{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:2ZNICQHXIIX2BFGXDYSHNB2OHO","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":"6405ed396451c0aedcd6ee50b75e6a92d3a498e830e3817320b82b01046e7243","cross_cats_sorted":[],"license":"","primary_cat":"cs.CL","submitted_at":"2000-07-13T18:26:38Z","title_canon_sha256":"4d4370fe95966dc1dc4adb06942e1e553df34a991ff1e464d641aa01553aabed"},"schema_version":"1.0","source":{"id":"cs/0007022","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cs/0007022","created_at":"2026-07-04T14:24:03Z"},{"alias_kind":"arxiv_version","alias_value":"cs/0007022v1","created_at":"2026-07-04T14:24:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cs/0007022","created_at":"2026-07-04T14:24:03Z"},{"alias_kind":"pith_short_12","alias_value":"2ZNICQHXIIX2","created_at":"2026-07-04T14:24:03Z"},{"alias_kind":"pith_short_16","alias_value":"2ZNICQHXIIX2BFGX","created_at":"2026-07-04T14:24:03Z"},{"alias_kind":"pith_short_8","alias_value":"2ZNICQHX","created_at":"2026-07-04T14:24:03Z"}],"graph_snapshots":[{"event_id":"sha256:ac709c02fb5fac28f423f30b4290f7b4e55c2219cc9a85eb631d053b25eb80a2","target":"graph","created_at":"2026-07-04T14:24:03Z","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/cs/0007022/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe a formal model for annotating linguistic artifacts, from which we derive an application programming interface (API) to a suite of tools for manipulating these annotations. The abstract logical model provides for a range of storage formats and promotes the reuse of tools that interact through this API. We focus first on ``Annotation Graphs,'' a graph model for annotations on linear signals (such as text and speech) indexed by intervals, for which efficient database storage and querying techniques are applicable. We note how a wide range of existing annotated corpora can be mapped to","authors_text":"Christophe Laprun, David Day, John Garofolo, John Henderson, Mark Liberman, Steven Bird","cross_cats":[],"headline":"","license":"","primary_cat":"cs.CL","submitted_at":"2000-07-13T18:26:38Z","title":"ATLAS: A flexible and extensible architecture for linguistic annotation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cs/0007022","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":"sha256:8777148c51f6a2e409715e90bf3acb1c5453900f9ae9666e8bcad09830e36b2b","target":"record","created_at":"2026-07-04T14:24:03Z","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":"6405ed396451c0aedcd6ee50b75e6a92d3a498e830e3817320b82b01046e7243","cross_cats_sorted":[],"license":"","primary_cat":"cs.CL","submitted_at":"2000-07-13T18:26:38Z","title_canon_sha256":"4d4370fe95966dc1dc4adb06942e1e553df34a991ff1e464d641aa01553aabed"},"schema_version":"1.0","source":{"id":"cs/0007022","kind":"arxiv","version":1}},"canonical_sha256":"d65a8140f7422fa094d71e2476874e3b923c71aa853c27ff82c275b194ca0aae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d65a8140f7422fa094d71e2476874e3b923c71aa853c27ff82c275b194ca0aae","first_computed_at":"2026-07-04T14:24:03.549259Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:24:03.549259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7HLJVs4rk8y52sGr/XpayZ8YYkUEODm9N2QGGBDxh+BkByotpN5G71Um1jb9dMJSF2dDQrui/BzbIGLPggt1DA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:24:03.549663Z","signed_message":"canonical_sha256_bytes"},"source_id":"cs/0007022","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8777148c51f6a2e409715e90bf3acb1c5453900f9ae9666e8bcad09830e36b2b","sha256:ac709c02fb5fac28f423f30b4290f7b4e55c2219cc9a85eb631d053b25eb80a2"],"state_sha256":"abd353c63c72da46aa25e493e0c4deed343055cdd394ad95a5c339a89dc26f57"}