{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:5HSDXMCETSNW7LLWXAZCFOZVR5","short_pith_number":"pith:5HSDXMCE","canonical_record":{"source":{"id":"1312.1260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2013-12-04T17:54:41Z","cross_cats_sorted":[],"title_canon_sha256":"7cc7bc604a736ada734752f9c2285f16179c3af849905051e4145f1c2c4380d1","abstract_canon_sha256":"e2aa90e2518bc57f01b1d011ff52eda1497dbccfd8e75260e029e55d635e566c"},"schema_version":"1.0"},"canonical_sha256":"e9e43bb0449c9b6fad76b83222bb358f4b9a1c4fdc934fb635b4ed8f63b9dae7","source":{"kind":"arxiv","id":"1312.1260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1260","created_at":"2026-05-18T03:05:28Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1260v1","created_at":"2026-05-18T03:05:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1260","created_at":"2026-05-18T03:05:28Z"},{"alias_kind":"pith_short_12","alias_value":"5HSDXMCETSNW","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5HSDXMCETSNW7LLW","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5HSDXMCE","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:5HSDXMCETSNW7LLWXAZCFOZVR5","target":"record","payload":{"canonical_record":{"source":{"id":"1312.1260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2013-12-04T17:54:41Z","cross_cats_sorted":[],"title_canon_sha256":"7cc7bc604a736ada734752f9c2285f16179c3af849905051e4145f1c2c4380d1","abstract_canon_sha256":"e2aa90e2518bc57f01b1d011ff52eda1497dbccfd8e75260e029e55d635e566c"},"schema_version":"1.0"},"canonical_sha256":"e9e43bb0449c9b6fad76b83222bb358f4b9a1c4fdc934fb635b4ed8f63b9dae7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:28.897902Z","signature_b64":"SYim7ul/Ury1pnYgBpJyyXrhTAIItZ6KQfsM9q+soAHjKFUg2zvuhWBw4B58ik5k5gcjQzxgafCMxoqwQqDWBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9e43bb0449c9b6fad76b83222bb358f4b9a1c4fdc934fb635b4ed8f63b9dae7","last_reissued_at":"2026-05-18T03:05:28.897477Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:28.897477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.1260","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":"2026-05-18T03:05:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BRDkzbPSH2I7xtfps7ClZ4Yqi4Eb/zls5WY4Gqq8lCjKom5dnkXdWcee2d197xXETZ114ZowsgtoNjO8qDXYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:01:12.080065Z"},"content_sha256":"61918e778bb5f12ac9a3982df9c26de13421c45f46076e5583a9c2caef36cab9","schema_version":"1.0","event_id":"sha256:61918e778bb5f12ac9a3982df9c26de13421c45f46076e5583a9c2caef36cab9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:5HSDXMCETSNW7LLWXAZCFOZVR5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Policy-Carrying, Policy-Enforcing Digital Objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Carl Lagoze, Sandra Payette","submitted_at":"2013-12-04T17:54:41Z","abstract_excerpt":"We describe the motivation for moving policy enforcement for access control down to the digital object level. The reasons for this include handling of item-specific behaviors, adapting to evolution of digital objects, and permitting objects to move among repositories and portable devices. We then describe our experiments that integrate the Fedora architecture for digital objects and repositories and the PoET implementation of security automata to effect such objectcentric policy enforcement."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1260","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":""},"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":"2026-05-18T03:05:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RtsEZPJBU9gl2e2r4pAG0Ui5HWM1esq+9pq+5N2A9QfinLfVhjCWVNSI8NQeY+cwsFmgVvNUwCOTHlhv+qwzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:01:12.080429Z"},"content_sha256":"a38689a646bee43600811628ae2335170e55b0de04b7b777ab54aea24f6c4b6a","schema_version":"1.0","event_id":"sha256:a38689a646bee43600811628ae2335170e55b0de04b7b777ab54aea24f6c4b6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5HSDXMCETSNW7LLWXAZCFOZVR5/bundle.json","state_url":"https://pith.science