{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:XUBMEFVS6VINFK6Q7NHGIICQK5","short_pith_number":"pith:XUBMEFVS","canonical_record":{"source":{"id":"1110.3687","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2011-10-17T14:55:48Z","cross_cats_sorted":[],"title_canon_sha256":"d5948b1af92e1c7ae96d8f1206b889f8643add973962958ba2a601e94a7c7363","abstract_canon_sha256":"1855b9971e5571b4662a13b453dcd896f19fcfde3556078c097693f9ccb0f0d2"},"schema_version":"1.0"},"canonical_sha256":"bd02c216b2f550d2abd0fb4e6420505749d612466fd43a54323c5df0db019847","source":{"kind":"arxiv","id":"1110.3687","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.3687","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"arxiv_version","alias_value":"1110.3687v1","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3687","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"pith_short_12","alias_value":"XUBMEFVS6VIN","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"XUBMEFVS6VINFK6Q","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"XUBMEFVS","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:XUBMEFVS6VINFK6Q7NHGIICQK5","target":"record","payload":{"canonical_record":{"source":{"id":"1110.3687","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2011-10-17T14:55:48Z","cross_cats_sorted":[],"title_canon_sha256":"d5948b1af92e1c7ae96d8f1206b889f8643add973962958ba2a601e94a7c7363","abstract_canon_sha256":"1855b9971e5571b4662a13b453dcd896f19fcfde3556078c097693f9ccb0f0d2"},"schema_version":"1.0"},"canonical_sha256":"bd02c216b2f550d2abd0fb4e6420505749d612466fd43a54323c5df0db019847","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:10:48.705475Z","signature_b64":"bwMU1qQCanovmrfjmQQJHWeQskg+knkm4aWdaHmk58j1vvRP6/QQklSag4ONadxjFfa5maorPPXddiCPR3hjCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd02c216b2f550d2abd0fb4e6420505749d612466fd43a54323c5df0db019847","last_reissued_at":"2026-05-18T04:10:48.704839Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:10:48.704839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.3687","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":"2026-05-18T04:10:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HWQXIZjD6AzyDCfoPOdObXxtGw7wGY9FFrgXIUoB7RHifMlHp0xdqVe+48rTrXc5D6s1k4eZNClYkVGuDG2XAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:01:30.500109Z"},"content_sha256":"4039a25a66de4220287d4e5b1d521e01527a9e85805b98c3195f9a49c09b431e","schema_version":"1.0","event_id":"sha256:4039a25a66de4220287d4e5b1d521e01527a9e85805b98c3195f9a49c09b431e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:XUBMEFVS6VINFK6Q7NHGIICQK5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluating the SharedCanvas Manuscript Data Model in CATCHPlus","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Benjamin Albritton, Hennie Brugman, Herbert Van de Sompel, Robert Sanderson","submitted_at":"2011-10-17T14:55:48Z","abstract_excerpt":"In this paper, we present the SharedCanvas model for describing the layout of culturally important, hand-written objects such as medieval manuscripts, which is intended to be used as a common input format to presentation interfaces. The model is evaluated using two collections from CATCHPlus not consulted during the design phase, each with their own complex requirements, in order to determine if further development is required or if the model is ready for general usage. The model is applied to the new collections, revealing several new areas of concern for user interface production and discove"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3687","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":"2026-05-18T04:10:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ItHedUmLYTLsbprPBqLuJeS8rM7KYT8umcH0Xd9ROylPNYz00yVtL1KVHQ5dxZ4dXOIqLHAPQmtPAElQ3RqJAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:01:30.500480Z"},"content_sha256":"01539e8b14afdb3fa4dcba4fd2d092acb22aac2b9cc51b710d7035f07629a5a9","schema_version":"1.0","event_id":"sha256:01539e8b14afdb3fa4dcba4fd2d092acb22aac2b9cc51b710d7035f07629a5a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XUBMEFVS6VINFK6Q7NHGIICQK5/bundle.json","state_url":"https://pith.science/pith