{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4CCMO4M4KPCZ3KBD6F5N7CY5ID","short_pith_number":"pith:4CCMO4M4","canonical_record":{"source":{"id":"1804.07828","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-20T21:10:21Z","cross_cats_sorted":[],"title_canon_sha256":"a77b154c509dc6057b19613d576cfabe4f38473442cb442b79c7b6b77a73faf8","abstract_canon_sha256":"9b8d1a3f245b572d782bdea78dc4c0a9fee7aa3b2efd9ae5e3e0f5a775c74ce5"},"schema_version":"1.0"},"canonical_sha256":"e084c7719c53c59da823f17adf8b1d40c2ae39c605922ddc0de8f8c800d85d0c","source":{"kind":"arxiv","id":"1804.07828","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07828","created_at":"2026-05-18T00:16:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07828v2","created_at":"2026-05-18T00:16:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07828","created_at":"2026-05-18T00:16:07Z"},{"alias_kind":"pith_short_12","alias_value":"4CCMO4M4KPCZ","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4CCMO4M4KPCZ3KBD","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4CCMO4M4","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4CCMO4M4KPCZ3KBD6F5N7CY5ID","target":"record","payload":{"canonical_record":{"source":{"id":"1804.07828","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-20T21:10:21Z","cross_cats_sorted":[],"title_canon_sha256":"a77b154c509dc6057b19613d576cfabe4f38473442cb442b79c7b6b77a73faf8","abstract_canon_sha256":"9b8d1a3f245b572d782bdea78dc4c0a9fee7aa3b2efd9ae5e3e0f5a775c74ce5"},"schema_version":"1.0"},"canonical_sha256":"e084c7719c53c59da823f17adf8b1d40c2ae39c605922ddc0de8f8c800d85d0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:07.449930Z","signature_b64":"yhye5Y74mx9oaqqwku2Ql7I3x5DP5FXmHKo8RrhuKLmVGtOVclUjJtLoUSvmJRQT8xvvqcvNbCXVM+ga8gdoBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e084c7719c53c59da823f17adf8b1d40c2ae39c605922ddc0de8f8c800d85d0c","last_reissued_at":"2026-05-18T00:16:07.449220Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:07.449220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.07828","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":"2026-05-18T00:16:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F3mRmypdzzFOkqEDkhfhx7zR3bPqkG7ueeU+b1WyqI8ghwFBQfYIxhRt4o8bpCF85L1Oh7JCwePi8ckeq3iBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:48:41.020031Z"},"content_sha256":"9c6acb1b816dc8db20d9d3dfee39c2604ca9ee20d45df20deb965691c85ca366","schema_version":"1.0","event_id":"sha256:9c6acb1b816dc8db20d9d3dfee39c2604ca9ee20d45df20deb965691c85ca366"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4CCMO4M4KPCZ3KBD6F5N7CY5ID","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Multi-Axis Annotation Scheme for Event Temporal Relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Dan Roth, Hao Wu, Qiang Ning","submitted_at":"2018-04-20T21:10:21Z","abstract_excerpt":"Existing temporal relation (TempRel) annotation schemes often have low inter-annotator agreements (IAA) even between experts, suggesting that the current annotation task needs a better definition. This paper proposes a new multi-axis modeling to better capture the temporal structure of events. In addition, we identify that event end-points are a major source of confusion in annotation, so we also propose to annotate TempRels based on start-points only. A pilot expert annotation using the proposed scheme shows significant improvement in IAA from the conventional 60's to 80's (Cohen's Kappa). Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07828","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":""},"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":"2026-05-18T00:16:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ns8gEc8tp/ytJ/g4g6TQnQOUbHdOM+yjgi1y/kXcaYHhgN3ZgtV9hXB5n8P2BYtPpfUOPSy2GJ6zLTIPtGOPBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:48:41.020648Z"},"content_sha256":"3b80b3e3c4359e372044c6819e136504e830b867f527a59a12c67cf6358f775b","schema_version":"1.0","event_id":"sha256:3b80b3e3c4359e372044c6819e136504e830b867f527a59a12c67cf6358f775b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4CCMO4M4KPCZ3KBD6F5N7CY5ID/bundle.json","state_url