{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:OEDQFTEAUFUGA36WCG2RV643G2","short_pith_number":"pith:OEDQFTEA","canonical_record":{"source":{"id":"2302.05558","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-02-11T00:57:42Z","cross_cats_sorted":[],"title_canon_sha256":"1450604281b1fd7c19cd2f8f9d84709f9f2c8f7483c68d8ce9d6514d39ee6213","abstract_canon_sha256":"889d7ac911cfb4c08f771be285b76438d8d6d5a55f26beacf5ee89d6384301ff"},"schema_version":"1.0"},"canonical_sha256":"710702cc80a168606fd611b51afb9b36854e8ca92cbb1e14b47fe42f54654793","source":{"kind":"arxiv","id":"2302.05558","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.05558","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"arxiv_version","alias_value":"2302.05558v1","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.05558","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"pith_short_12","alias_value":"OEDQFTEAUFUG","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"pith_short_16","alias_value":"OEDQFTEAUFUGA36W","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"pith_short_8","alias_value":"OEDQFTEA","created_at":"2026-07-05T05:40:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:OEDQFTEAUFUGA36WCG2RV643G2","target":"record","payload":{"canonical_record":{"source":{"id":"2302.05558","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-02-11T00:57:42Z","cross_cats_sorted":[],"title_canon_sha256":"1450604281b1fd7c19cd2f8f9d84709f9f2c8f7483c68d8ce9d6514d39ee6213","abstract_canon_sha256":"889d7ac911cfb4c08f771be285b76438d8d6d5a55f26beacf5ee89d6384301ff"},"schema_version":"1.0"},"canonical_sha256":"710702cc80a168606fd611b51afb9b36854e8ca92cbb1e14b47fe42f54654793","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:40:55.247095Z","signature_b64":"qPsMteieY5v3Xw6J5vbpA/k5Z9Uq9RUaPbCTvC9IND2pRAAlk+jAzHkyR0H6BbstNmcvISgkgECeXbVSXaDTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"710702cc80a168606fd611b51afb9b36854e8ca92cbb1e14b47fe42f54654793","last_reissued_at":"2026-07-05T05:40:55.246696Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:40:55.246696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.05558","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":"2026-07-05T05:40:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iuzIBOa7ih0oH/+rxgzv92EcdS0ZVbulBMg3QJechEKBbpP0SF8FHrzrQCUOAg3RjUe/C5Ei66rGJ1b2tJ5aBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T00:52:32.107303Z"},"content_sha256":"cd079f4a6aa3a0e6d0ace999ad78d5dc1c5901192efc6fa05db8ade444bf6c05","schema_version":"1.0","event_id":"sha256:cd079f4a6aa3a0e6d0ace999ad78d5dc1c5901192efc6fa05db8ade444bf6c05"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:OEDQFTEAUFUGA36WCG2RV643G2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Overview of the TREC 2022 Fair Ranking Track","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Amifa Raj, Graham McDonald, Isaac Johnson, Michael D. Ekstrand","submitted_at":"2023-02-11T00:57:42Z","abstract_excerpt":"The TREC Fair Ranking Track aims to provide a platform for participants to develop and evaluate novel retrieval algorithms that can provide a fair exposure to a mixture of demographics or attributes, such as ethnicity, that are represented by relevant documents in response to a search query. For example, particular demographics or attributes can be represented by the documents topical content or authors. The 2022 Fair Ranking Track adopted a resource allocation task. The task focused on supporting Wikipedia editors who are looking to improve the encyclopedia's coverage of topics under the purv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.05558","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/2302.05558/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":"2026-07-05T05:40:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fic05xWw3jFnZGDSpa88bByWN5+4k3cmqrrCawYzCunlrfQ9JwZZ4DgQl0GpuJEFtcZmH4BElrm11ihnNgh6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T00:52:32.107974Z"},"content_sha256":"acdd1289f2d7c2929f21dd36ed235f78779ff7cd1d570d910e0b908038e6a921","schema_version":"1.0","event_id":"sha256:acdd1289f2d7c2929f21dd36ed235f78779ff7cd1d570d910e0b908038e6a921"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OEDQFTEAUFUGA36WCG2RV643G2/bundle.json","state_url":"https://pith.science/pith/OEDQFTEAUFUGA36WCG2RV643G2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OEDQFTEAUFUGA36WCG2RV643G2/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":"2026-07-07T00:52:32Z","links":{"resolver":"https://pith.science/pith/OEDQFTEAUFUGA36WCG2RV643G2","bundle":"https://pith.science/pith/OEDQFTEAUFUGA36WCG2RV643G2/bundle.json","state":"https://pith.science/pith/OEDQFTEAUFUGA36WCG2RV643G2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OEDQFTEAUFUGA36WCG2RV643G2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:OEDQFTEAUFUGA36WCG2RV643G2","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":"889d7ac911cfb4c08f771be285b76438d8d6d5a55f26beacf5ee89d6384301ff","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-02-11T00:57:42Z","title_canon_sha256":"1450604281b1fd7c19cd2f8f9d84709f9f2c8f7483c68d8ce9d6514d39ee6213"},"schema_version":"1.0","source":{"id":"2302.05558","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.05558","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"arxiv_version","alias_value":"2302.05558v1","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.05558","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"pith_short_12","alias_value":"OEDQFTEAUFUG","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"pith_short_16","alias_value":"OEDQFTEAUFUGA36W","created_at":"2026-07-05T05:40:55Z"},{"alias_kind":"pith_short_8","alias_value":"OEDQFTEA","created_at":"2026-07-05T05:40:55Z"}],"graph_snapshots":[{"event_id":"sha256:acdd1289f2d7c2929f21dd36ed235f78779ff7cd1d570d910e0b908038e6a921","target":"graph","created_at":"2026-07-05T05:40:55Z","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/2302.05558/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The TREC Fair Ranking Track aims to provide a platform for participants to develop and evaluate novel retrieval algorithms that can provide a fair exposure to a mixture of demographics or attributes, such as ethnicity, that are represented by relevant documents in response to a search query. For example, particular demographics or attributes can be represented by the documents topical content or authors. The 2022 Fair Ranking Track adopted a resource allocation task. The task focused on supporting Wikipedia editors who are looking to improve the encyclopedia's coverage of topics under the purv","authors_text":"Amifa Raj, Graham McDonald, Isaac Johnson, Michael D. Ekstrand","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-02-11T00:57:42Z","title":"Overview of the TREC 2022 Fair Ranking Track"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.05558","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:cd079f4a6aa3a0e6d0ace999ad78d5dc1c5901192efc6fa05db8ade444bf6c05","target":"record","created_at":"2026-07-05T05:40:55Z","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":"889d7ac911cfb4c08f771be285b76438d8d6d5a55f26beacf5ee89d6384301ff","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-02-11T00:57:42Z","title_canon_sha256":"1450604281b1fd7c19cd2f8f9d84709f9f2c8f7483c68d8ce9d6514d39ee6213"},"schema_version":"1.0","source":{"id":"2302.05558","kind":"arxiv","version":1}},"canonical_sha256":"710702cc80a168606fd611b51afb9b36854e8ca92cbb1e14b47fe42f54654793","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"710702cc80a168606fd611b51afb9b36854e8ca92cbb1e14b47fe42f54654793","first_computed_at":"2026-07-05T05:40:55.246696Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:40:55.246696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qPsMteieY5v3Xw6J5vbpA/k5Z9Uq9RUaPbCTvC9IND2pRAAlk+jAzHkyR0H6BbstNmcvISgkgECeXbVSXaDTAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:40:55.247095Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.05558","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd079f4a6aa3a0e6d0ace999ad78d5dc1c5901192efc6fa05db8ade444bf6c05","sha256:acdd1289f2d7c2929f21dd36ed235f78779ff7cd1d570d910e0b908038e6a921"],"state_sha256":"37537e5333d50e69c6fbab2adb094ea0696f8f1f215f41b37bd2061bb16e4f1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U6Qc763KndqBfiMYh9p6zD81g6Ab9S/pWJ66w5e6zJQIIw4lFZznrJdp0jtIMGKAxhzPJsaGdcSoQCsY3LheCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T00:52:32.111403Z","bundle_sha256":"4266c4a263fd4db99aeee1ce27531db998619ad245e7513310cc7284820bdf0f"}}