{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:XJ73OSRGPQI53EO6A62T2XIO2X","short_pith_number":"pith:XJ73OSRG","canonical_record":{"source":{"id":"2010.01235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2020-10-03T00:24:50Z","cross_cats_sorted":[],"title_canon_sha256":"281c67d7344b47b83b48be8bb34424c0033e0a537982e8a460d101b8025ff262","abstract_canon_sha256":"c97bbcb5090b458c693805bd34d8ab870d30f9ce2e31d65f3fcaba706d4ee3a2"},"schema_version":"1.0"},"canonical_sha256":"ba7fb74a267c11dd91de07b53d5d0ed5e415faa1e7cba4591b71561daed89c0c","source":{"kind":"arxiv","id":"2010.01235","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.01235","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"arxiv_version","alias_value":"2010.01235v2","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.01235","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"pith_short_12","alias_value":"XJ73OSRGPQI5","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"pith_short_16","alias_value":"XJ73OSRGPQI53EO6","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"pith_short_8","alias_value":"XJ73OSRG","created_at":"2026-07-05T04:51:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:XJ73OSRGPQI53EO6A62T2XIO2X","target":"record","payload":{"canonical_record":{"source":{"id":"2010.01235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2020-10-03T00:24:50Z","cross_cats_sorted":[],"title_canon_sha256":"281c67d7344b47b83b48be8bb34424c0033e0a537982e8a460d101b8025ff262","abstract_canon_sha256":"c97bbcb5090b458c693805bd34d8ab870d30f9ce2e31d65f3fcaba706d4ee3a2"},"schema_version":"1.0"},"canonical_sha256":"ba7fb74a267c11dd91de07b53d5d0ed5e415faa1e7cba4591b71561daed89c0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:51:04.119448Z","signature_b64":"z9aEyTYDeQYnT+hH3hRh757nN6m+w5rOqDdA2SJMvUGlo3kZ4M2wgNi4NyTfJ/0zHrwaQ0wfpclXrOxz8F45CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba7fb74a267c11dd91de07b53d5d0ed5e415faa1e7cba4591b71561daed89c0c","last_reissued_at":"2026-07-05T04:51:04.119062Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:51:04.119062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.01235","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:51:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N+ZA23Qdvp/s4za4UhbPwmxb8yAjmk0E9zzwU8Jo6hUWyBIVWhw2QepHvS1CZTmbzUAXvVwn3KzdGFsSqDaHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T13:06:14.370788Z"},"content_sha256":"8ca4ca6d91944a4fe93fa3896567c188c4bb9c6cab7c6b6f89c10b87963b0fe8","schema_version":"1.0","event_id":"sha256:8ca4ca6d91944a4fe93fa3896567c188c4bb9c6cab7c6b6f89c10b87963b0fe8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:XJ73OSRGPQI53EO6A62T2XIO2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DCDChain: A Credible Architecture of Digital Copyright Detection Based on Blockchain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Tianjiao Ni, Yuting Wang, Zhili Chen","submitted_at":"2020-10-03T00:24:50Z","abstract_excerpt":"Copyright detection is an effective method to prevent piracy. However, untrustworthy detection parties may lead to falsified detection results. Due to its credibility and tamper resistance, blockchain has been applied to copyright protection. Previous works mainly utilized blockchain for reliable copyright information storage or copyrighted digital media trading. As far as we know, the problem of credible copyright detection has not been addressed. In this paper, we propose a credible copyright detection architecture based on the blockchain, called DCDChain. In this architecture, the detection"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.01235","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/2010.01235/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":"2026-07-05T04:51:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3kSOHK6PE/+a0AJmL2wQ6Uua7kLGDODjMuWmf+rgjUUueKiLQQsR8oG4L6o+TM+2yTVfXfnrmCxOklsC3ERfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T13:06:14.371126Z"},"content_sha256":"ea90dd190e80d7bcb7bd44d9147a5e8413cd66bf8a2a8e0a7eed4e276e9a4ee6","schema_version":"1.0","event_id":"sha256:ea90dd190e80d7bcb7bd44d9147a5e8413cd66bf8a2a8e0a7eed4e276e9a4ee6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XJ73OSRGPQI53EO6A62T2XIO2X/bundle.json","state_url":"https://pith.science/pith/XJ73OSRGPQI53EO6A62T2XIO2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XJ73OSRGPQI53EO6A62T2XIO2X/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":"2026-08-11T13:06:14Z","links":{"resolver":"https://pith.science/pith/XJ73OSRGPQI53EO6A62T2XIO2X","bundle":"https://pith.science/pith/XJ73OSRGPQI53EO6A62T2XIO2X/bundle.json","state":"https://pith.science/pith/XJ73OSRGPQI53EO6A62T2XIO2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XJ73OSRGPQI53EO6A62T2XIO2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:XJ73OSRGPQI53EO6A62T2XIO2X","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":"c97bbcb5090b458c693805bd34d8ab870d30f9ce2e31d65f3fcaba706d4ee3a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2020-10-03T00:24:50Z","title_canon_sha256":"281c67d7344b47b83b48be8bb34424c0033e0a537982e8a460d101b8025ff262"},"schema_version":"1.0","source":{"id":"2010.01235","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.01235","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"arxiv_version","alias_value":"2010.01235v2","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.01235","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"pith_short_12","alias_value":"XJ73OSRGPQI5","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"pith_short_16","alias_value":"XJ73OSRGPQI53EO6","created_at":"2026-07-05T04:51:04Z"},{"alias_kind":"pith_short_8","alias_value":"XJ73OSRG","created_at":"2026-07-05T04:51:04Z"}],"graph_snapshots":[{"event_id":"sha256:ea90dd190e80d7bcb7bd44d9147a5e8413cd66bf8a2a8e0a7eed4e276e9a4ee6","target":"graph","created_at":"2026-07-05T04:51:04Z","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/2010.01235/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Copyright detection is an effective method to prevent piracy. However, untrustworthy detection parties may lead to falsified detection results. Due to its credibility and tamper resistance, blockchain has been applied to copyright protection. Previous works mainly utilized blockchain for reliable copyright information storage or copyrighted digital media trading. As far as we know, the problem of credible copyright detection has not been addressed. In this paper, we propose a credible copyright detection architecture based on the blockchain, called DCDChain. In this architecture, the detection","authors_text":"Tianjiao Ni, Yuting Wang, Zhili Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2020-10-03T00:24:50Z","title":"DCDChain: A Credible Architecture of Digital Copyright Detection Based on Blockchain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.01235","kind":"arxiv","version":2},"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":"sha256:8ca4ca6d91944a4fe93fa3896567c188c4bb9c6cab7c6b6f89c10b87963b0fe8","target":"record","created_at":"2026-07-05T04:51:04Z","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":"c97bbcb5090b458c693805bd34d8ab870d30f9ce2e31d65f3fcaba706d4ee3a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2020-10-03T00:24:50Z","title_canon_sha256":"281c67d7344b47b83b48be8bb34424c0033e0a537982e8a460d101b8025ff262"},"schema_version":"1.0","source":{"id":"2010.01235","kind":"arxiv","version":2}},"canonical_sha256":"ba7fb74a267c11dd91de07b53d5d0ed5e415faa1e7cba4591b71561daed89c0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba7fb74a267c11dd91de07b53d5d0ed5e415faa1e7cba4591b71561daed89c0c","first_computed_at":"2026-07-05T04:51:04.119062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:51:04.119062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z9aEyTYDeQYnT+hH3hRh757nN6m+w5rOqDdA2SJMvUGlo3kZ4M2wgNi4NyTfJ/0zHrwaQ0wfpclXrOxz8F45CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:51:04.119448Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.01235","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ca4ca6d91944a4fe93fa3896567c188c4bb9c6cab7c6b6f89c10b87963b0fe8","sha256:ea90dd190e80d7bcb7bd44d9147a5e8413cd66bf8a2a8e0a7eed4e276e9a4ee6"],"state_sha256":"f891d3e6e6dc74dbed117f17cac2e2f079acd9fa06ee36865d9a863d9798579a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tZ3jlvd/FeO3L5x86dNdIfV0DLt/fa1KG3zDwokt4u6Se5hzhXZPMt+ZeudBjtP/3Y14z491jn2kDzIKZq91Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T13:06:14.374806Z","bundle_sha256":"5b96c7a5b5447f454e0403d32bc87a6efcb4dab52b9ecc820e79f51b795e3c88"}}