{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ONWXUX7R3N6DV6BNMJXVGS6XET","short_pith_number":"pith:ONWXUX7R","canonical_record":{"source":{"id":"1905.08957","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-05-22T05:32:03Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"e9c53ab44733db8017dcf5c68dc07fa573a24f8223c71f25ffed0bcec91e70e5","abstract_canon_sha256":"09e0f4de129d76b95d93a9215ee24ce06b936206c399a2dd2b70afe4beeacd4d"},"schema_version":"1.0"},"canonical_sha256":"736d7a5ff1db7c3af82d626f534bd724dc5b2f05f83907465e83e6ae4a84c7e1","source":{"kind":"arxiv","id":"1905.08957","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08957","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08957v2","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08957","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"pith_short_12","alias_value":"ONWXUX7R3N6D","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"pith_short_16","alias_value":"ONWXUX7R3N6DV6BN","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"pith_short_8","alias_value":"ONWXUX7R","created_at":"2026-07-04T23:58:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ONWXUX7R3N6DV6BNMJXVGS6XET","target":"record","payload":{"canonical_record":{"source":{"id":"1905.08957","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-05-22T05:32:03Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"e9c53ab44733db8017dcf5c68dc07fa573a24f8223c71f25ffed0bcec91e70e5","abstract_canon_sha256":"09e0f4de129d76b95d93a9215ee24ce06b936206c399a2dd2b70afe4beeacd4d"},"schema_version":"1.0"},"canonical_sha256":"736d7a5ff1db7c3af82d626f534bd724dc5b2f05f83907465e83e6ae4a84c7e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:58:08.726293Z","signature_b64":"HyhG5igDOvri9Xzkevv3bWaBqZO5mVfJRsw69teyEjSLNJevpdPMyp1eBJMSVoynmTOfxflcA/0tMSP6x58bCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"736d7a5ff1db7c3af82d626f534bd724dc5b2f05f83907465e83e6ae4a84c7e1","last_reissued_at":"2026-07-04T23:58:08.725890Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:58:08.725890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.08957","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":"2026-07-04T23:58:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xXqt5+xXvnQD1zVQ2q19PAo+iat2KEIDeWwkdl2tGUG5QBFn5tfGPslYNK5jz0rNz+Lart6z47u4OUP+HNdJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T15:14:13.352966Z"},"content_sha256":"1724619a380f038293f0d2d5d8a95472840ebd078e0b41f31d0ad6de5f162a56","schema_version":"1.0","event_id":"sha256:1724619a380f038293f0d2d5d8a95472840ebd078e0b41f31d0ad6de5f162a56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ONWXUX7R3N6DV6BNMJXVGS6XET","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ANTIQUE: A Non-Factoid Question Answering Benchmark","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.IR","authors_text":"Hamed Zamani, Helia Hashemi, Mohammad Aliannejadi, W. Bruce Croft","submitted_at":"2019-05-22T05:32:03Z","abstract_excerpt":"Considering the widespread use of mobile and voice search, answer passage retrieval for non-factoid questions plays a critical role in modern information retrieval systems. Despite the importance of the task, the community still feels the significant lack of large-scale non-factoid question answering collections with real questions and comprehensive relevance judgments. In this paper, we develop and release a collection of 2,626 open-domain non-factoid questions from a diverse set of categories. The dataset, called ANTIQUE, contains 34,011 manual relevance annotations. The questions were asked"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08957","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/1905.08957/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":"2026-07-04T23:58:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/6nEiXaEBRIG9tK7jTFQ6ddWL/lmrSP/GnZi+97E0ITL8deXJOTjveIqsbr7iGWX9BnQSW6r6kh7x97OHQ8TAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T15:14:13.353570Z"},"content_sha256":"45c77d851b70b80421ae9e320a5e6d7abd5727d072915d58aafe59a850f47177","schema_version":"1.0","event_id":"sha256:45c77d851b70b80421ae9e320a5e6d7abd5727d072915d58aafe59a850f47177"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ONWXUX7R3N6DV6BNMJXVGS6XET/bundle.json","state_url":"https://