{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:E6EM7MV6NNT7XPEJ5CR5BRLLPM","short_pith_number":"pith:E6EM7MV6","canonical_record":{"source":{"id":"2301.08801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-01-20T21:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"9b48969945cf2f366268a9a77966cbf15e7e8fb274309757d4d57e9855e74c7d","abstract_canon_sha256":"1a59676c28fba720574b9fc2c86a006d8997847c30834381a534135c2416ad75"},"schema_version":"1.0"},"canonical_sha256":"2788cfb2be6b67fbbc89e8a3d0c56b7b3600964e61492431a951015620a91919","source":{"kind":"arxiv","id":"2301.08801","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.08801","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"arxiv_version","alias_value":"2301.08801v1","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.08801","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"pith_short_12","alias_value":"E6EM7MV6NNT7","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"pith_short_16","alias_value":"E6EM7MV6NNT7XPEJ","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"pith_short_8","alias_value":"E6EM7MV6","created_at":"2026-07-05T07:45:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:E6EM7MV6NNT7XPEJ5CR5BRLLPM","target":"record","payload":{"canonical_record":{"source":{"id":"2301.08801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-01-20T21:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"9b48969945cf2f366268a9a77966cbf15e7e8fb274309757d4d57e9855e74c7d","abstract_canon_sha256":"1a59676c28fba720574b9fc2c86a006d8997847c30834381a534135c2416ad75"},"schema_version":"1.0"},"canonical_sha256":"2788cfb2be6b67fbbc89e8a3d0c56b7b3600964e61492431a951015620a91919","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:45:13.606934Z","signature_b64":"aamgIC3sZDqzcu8em1bY5M92+0wedRwRYe3nkzxGiHs1zLImogxUqqf9HkOaHQYwSOEPKLuNXDsZo38jcOxRDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2788cfb2be6b67fbbc89e8a3d0c56b7b3600964e61492431a951015620a91919","last_reissued_at":"2026-07-05T07:45:13.606459Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:45:13.606459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.08801","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":"2026-07-05T07:45:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lF9XGnPOvSt+NFXce5aQ/XCjE7doOcM26oAtkWkAS/MfHrjS1xexpxj8Ypv3xDeUawaFlISJ/yCx2SZvrWwJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:27:18.325881Z"},"content_sha256":"549a20ee64178b83a35d6f758f65345469c4c50e45f42ab29400fd3f5669d004","schema_version":"1.0","event_id":"sha256:549a20ee64178b83a35d6f758f65345469c4c50e45f42ab29400fd3f5669d004"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:E6EM7MV6NNT7XPEJ5CR5BRLLPM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information Retrieval: Recent Advances and Beyond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Hugo Proenca, Kailash A. Hambarde","submitted_at":"2023-01-20T21:00:39Z","abstract_excerpt":"In this paper, we provide a detailed overview of the models used for information retrieval in the first and second stages of the typical processing chain. We discuss the current state-of-the-art models, including methods based on terms, semantic retrieval, and neural. Additionally, we delve into the key topics related to the learning process of these models. This way, this survey offers a comprehensive understanding of the field and is of interest for for researchers and practitioners entering/working in the information retrieval domain."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.08801","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2301.08801/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":"2026-07-05T07:45:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MqvsPVYm+obqFlbSbVxwZfXzYRXf/hUGvADIqlemnwpeBk3ShQ9+UH5dsD61Rhv1Jo534biNKX+VDw+jw0o1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:27:18.326452Z"},"content_sha256":"1de8857947e135506f9b82b39bc659a0d855b954ffd4c24684d191a49b261ba7","schema_version":"1.0","event_id":"sha256:1de8857947e135506f9b82b39bc659a0d855b954ffd4c24684d191a49b261ba7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6EM7MV6NNT7XPEJ5CR5BRLLPM/bundle.json","state_url":"https://pith.science