of misuse, emphasizing the critical need for robust attribution methods to ensure content authenticity and traceability. Despite the creative potential of such tools, they pose significant challenges for attribution, particularly in adversarial settings where edits can be layered to obscure an image's origins. We propose LambdaTracer, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.04364","kind":"arxiv","version":1},"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/2502.04364/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:10:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N8VihgkoKlDbow3lnAFZdFxRqosvphLsEkI6pH335vCXIc0QCBxjTiVpFPKw0yKAkbDPiaxON7TWw1ezRBOpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:00:37.132657Z"},"content_sha256":"587c41c6ab9a81ba6871c4fa2eda0231f7c05ea822a40d2d25f28afeb4a57675","schema_version":"1.0","event_id":"sha256:587c41c6ab9a81ba6871c4fa2eda0231f7c05ea822a40d2d25f28afeb4a57675"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EB4DEWPLUHZQCHHUBBTRVRSSHN/bundle.json","state_url":"https://pith.science/pith/EB4DEWPLUHZQCHHUBBTRVRSSHN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EB4DEWPLUHZQCHHUBBTRVRSSHN/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-09T05:00:37Z","links":{"resolver":"https://pith.science/pith/EB4DEWPLUHZQCHHUBBTRVRSSHN","bundle":"https://pith.science/pith/EB4DEWPLUHZQCHHUBBTRVRSSHN/bundle.json","state":"https://pith.science/pith/EB4DEWPLUHZQCHHUBBTRVRSSHN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EB4DEWPLUHZQCHHUBBTRVRSSHN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:EB4DEWPLUHZQCHHUBBTRVRSSHN","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"80602d0fa473b37900f281b3066c89b837024664aa784640a3314eb4a88a5d47","cross_cats_sorted":["cs.AI","cs.HC","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T06:24:25Z","title_canon_sha256":"2035f9ed8b41c6e093eb853ed5c792b8f4dca0cd3692e66f64daec964d8c78ac"},"schema_version":"1.0","source":{"id":"2502.04364","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.04364","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"arxiv_version","alias_value":"2502.04364v1","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.04364","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"pith_short_12","alias_value":"EB4DEWPLUHZQ","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"pith_short_16","alias_value":"EB4DEWPLUHZQCHHU","created_at":"2026-07-05T10:10:50Z"},{"alias_kind":"pith_short_8","alias_value":"EB4DEWPL","created_at":"2026-07-05T10:10:50Z"}],"graph_snapshots":[{"event_id":"sha256:587c41c6ab9a81ba6871c4fa2eda0231f7c05ea822a40d2d25f28afeb4a57675","target":"graph","created_at":"2026-07-05T10:10:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.04364/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent advancements in diffusion models have driven the growth of text-guided image editing tools, enabling precise and iterative modifications of synthesized content. However, as these tools become increasingly accessible, they also introduce significant risks of misuse, emphasizing the critical need for robust attribution methods to ensure content authenticity and traceability. Despite the creative potential of such tools, they pose significant challenges for attribution, particularly in adversarial settings where edits can be layered to obscure an image's origins. We propose LambdaTracer, a","authors_text":"Bryan Hooi, Euijin Choo, Junsong Yuan, Ming-Hsuan Yang, Wenhao You, Yiwei Wang, Yujun Cai, Zi Huang","cross_cats":["cs.AI","cs.HC","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T06:24:25Z","title":"Lost in Edits? A $\\lambda$-Compass for AIGC Provenance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.04364","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c65eedaf726063b87a463b550821ea3f412874cac017b31063b3740507c9160b","target":"record","created_at":"2026-07-05T10:10:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"80602d0fa473b37900f281b3066c89b837024664aa784640a3314eb4a88a5d47","cross_cats_sorted":["cs.AI","cs.HC","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T06:24:25Z","title_canon_sha256":"2035f9ed8b41c6e093eb853ed5c792b8f4dca0cd3692e66f64daec964d8c78ac"},"schema_version":"1.0","source":{"id":"2502.04364","kind":"arxiv","version":1}},"canonical_sha256":"20783259eba1f3011cf408671ac6523b5fa81e30be693a97e2fab8adf120e53c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20783259eba1f3011cf408671ac6523b5fa81e30be693a97e2fab8adf120e53c","first_computed_at":"2026-07-05T10:10:50.366583Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:10:50.366583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Egh40z3m0YKnf8AdwU3fZVk0ill5Ynha6bA3VFxeCzmFaYBydPUwudNiJFsUWGeEbs4XOlhDsfo+RmcK5sLBg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:10:50.367109Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.04364","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c65eedaf726063b87a463b550821ea3f412874cac017b31063b3740507c9160b","sha256:587c41c6ab9a81ba6871c4fa2eda0231f7c05ea822a40d2d25f28afeb4a57675"],"state_sha256":"11e968d9ab3d14151b1ae500c8408a79236cb4cd83177c9637e10b293a52520b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DmlM8CVI5xnPKk68CFOlxf2wFHThrJldh+Isg9kCOnfYEcJz25K25Y+nTUJ8Eh8UTk8KjIThUkkABxJ7vyShAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:00:37.134783Z","bundle_sha256":"192c542f76224ede695ecab0e2a7374a295cf96f7c4e4e51e68ac3acb2064db9"}}