/pith/5HSDXMCETSNW7LLWXAZCFOZVR5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5HSDXMCETSNW7LLWXAZCFOZVR5/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":"2026-06-02T10:01:12Z","links":{"resolver":"https://pith.science/pith/5HSDXMCETSNW7LLWXAZCFOZVR5","bundle":"https://pith.science/pith/5HSDXMCETSNW7LLWXAZCFOZVR5/bundle.json","state":"https://pith.science/pith/5HSDXMCETSNW7LLWXAZCFOZVR5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5HSDXMCETSNW7LLWXAZCFOZVR5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:5HSDXMCETSNW7LLWXAZCFOZVR5","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":"e2aa90e2518bc57f01b1d011ff52eda1497dbccfd8e75260e029e55d635e566c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2013-12-04T17:54:41Z","title_canon_sha256":"7cc7bc604a736ada734752f9c2285f16179c3af849905051e4145f1c2c4380d1"},"schema_version":"1.0","source":{"id":"1312.1260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1260","created_at":"2026-05-18T03:05:28Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1260v1","created_at":"2026-05-18T03:05:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1260","created_at":"2026-05-18T03:05:28Z"},{"alias_kind":"pith_short_12","alias_value":"5HSDXMCETSNW","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5HSDXMCETSNW7LLW","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5HSDXMCE","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:a38689a646bee43600811628ae2335170e55b0de04b7b777ab54aea24f6c4b6a","target":"graph","created_at":"2026-05-18T03:05:28Z","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"},"paper":{"abstract_excerpt":"We describe the motivation for moving policy enforcement for access control down to the digital object level. The reasons for this include handling of item-specific behaviors, adapting to evolution of digital objects, and permitting objects to move among repositories and portable devices. We then describe our experiments that integrate the Fedora architecture for digital objects and repositories and the PoET implementation of security automata to effect such objectcentric policy enforcement.","authors_text":"Carl Lagoze, Sandra Payette","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2013-12-04T17:54:41Z","title":"Policy-Carrying, Policy-Enforcing Digital Objects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1260","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":"sha256:61918e778bb5f12ac9a3982df9c26de13421c45f46076e5583a9c2caef36cab9","target":"record","created_at":"2026-05-18T03:05:28Z","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":"e2aa90e2518bc57f01b1d011ff52eda1497dbccfd8e75260e029e55d635e566c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2013-12-04T17:54:41Z","title_canon_sha256":"7cc7bc604a736ada734752f9c2285f16179c3af849905051e4145f1c2c4380d1"},"schema_version":"1.0","source":{"id":"1312.1260","kind":"arxiv","version":1}},"canonical_sha256":"e9e43bb0449c9b6fad76b83222bb358f4b9a1c4fdc934fb635b4ed8f63b9dae7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9e43bb0449c9b6fad76b83222bb358f4b9a1c4fdc934fb635b4ed8f63b9dae7","first_computed_at":"2026-05-18T03:05:28.897477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:28.897477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SYim7ul/Ury1pnYgBpJyyXrhTAIItZ6KQfsM9q+soAHjKFUg2zvuhWBw4B58ik5k5gcjQzxgafCMxoqwQqDWBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:28.897902Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.1260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61918e778bb5f12ac9a3982df9c26de13421c45f46076e5583a9c2caef36cab9","sha256:a38689a646bee43600811628ae2335170e55b0de04b7b777ab54aea24f6c4b6a"],"state_sha256":"702805e6b15b6018ca7e565f3fc15218ab64f7d75f3fcd8ed3846fd667ad080c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QuZ54TU/eMvBKXfGfEwegVP8MPjBxel6LiWmKw6D43RfEdlpUj6F6UrxmdMcpeJBxCuG2PR8NnNfRPL3vim5Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T10:01:12.082352Z","bundle_sha256":"129d215905e7a8bf20e335b3ae45353b8b6d78b9accea6bd45a716f949357d7e"}}