/pith/E6EM7MV6NNT7XPEJ5CR5BRLLPM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6EM7MV6NNT7XPEJ5CR5BRLLPM/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":"2026-08-22T18:27:18Z","links":{"resolver":"https://pith.science/pith/E6EM7MV6NNT7XPEJ5CR5BRLLPM","bundle":"https://pith.science/pith/E6EM7MV6NNT7XPEJ5CR5BRLLPM/bundle.json","state":"https://pith.science/pith/E6EM7MV6NNT7XPEJ5CR5BRLLPM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6EM7MV6NNT7XPEJ5CR5BRLLPM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:E6EM7MV6NNT7XPEJ5CR5BRLLPM","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":"1a59676c28fba720574b9fc2c86a006d8997847c30834381a534135c2416ad75","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-01-20T21:00:39Z","title_canon_sha256":"9b48969945cf2f366268a9a77966cbf15e7e8fb274309757d4d57e9855e74c7d"},"schema_version":"1.0","source":{"id":"2301.08801","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.08801","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"arxiv_version","alias_value":"2301.08801v1","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.08801","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"pith_short_12","alias_value":"E6EM7MV6NNT7","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"pith_short_16","alias_value":"E6EM7MV6NNT7XPEJ","created_at":"2026-07-05T07:45:13Z"},{"alias_kind":"pith_short_8","alias_value":"E6EM7MV6","created_at":"2026-07-05T07:45:13Z"}],"graph_snapshots":[{"event_id":"sha256:1de8857947e135506f9b82b39bc659a0d855b954ffd4c24684d191a49b261ba7","target":"graph","created_at":"2026-07-05T07:45:13Z","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/2301.08801/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we provide a detailed overview of the models used for information retrieval in the first and second stages of the typical processing chain. We discuss the current state-of-the-art models, including methods based on terms, semantic retrieval, and neural. Additionally, we delve into the key topics related to the learning process of these models. This way, this survey offers a comprehensive understanding of the field and is of interest for for researchers and practitioners entering/working in the information retrieval domain.","authors_text":"Hugo Proenca, Kailash A. Hambarde","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-01-20T21:00:39Z","title":"Information Retrieval: Recent Advances and Beyond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.08801","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":"sha256:549a20ee64178b83a35d6f758f65345469c4c50e45f42ab29400fd3f5669d004","target":"record","created_at":"2026-07-05T07:45:13Z","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":"1a59676c28fba720574b9fc2c86a006d8997847c30834381a534135c2416ad75","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-01-20T21:00:39Z","title_canon_sha256":"9b48969945cf2f366268a9a77966cbf15e7e8fb274309757d4d57e9855e74c7d"},"schema_version":"1.0","source":{"id":"2301.08801","kind":"arxiv","version":1}},"canonical_sha256":"2788cfb2be6b67fbbc89e8a3d0c56b7b3600964e61492431a951015620a91919","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2788cfb2be6b67fbbc89e8a3d0c56b7b3600964e61492431a951015620a91919","first_computed_at":"2026-07-05T07:45:13.606459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:45:13.606459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aamgIC3sZDqzcu8em1bY5M92+0wedRwRYe3nkzxGiHs1zLImogxUqqf9HkOaHQYwSOEPKLuNXDsZo38jcOxRDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:45:13.606934Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.08801","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:549a20ee64178b83a35d6f758f65345469c4c50e45f42ab29400fd3f5669d004","sha256:1de8857947e135506f9b82b39bc659a0d855b954ffd4c24684d191a49b261ba7"],"state_sha256":"91da8c81903285087ca7ba2abdd0912f08eaae32e425771d5f57340e4eee4751"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R8OWGbyYLKGnBo30vlGHoRiDRIRlJmXCzkNZ2BLPiIjGbmKMV44SSG9ID63D71ul1OYOqkyLlCI2eQlCLsDdCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T18:27:18.334290Z","bundle_sha256":"f8f671daa1d91d28e3ab2857dbe1d8f369d5d154a816002a9d13090852205720"}}