{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:KYLQVLJP2LFIUT2H4H4UVI4UEE","short_pith_number":"pith:KYLQVLJP","canonical_record":{"source":{"id":"1106.5178","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2011-06-25T22:55:17Z","cross_cats_sorted":[],"title_canon_sha256":"89c5baff76a717d97eedda98796f53cfedd293a654a43e977cac9dab5ed58cc2","abstract_canon_sha256":"e795cd8dfd158656cbdb445ca20680688610d259ffe825b4c33bb3000cbade79"},"schema_version":"1.0"},"canonical_sha256":"56170aad2fd2ca8a4f47e1f94aa39421214f3a808b9620523c2ce1f1ebd2eeb5","source":{"kind":"arxiv","id":"1106.5178","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.5178","created_at":"2026-05-18T04:19:14Z"},{"alias_kind":"arxiv_version","alias_value":"1106.5178v1","created_at":"2026-05-18T04:19:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.5178","created_at":"2026-05-18T04:19:14Z"},{"alias_kind":"pith_short_12","alias_value":"KYLQVLJP2LFI","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"KYLQVLJP2LFIUT2H","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"KYLQVLJP","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:KYLQVLJP2LFIUT2H4H4UVI4UEE","target":"record","payload":{"canonical_record":{"source":{"id":"1106.5178","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2011-06-25T22:55:17Z","cross_cats_sorted":[],"title_canon_sha256":"89c5baff76a717d97eedda98796f53cfedd293a654a43e977cac9dab5ed58cc2","abstract_canon_sha256":"e795cd8dfd158656cbdb445ca20680688610d259ffe825b4c33bb3000cbade79"},"schema_version":"1.0"},"canonical_sha256":"56170aad2fd2ca8a4f47e1f94aa39421214f3a808b9620523c2ce1f1ebd2eeb5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:14.125079Z","signature_b64":"VW5hvfyK6GyYzpXEMVw+6GbF5impH7O4SkfWgLQ/pLqVFHqTYqBNjeA4nMPWEyOy/fB7eXzOg830KTAdg4tBDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56170aad2fd2ca8a4f47e1f94aa39421214f3a808b9620523c2ce1f1ebd2eeb5","last_reissued_at":"2026-05-18T04:19:14.124667Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:14.124667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.5178","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":"2026-05-18T04:19:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4FFjtctg8iSZxh9MGv7PZuVesvLlMXc6eBCG56K51CpN65DTcqdo4VFzJ6lQetGqJIZRZydKUte7LEKCRK3LDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:22:20.015980Z"},"content_sha256":"3a064f35b117383a46c059f26c1e5e02a8abb67ecc557e7b14b01e5b4ff3a1dc","schema_version":"1.0","event_id":"sha256:3a064f35b117383a46c059f26c1e5e02a8abb67ecc557e7b14b01e5b4ff3a1dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:KYLQVLJP2LFIUT2H4H4UVI4UEE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Open Annotation Collaboration (OAC) Model","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Bernhard Haslhofer, Herbert Van de Sompel, Rainer Simon, Robert Sanderson","submitted_at":"2011-06-25T22:55:17Z","abstract_excerpt":"Annotations allow users to associate additional information with existing resources. Using proprietary and closed systems on the Web, users are already able to annotate multimedia resources such as images, audio and video. So far, however, this information is almost always kept locked up and inaccessible to the Web of Data. We believe that an important step to take is the integration of multimedia annotations and the Linked Data principles. This should allow clients to easily publish and consume, thus exchange annotations about resources via common Web standards. We first present the current s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.5178","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":"2026-05-18T04:19:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dlsUpxHuJBPLVFwKXG9WljkRnqU11Y7oEAvHfvcZtcUvLWmI2gCOC00q5PYp88OpUDiJqv17LWftVbTkCge8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:22:20.016346Z"},"content_sha256":"056acb0805fc8aacba0264d42bf57aa9ed5c14bfbbb1f7f90489d74f6a7dec38","schema_version":"1.0","event_id":"sha256:056acb0805fc8aacba0264d42bf57aa9ed5c14bfbbb1f7f90489d74f6a7dec38"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KYLQVLJP2LFIUT2H4H4UVI4UEE/bundle.json","state_url":"https://pith.science/pith/