/XUBMEFVS6VINFK6Q7NHGIICQK5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XUBMEFVS6VINFK6Q7NHGIICQK5/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":"2026-06-02T06:01:30Z","links":{"resolver":"https://pith.science/pith/XUBMEFVS6VINFK6Q7NHGIICQK5","bundle":"https://pith.science/pith/XUBMEFVS6VINFK6Q7NHGIICQK5/bundle.json","state":"https://pith.science/pith/XUBMEFVS6VINFK6Q7NHGIICQK5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XUBMEFVS6VINFK6Q7NHGIICQK5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:XUBMEFVS6VINFK6Q7NHGIICQK5","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":"1855b9971e5571b4662a13b453dcd896f19fcfde3556078c097693f9ccb0f0d2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2011-10-17T14:55:48Z","title_canon_sha256":"d5948b1af92e1c7ae96d8f1206b889f8643add973962958ba2a601e94a7c7363"},"schema_version":"1.0","source":{"id":"1110.3687","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.3687","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"arxiv_version","alias_value":"1110.3687v1","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3687","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"pith_short_12","alias_value":"XUBMEFVS6VIN","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"XUBMEFVS6VINFK6Q","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"XUBMEFVS","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:01539e8b14afdb3fa4dcba4fd2d092acb22aac2b9cc51b710d7035f07629a5a9","target":"graph","created_at":"2026-05-18T04:10:48Z","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":"In this paper, we present the SharedCanvas model for describing the layout of culturally important, hand-written objects such as medieval manuscripts, which is intended to be used as a common input format to presentation interfaces. The model is evaluated using two collections from CATCHPlus not consulted during the design phase, each with their own complex requirements, in order to determine if further development is required or if the model is ready for general usage. The model is applied to the new collections, revealing several new areas of concern for user interface production and discove","authors_text":"Benjamin Albritton, Hennie Brugman, Herbert Van de Sompel, Robert Sanderson","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2011-10-17T14:55:48Z","title":"Evaluating the SharedCanvas Manuscript Data Model in CATCHPlus"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3687","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":"sha256:4039a25a66de4220287d4e5b1d521e01527a9e85805b98c3195f9a49c09b431e","target":"record","created_at":"2026-05-18T04:10:48Z","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":"1855b9971e5571b4662a13b453dcd896f19fcfde3556078c097693f9ccb0f0d2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2011-10-17T14:55:48Z","title_canon_sha256":"d5948b1af92e1c7ae96d8f1206b889f8643add973962958ba2a601e94a7c7363"},"schema_version":"1.0","source":{"id":"1110.3687","kind":"arxiv","version":1}},"canonical_sha256":"bd02c216b2f550d2abd0fb4e6420505749d612466fd43a54323c5df0db019847","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd02c216b2f550d2abd0fb4e6420505749d612466fd43a54323c5df0db019847","first_computed_at":"2026-05-18T04:10:48.704839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:10:48.704839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bwMU1qQCanovmrfjmQQJHWeQskg+knkm4aWdaHmk58j1vvRP6/QQklSag4ONadxjFfa5maorPPXddiCPR3hjCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:10:48.705475Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.3687","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4039a25a66de4220287d4e5b1d521e01527a9e85805b98c3195f9a49c09b431e","sha256:01539e8b14afdb3fa4dcba4fd2d092acb22aac2b9cc51b710d7035f07629a5a9"],"state_sha256":"4684fe0691c848fbfd5528fe03f945dcc29743995dbce821f069fe1ecb9e1ca0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2AKA8ZPepta8YjNMbVVZ/CGGzn0sg5f8iARjg3Yr0FrdTvpf4ob4Ba2VquTjhQu/Cig+wP/WaOGdU3wVWojaAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:01:30.502718Z","bundle_sha256":"9f05874dd4cafccff4ed7f7e37bb2628a52727bd6b7a8d698fca77604a688255"}}