pith.science/pith/ONWXUX7R3N6DV6BNMJXVGS6XET/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ONWXUX7R3N6DV6BNMJXVGS6XET/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":"2026-08-22T15:14:13Z","links":{"resolver":"https://pith.science/pith/ONWXUX7R3N6DV6BNMJXVGS6XET","bundle":"https://pith.science/pith/ONWXUX7R3N6DV6BNMJXVGS6XET/bundle.json","state":"https://pith.science/pith/ONWXUX7R3N6DV6BNMJXVGS6XET/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ONWXUX7R3N6DV6BNMJXVGS6XET/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ONWXUX7R3N6DV6BNMJXVGS6XET","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":"09e0f4de129d76b95d93a9215ee24ce06b936206c399a2dd2b70afe4beeacd4d","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-05-22T05:32:03Z","title_canon_sha256":"e9c53ab44733db8017dcf5c68dc07fa573a24f8223c71f25ffed0bcec91e70e5"},"schema_version":"1.0","source":{"id":"1905.08957","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08957","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08957v2","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08957","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"pith_short_12","alias_value":"ONWXUX7R3N6D","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"pith_short_16","alias_value":"ONWXUX7R3N6DV6BN","created_at":"2026-07-04T23:58:08Z"},{"alias_kind":"pith_short_8","alias_value":"ONWXUX7R","created_at":"2026-07-04T23:58:08Z"}],"graph_snapshots":[{"event_id":"sha256:45c77d851b70b80421ae9e320a5e6d7abd5727d072915d58aafe59a850f47177","target":"graph","created_at":"2026-07-04T23:58:08Z","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/1905.08957/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Considering the widespread use of mobile and voice search, answer passage retrieval for non-factoid questions plays a critical role in modern information retrieval systems. Despite the importance of the task, the community still feels the significant lack of large-scale non-factoid question answering collections with real questions and comprehensive relevance judgments. In this paper, we develop and release a collection of 2,626 open-domain non-factoid questions from a diverse set of categories. The dataset, called ANTIQUE, contains 34,011 manual relevance annotations. The questions were asked","authors_text":"Hamed Zamani, Helia Hashemi, Mohammad Aliannejadi, W. Bruce Croft","cross_cats":["cs.CL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-05-22T05:32:03Z","title":"ANTIQUE: A Non-Factoid Question Answering Benchmark"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08957","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":"sha256:1724619a380f038293f0d2d5d8a95472840ebd078e0b41f31d0ad6de5f162a56","target":"record","created_at":"2026-07-04T23:58:08Z","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":"09e0f4de129d76b95d93a9215ee24ce06b936206c399a2dd2b70afe4beeacd4d","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-05-22T05:32:03Z","title_canon_sha256":"e9c53ab44733db8017dcf5c68dc07fa573a24f8223c71f25ffed0bcec91e70e5"},"schema_version":"1.0","source":{"id":"1905.08957","kind":"arxiv","version":2}},"canonical_sha256":"736d7a5ff1db7c3af82d626f534bd724dc5b2f05f83907465e83e6ae4a84c7e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"736d7a5ff1db7c3af82d626f534bd724dc5b2f05f83907465e83e6ae4a84c7e1","first_computed_at":"2026-07-04T23:58:08.725890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:58:08.725890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HyhG5igDOvri9Xzkevv3bWaBqZO5mVfJRsw69teyEjSLNJevpdPMyp1eBJMSVoynmTOfxflcA/0tMSP6x58bCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:58:08.726293Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.08957","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1724619a380f038293f0d2d5d8a95472840ebd078e0b41f31d0ad6de5f162a56","sha256:45c77d851b70b80421ae9e320a5e6d7abd5727d072915d58aafe59a850f47177"],"state_sha256":"648164d72e0667f0843f8d3669f30eff7552d88b5b1e06e7ef2186fb142d1122"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CR2L8XZ3YhzWqcS34kHXVrGcUL/VvUx+eYcyRp9V4nGBtH7roEnzv45qv1EB37rdtTyUBcZWAuJ95NT7b37HCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T15:14:13.358522Z","bundle_sha256":"3c1a85d5b628c7ce325f1a284cccd130b50eb7ddd71e64b85045aafe56fd3ee1"}}