":"https://pith.science/pith/4CCMO4M4KPCZ3KBD6F5N7CY5ID/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4CCMO4M4KPCZ3KBD6F5N7CY5ID/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":"2026-05-25T18:48:41Z","links":{"resolver":"https://pith.science/pith/4CCMO4M4KPCZ3KBD6F5N7CY5ID","bundle":"https://pith.science/pith/4CCMO4M4KPCZ3KBD6F5N7CY5ID/bundle.json","state":"https://pith.science/pith/4CCMO4M4KPCZ3KBD6F5N7CY5ID/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4CCMO4M4KPCZ3KBD6F5N7CY5ID/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4CCMO4M4KPCZ3KBD6F5N7CY5ID","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":"9b8d1a3f245b572d782bdea78dc4c0a9fee7aa3b2efd9ae5e3e0f5a775c74ce5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-20T21:10:21Z","title_canon_sha256":"a77b154c509dc6057b19613d576cfabe4f38473442cb442b79c7b6b77a73faf8"},"schema_version":"1.0","source":{"id":"1804.07828","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07828","created_at":"2026-05-18T00:16:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07828v2","created_at":"2026-05-18T00:16:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07828","created_at":"2026-05-18T00:16:07Z"},{"alias_kind":"pith_short_12","alias_value":"4CCMO4M4KPCZ","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4CCMO4M4KPCZ3KBD","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4CCMO4M4","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:3b80b3e3c4359e372044c6819e136504e830b867f527a59a12c67cf6358f775b","target":"graph","created_at":"2026-05-18T00:16:07Z","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":"Existing temporal relation (TempRel) annotation schemes often have low inter-annotator agreements (IAA) even between experts, suggesting that the current annotation task needs a better definition. This paper proposes a new multi-axis modeling to better capture the temporal structure of events. In addition, we identify that event end-points are a major source of confusion in annotation, so we also propose to annotate TempRels based on start-points only. A pilot expert annotation using the proposed scheme shows significant improvement in IAA from the conventional 60's to 80's (Cohen's Kappa). Th","authors_text":"Dan Roth, Hao Wu, Qiang Ning","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-20T21:10:21Z","title":"A Multi-Axis Annotation Scheme for Event Temporal Relations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07828","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":"sha256:9c6acb1b816dc8db20d9d3dfee39c2604ca9ee20d45df20deb965691c85ca366","target":"record","created_at":"2026-05-18T00:16:07Z","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":"9b8d1a3f245b572d782bdea78dc4c0a9fee7aa3b2efd9ae5e3e0f5a775c74ce5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-20T21:10:21Z","title_canon_sha256":"a77b154c509dc6057b19613d576cfabe4f38473442cb442b79c7b6b77a73faf8"},"schema_version":"1.0","source":{"id":"1804.07828","kind":"arxiv","version":2}},"canonical_sha256":"e084c7719c53c59da823f17adf8b1d40c2ae39c605922ddc0de8f8c800d85d0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e084c7719c53c59da823f17adf8b1d40c2ae39c605922ddc0de8f8c800d85d0c","first_computed_at":"2026-05-18T00:16:07.449220Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:07.449220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yhye5Y74mx9oaqqwku2Ql7I3x5DP5FXmHKo8RrhuKLmVGtOVclUjJtLoUSvmJRQT8xvvqcvNbCXVM+ga8gdoBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:07.449930Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.07828","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c6acb1b816dc8db20d9d3dfee39c2604ca9ee20d45df20deb965691c85ca366","sha256:3b80b3e3c4359e372044c6819e136504e830b867f527a59a12c67cf6358f775b"],"state_sha256":"2298efd460abf79fb707bd8cd2802cd55e8cfac82ddf9e70a3b965cdace080ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sSS3FZfb48624vRqpaGuq2rJ0VkezWELC7/WWG0CvnDke2ZOQt8pBEEjBwnt3FzlIyiayK1VAD7JeXyBDbNsAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:48:41.023946Z","bundle_sha256":"e5b3f816cc04067272f63f76c5c1806b16a11e589b26601d49b9a1476ff97b42"}}