{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:I5ZC5YLPL3BKCYQLFYNUSMYU6R","short_pith_number":"pith:I5ZC5YLP","canonical_record":{"source":{"id":"2412.18768","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-12-25T03:51:26Z","cross_cats_sorted":[],"title_canon_sha256":"439e8bb779b00bd9da331b46c625b5416067ce448ea178ed247a2527b6220c18","abstract_canon_sha256":"187fb8f417f3d842669d03abbaba46c036e288ee69b05806387a2cc802039933"},"schema_version":"1.0"},"canonical_sha256":"47722ee16f5ec2a1620b2e1b493314f44cae69724a29116df50e322683885965","source":{"kind":"arxiv","id":"2412.18768","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.18768","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"arxiv_version","alias_value":"2412.18768v1","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.18768","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"pith_short_12","alias_value":"I5ZC5YLPL3BK","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"pith_short_16","alias_value":"I5ZC5YLPL3BKCYQL","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"pith_short_8","alias_value":"I5ZC5YLP","created_at":"2026-07-05T09:54:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:I5ZC5YLPL3BKCYQLFYNUSMYU6R","target":"record","payload":{"canonical_record":{"source":{"id":"2412.18768","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-12-25T03:51:26Z","cross_cats_sorted":[],"title_canon_sha256":"439e8bb779b00bd9da331b46c625b5416067ce448ea178ed247a2527b6220c18","abstract_canon_sha256":"187fb8f417f3d842669d03abbaba46c036e288ee69b05806387a2cc802039933"},"schema_version":"1.0"},"canonical_sha256":"47722ee16f5ec2a1620b2e1b493314f44cae69724a29116df50e322683885965","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:54:10.529066Z","signature_b64":"FRoBB2cvJNNRdxcVPh7EmXjeGRP6uXfZNll6ZMYgy7zr1JtaOkiNRJfuKAppx8kDjWdKtGhDBZxpamQ0lY3qBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47722ee16f5ec2a1620b2e1b493314f44cae69724a29116df50e322683885965","last_reissued_at":"2026-07-05T09:54:10.528574Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:54:10.528574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.18768","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":"2026-07-05T09:54:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L2iLWJfp42BnaXtDwKjkMlHmsq3xV9XuvlH21+2WQEK+xp1kLOb6Im3vssbxV6UQZ2eYOKSYqmRsc1CsOeIbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T12:28:45.941243Z"},"content_sha256":"8bfccf2b970b1586d8e9b265ee872fea7aff9ad41eb67e259e58f9cfcc280025","schema_version":"1.0","event_id":"sha256:8bfccf2b970b1586d8e9b265ee872fea7aff9ad41eb67e259e58f9cfcc280025"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:I5ZC5YLPL3BKCYQLFYNUSMYU6R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Robustness of Generative Information Retrieval Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Changjiang Zhou, Jiafeng Guo, Maarten de Rijke, Ruqing Zhang, Xueqi Cheng, Yu-An Liu","submitted_at":"2024-12-25T03:51:26Z","abstract_excerpt":"Generative information retrieval methods retrieve documents by directly generating their identifiers. Much effort has been devoted to developing effective generative IR models. Less attention has been paid to the robustness of these models. It is critical to assess the out-of-distribution (OOD) generalization of generative IR models, i.e., how would such models generalize to new distributions? To answer this question, we focus on OOD scenarios from four perspectives in retrieval problems: (i)query variations; (ii)unseen query types; (iii)unseen tasks; and (iv)corpus expansion. Based on this ta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.18768","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/2412.18768/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":"2026-07-05T09:54:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9OfashfAsYiAYQg8CTLUPz5igjvR95XvXDIyjWnyFdlXXXfRWFPf4JUS45/Qgk8Z9V5MkHz5BzmTcaZRHdKdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T12:28:45.941769Z"},"content_sha256":"5fe8d66bf4f586d03c94cc1b51d9e4b321d5229fdf6d0281cc521db1311dc7c7","schema_version":"1.0","event_id":"sha256:5fe8d66bf4f586d03c94cc1b51d9e4b321d5229fdf6d0281cc521db1311dc7c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I5ZC5YLPL3BKCYQLFYNUSMYU6R/bundle.json","state_url":"https://pith.science