KYLQVLJP2LFIUT2H4H4UVI4UEE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KYLQVLJP2LFIUT2H4H4UVI4UEE/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":"2026-06-01T22:22:20Z","links":{"resolver":"https://pith.science/pith/KYLQVLJP2LFIUT2H4H4UVI4UEE","bundle":"https://pith.science/pith/KYLQVLJP2LFIUT2H4H4UVI4UEE/bundle.json","state":"https://pith.science/pith/KYLQVLJP2LFIUT2H4H4UVI4UEE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KYLQVLJP2LFIUT2H4H4UVI4UEE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:KYLQVLJP2LFIUT2H4H4UVI4UEE","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":"e795cd8dfd158656cbdb445ca20680688610d259ffe825b4c33bb3000cbade79","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2011-06-25T22:55:17Z","title_canon_sha256":"89c5baff76a717d97eedda98796f53cfedd293a654a43e977cac9dab5ed58cc2"},"schema_version":"1.0","source":{"id":"1106.5178","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.5178","created_at":"2026-05-18T04:19:14Z"},{"alias_kind":"arxiv_version","alias_value":"1106.5178v1","created_at":"2026-05-18T04:19:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.5178","created_at":"2026-05-18T04:19:14Z"},{"alias_kind":"pith_short_12","alias_value":"KYLQVLJP2LFI","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"KYLQVLJP2LFIUT2H","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"KYLQVLJP","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:056acb0805fc8aacba0264d42bf57aa9ed5c14bfbbb1f7f90489d74f6a7dec38","target":"graph","created_at":"2026-05-18T04:19:14Z","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":"Annotations allow users to associate additional information with existing resources. Using proprietary and closed systems on the Web, users are already able to annotate multimedia resources such as images, audio and video. So far, however, this information is almost always kept locked up and inaccessible to the Web of Data. We believe that an important step to take is the integration of multimedia annotations and the Linked Data principles. This should allow clients to easily publish and consume, thus exchange annotations about resources via common Web standards. We first present the current s","authors_text":"Bernhard Haslhofer, Herbert Van de Sompel, Rainer Simon, Robert Sanderson","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2011-06-25T22:55:17Z","title":"The Open Annotation Collaboration (OAC) Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.5178","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":"sha256:3a064f35b117383a46c059f26c1e5e02a8abb67ecc557e7b14b01e5b4ff3a1dc","target":"record","created_at":"2026-05-18T04:19:14Z","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":"e795cd8dfd158656cbdb445ca20680688610d259ffe825b4c33bb3000cbade79","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2011-06-25T22:55:17Z","title_canon_sha256":"89c5baff76a717d97eedda98796f53cfedd293a654a43e977cac9dab5ed58cc2"},"schema_version":"1.0","source":{"id":"1106.5178","kind":"arxiv","version":1}},"canonical_sha256":"56170aad2fd2ca8a4f47e1f94aa39421214f3a808b9620523c2ce1f1ebd2eeb5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56170aad2fd2ca8a4f47e1f94aa39421214f3a808b9620523c2ce1f1ebd2eeb5","first_computed_at":"2026-05-18T04:19:14.124667Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:14.124667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VW5hvfyK6GyYzpXEMVw+6GbF5impH7O4SkfWgLQ/pLqVFHqTYqBNjeA4nMPWEyOy/fB7eXzOg830KTAdg4tBDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:14.125079Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.5178","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a064f35b117383a46c059f26c1e5e02a8abb67ecc557e7b14b01e5b4ff3a1dc","sha256:056acb0805fc8aacba0264d42bf57aa9ed5c14bfbbb1f7f90489d74f6a7dec38"],"state_sha256":"3a5bd4f41cdd7d6b6b1e6be932ee28452551cd091db8031a023dba0119b3a64f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bSLpAq/ijWDBbj67DVb14jnijsB+4Zz9D6JW97h5kX3m2z0aYEn/OzwB8nP/goybtqtog3T2hryzn186yNphBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T22:22:20.018645Z","bundle_sha256":"823f93fcb1b883a117e16bc3eb11dfacc0ddde4c4793f7137cae911c3ae49003"}}