{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:SIOLDEICVCWZPP54CFEBNGN2MP","short_pith_number":"pith:SIOLDEIC","canonical_record":{"source":{"id":"2402.04505","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-02-07T01:18:55Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"d9908c4d2abe7dd6acbb28cf251b10952c01d4467746d5a2213c183116e57d35","abstract_canon_sha256":"80947bff7e6296648a9f0d93e029e1ca91536094050a7603d0660eea558e255b"},"schema_version":"1.0"},"canonical_sha256":"921cb19102a8ad97bfbc11481699ba63d1e92c32534d35fc109d881742a59141","source":{"kind":"arxiv","id":"2402.04505","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.04505","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"arxiv_version","alias_value":"2402.04505v2","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.04505","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"pith_short_12","alias_value":"SIOLDEICVCWZ","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"pith_short_16","alias_value":"SIOLDEICVCWZPP54","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"pith_short_8","alias_value":"SIOLDEIC","created_at":"2026-07-05T09:13:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:SIOLDEICVCWZPP54CFEBNGN2MP","target":"record","payload":{"canonical_record":{"source":{"id":"2402.04505","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-02-07T01:18:55Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"d9908c4d2abe7dd6acbb28cf251b10952c01d4467746d5a2213c183116e57d35","abstract_canon_sha256":"80947bff7e6296648a9f0d93e029e1ca91536094050a7603d0660eea558e255b"},"schema_version":"1.0"},"canonical_sha256":"921cb19102a8ad97bfbc11481699ba63d1e92c32534d35fc109d881742a59141","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:13:49.615782Z","signature_b64":"St6vlKe4cxrIw3UgXfniTdeIp2XBRKYZoyVyMZ0MQqJGJkYQig9I2fssXMkM1JrFFteIBR5wCGoN24393WeSAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"921cb19102a8ad97bfbc11481699ba63d1e92c32534d35fc109d881742a59141","last_reissued_at":"2026-07-05T09:13:49.615329Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:13:49.615329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.04505","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":"2026-07-05T09:13:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Mdt1srR6Hi/+4FZyjnyWGqNP7TSj/QQFkJTRtO69XTng7fL3nmvL/NWNSeX0+oIr8UKQKymEfNT/zxdgOEgBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T09:00:39.599274Z"},"content_sha256":"ac4d65abff87eab1933c0444784561dfc58452814827d8580e3604d08e94ad07","schema_version":"1.0","event_id":"sha256:ac4d65abff87eab1933c0444784561dfc58452814827d8580e3604d08e94ad07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:SIOLDEICVCWZPP54CFEBNGN2MP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Developments in Sheaf-Theoretic Models of Natural Language Ambiguities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cs.CL","authors_text":"Kin Ian Lo, Mehrnoosh Sadrzadeh, Shane Mansfield","submitted_at":"2024-02-07T01:18:55Z","abstract_excerpt":"Sheaves are mathematical objects consisting of a base which constitutes a topological space and the data associated with each open set thereof, e.g. continuous functions defined on the open sets. Sheaves have originally been used in algebraic topology and logic. Recently, they have also modelled events such as physical experiments and natural language disambiguation processes. We extend the latter models from lexical ambiguities to discourse ambiguities arising from anaphora. To begin, we calculated a new measure of contextuality for a dataset of basic anaphoric discourses, resulting in a high"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.04505","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/2402.04505/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":"2026-07-05T09:13:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IgIWHFJipmNytP01R8wJmLGAERAEkMiipcmIGeDSjDHyoUzXeM8I3Np5bpQOjXb0avCtITKqlL+FCO6Gf5G7BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T09:00:39.599664Z"},"content_sha256":"051af20a3c3f64a9a4e664967bc2a58467d01017020e5df9540c6a422f3f71a2","schema_version":"1.0","event_id":"sha256:051af20a3c3f64a9a4e664967bc2a58467d01017020e5df9540c6a422f3f71a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SIOLDEICVCWZPP54CFEBNGN2MP/bundle.json","state_url":"https