/pith/I5ZC5YLPL3BKCYQLFYNUSMYU6R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I5ZC5YLPL3BKCYQLFYNUSMYU6R/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":"2026-08-15T12:28:45Z","links":{"resolver":"https://pith.science/pith/I5ZC5YLPL3BKCYQLFYNUSMYU6R","bundle":"https://pith.science/pith/I5ZC5YLPL3BKCYQLFYNUSMYU6R/bundle.json","state":"https://pith.science/pith/I5ZC5YLPL3BKCYQLFYNUSMYU6R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I5ZC5YLPL3BKCYQLFYNUSMYU6R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:I5ZC5YLPL3BKCYQLFYNUSMYU6R","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":"187fb8f417f3d842669d03abbaba46c036e288ee69b05806387a2cc802039933","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-12-25T03:51:26Z","title_canon_sha256":"439e8bb779b00bd9da331b46c625b5416067ce448ea178ed247a2527b6220c18"},"schema_version":"1.0","source":{"id":"2412.18768","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.18768","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"arxiv_version","alias_value":"2412.18768v1","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.18768","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"pith_short_12","alias_value":"I5ZC5YLPL3BK","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"pith_short_16","alias_value":"I5ZC5YLPL3BKCYQL","created_at":"2026-07-05T09:54:10Z"},{"alias_kind":"pith_short_8","alias_value":"I5ZC5YLP","created_at":"2026-07-05T09:54:10Z"}],"graph_snapshots":[{"event_id":"sha256:5fe8d66bf4f586d03c94cc1b51d9e4b321d5229fdf6d0281cc521db1311dc7c7","target":"graph","created_at":"2026-07-05T09:54:10Z","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/2412.18768/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Generative information retrieval methods retrieve documents by directly generating their identifiers. Much effort has been devoted to developing effective generative IR models. Less attention has been paid to the robustness of these models. It is critical to assess the out-of-distribution (OOD) generalization of generative IR models, i.e., how would such models generalize to new distributions? To answer this question, we focus on OOD scenarios from four perspectives in retrieval problems: (i)query variations; (ii)unseen query types; (iii)unseen tasks; and (iv)corpus expansion. Based on this ta","authors_text":"Changjiang Zhou, Jiafeng Guo, Maarten de Rijke, Ruqing Zhang, Xueqi Cheng, Yu-An Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-12-25T03:51:26Z","title":"On the Robustness of Generative Information Retrieval Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.18768","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":"sha256:8bfccf2b970b1586d8e9b265ee872fea7aff9ad41eb67e259e58f9cfcc280025","target":"record","created_at":"2026-07-05T09:54:10Z","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":"187fb8f417f3d842669d03abbaba46c036e288ee69b05806387a2cc802039933","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-12-25T03:51:26Z","title_canon_sha256":"439e8bb779b00bd9da331b46c625b5416067ce448ea178ed247a2527b6220c18"},"schema_version":"1.0","source":{"id":"2412.18768","kind":"arxiv","version":1}},"canonical_sha256":"47722ee16f5ec2a1620b2e1b493314f44cae69724a29116df50e322683885965","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47722ee16f5ec2a1620b2e1b493314f44cae69724a29116df50e322683885965","first_computed_at":"2026-07-05T09:54:10.528574Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:54:10.528574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FRoBB2cvJNNRdxcVPh7EmXjeGRP6uXfZNll6ZMYgy7zr1JtaOkiNRJfuKAppx8kDjWdKtGhDBZxpamQ0lY3qBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:54:10.529066Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.18768","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8bfccf2b970b1586d8e9b265ee872fea7aff9ad41eb67e259e58f9cfcc280025","sha256:5fe8d66bf4f586d03c94cc1b51d9e4b321d5229fdf6d0281cc521db1311dc7c7"],"state_sha256":"aa294c0a8312f084036121770f2984f4e447f47400132e9f33e08264424e81ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PMcizsouOayjpeLPMX9iZYCPiXFWd8c8p5+TOeTMikupB8O8FyPE93e+xPVTyLdLfRiq399l49mNXS/MxvCkDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T12:28:45.945042Z","bundle_sha256":"bbe3b2c189929484dd428dad1a8f7f08007b8a5f31adae620364ed2085a1cc43"}}