://pith.science/pith/SIOLDEICVCWZPP54CFEBNGN2MP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SIOLDEICVCWZPP54CFEBNGN2MP/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":"2026-07-10T09:00:39Z","links":{"resolver":"https://pith.science/pith/SIOLDEICVCWZPP54CFEBNGN2MP","bundle":"https://pith.science/pith/SIOLDEICVCWZPP54CFEBNGN2MP/bundle.json","state":"https://pith.science/pith/SIOLDEICVCWZPP54CFEBNGN2MP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SIOLDEICVCWZPP54CFEBNGN2MP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:SIOLDEICVCWZPP54CFEBNGN2MP","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":"80947bff7e6296648a9f0d93e029e1ca91536094050a7603d0660eea558e255b","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-02-07T01:18:55Z","title_canon_sha256":"d9908c4d2abe7dd6acbb28cf251b10952c01d4467746d5a2213c183116e57d35"},"schema_version":"1.0","source":{"id":"2402.04505","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.04505","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"arxiv_version","alias_value":"2402.04505v2","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.04505","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"pith_short_12","alias_value":"SIOLDEICVCWZ","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"pith_short_16","alias_value":"SIOLDEICVCWZPP54","created_at":"2026-07-05T09:13:49Z"},{"alias_kind":"pith_short_8","alias_value":"SIOLDEIC","created_at":"2026-07-05T09:13:49Z"}],"graph_snapshots":[{"event_id":"sha256:051af20a3c3f64a9a4e664967bc2a58467d01017020e5df9540c6a422f3f71a2","target":"graph","created_at":"2026-07-05T09:13:49Z","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/2402.04505/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Sheaves are mathematical objects consisting of a base which constitutes a topological space and the data associated with each open set thereof, e.g. continuous functions defined on the open sets. Sheaves have originally been used in algebraic topology and logic. Recently, they have also modelled events such as physical experiments and natural language disambiguation processes. We extend the latter models from lexical ambiguities to discourse ambiguities arising from anaphora. To begin, we calculated a new measure of contextuality for a dataset of basic anaphoric discourses, resulting in a high","authors_text":"Kin Ian Lo, Mehrnoosh Sadrzadeh, Shane Mansfield","cross_cats":["quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-02-07T01:18:55Z","title":"Developments in Sheaf-Theoretic Models of Natural Language Ambiguities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.04505","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:ac4d65abff87eab1933c0444784561dfc58452814827d8580e3604d08e94ad07","target":"record","created_at":"2026-07-05T09:13:49Z","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":"80947bff7e6296648a9f0d93e029e1ca91536094050a7603d0660eea558e255b","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-02-07T01:18:55Z","title_canon_sha256":"d9908c4d2abe7dd6acbb28cf251b10952c01d4467746d5a2213c183116e57d35"},"schema_version":"1.0","source":{"id":"2402.04505","kind":"arxiv","version":2}},"canonical_sha256":"921cb19102a8ad97bfbc11481699ba63d1e92c32534d35fc109d881742a59141","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"921cb19102a8ad97bfbc11481699ba63d1e92c32534d35fc109d881742a59141","first_computed_at":"2026-07-05T09:13:49.615329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:13:49.615329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"St6vlKe4cxrIw3UgXfniTdeIp2XBRKYZoyVyMZ0MQqJGJkYQig9I2fssXMkM1JrFFteIBR5wCGoN24393WeSAA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:13:49.615782Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.04505","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac4d65abff87eab1933c0444784561dfc58452814827d8580e3604d08e94ad07","sha256:051af20a3c3f64a9a4e664967bc2a58467d01017020e5df9540c6a422f3f71a2"],"state_sha256":"3a398f536c8b0dbcdc5f3d36d1c83da94f0c856842c056107386463095f180a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ghu/ahhjugLlknGOWLr+RAuINPFI5Qx96g1e/qjqxoQ311VcMeMA1fLm4ad14SzbQAmAayZA0TEnWo4pq7BECw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T09:00:39.601999Z","bundle_sha256":"f3261d2c85a85c6b64f893a0299f22117bf3812528085efbd4783adecabb678f"}}