{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:2MFXTLZFZJW5BQOCQ6NIUVQE3O","short_pith_number":"pith:2MFXTLZF","canonical_record":{"source":{"id":"1005.2308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2010-05-13T12:35:22Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"6c1ab8ff0cd2001ca4501b9f063926cae8ae9324d15b4319c53275b7f2c00032","abstract_canon_sha256":"ae61356903a86d1d187654fe290c31341eadb02c6058b51a3318dfe51f17629d"},"schema_version":"1.0"},"canonical_sha256":"d30b79af25ca6dd0c1c2879a8a5604dbbbc5119a094bd7e5ccad7a2a9e312816","source":{"kind":"arxiv","id":"1005.2308","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.2308","created_at":"2026-05-18T01:22:03Z"},{"alias_kind":"arxiv_version","alias_value":"1005.2308v1","created_at":"2026-05-18T01:22:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.2308","created_at":"2026-05-18T01:22:03Z"},{"alias_kind":"pith_short_12","alias_value":"2MFXTLZFZJW5","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2MFXTLZFZJW5BQOC","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2MFXTLZF","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:2MFXTLZFZJW5BQOCQ6NIUVQE3O","target":"record","payload":{"canonical_record":{"source":{"id":"1005.2308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2010-05-13T12:35:22Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"6c1ab8ff0cd2001ca4501b9f063926cae8ae9324d15b4319c53275b7f2c00032","abstract_canon_sha256":"ae61356903a86d1d187654fe290c31341eadb02c6058b51a3318dfe51f17629d"},"schema_version":"1.0"},"canonical_sha256":"d30b79af25ca6dd0c1c2879a8a5604dbbbc5119a094bd7e5ccad7a2a9e312816","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:03.681634Z","signature_b64":"vTocTqiL4NLYlDZy60DNO2h+pDxgRH22V6wbd6PCqWg9OCD85TefLnaPEUL+M5iV1EXVgB5Jucsb6/Dd+Qh+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d30b79af25ca6dd0c1c2879a8a5604dbbbc5119a094bd7e5ccad7a2a9e312816","last_reissued_at":"2026-05-18T01:22:03.680957Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:03.680957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.2308","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":"2026-05-18T01:22:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"54t0CyAl8vosbRkUuLveC0kaaHnQeq1M6GJv3O/2OaB3yBB7eub9HzqZ+0FGO84uK6gxNgekp0QWR5X9SpMhAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:38:18.052289Z"},"content_sha256":"234094601718f4ea8ca64fb98dc74445b1eb4c4dc739f4d9a8016d609daa32ff","schema_version":"1.0","event_id":"sha256:234094601718f4ea8ca64fb98dc74445b1eb4c4dc739f4d9a8016d609daa32ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:2MFXTLZFZJW5BQOCQ6NIUVQE3O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finding Your Literature Match -- A Recommender System","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.DL","authors_text":"Alberto Accomazzi, Carolyn Grant, Donna Thompson, Edwin A. Henneken, Elizabeth Bohlen, Giovanni Di Milia, Jay Luker, Michael J. Kurtz, Stephen S. Murray","submitted_at":"2010-05-13T12:35:22Z","abstract_excerpt":"The universe of potentially interesting, searchable literature is expanding continuously. Besides the normal expansion, there is an additional influx of literature because of interdisciplinary boundaries becoming more and more diffuse. Hence, the need for accurate, efficient and intelligent search tools is bigger than ever. Even with a sophisticated search engine, looking for information can still result in overwhelming results. An overload of information has the intrinsic danger of scaring visitors away, and any organization, for-profit or not-for-profit, in the business of providing scholarl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.2308","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":""},"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":"2026-05-18T01:22:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"08cst6Y7lKcm2MZuhycW00Zl+HX8+arJhLQjyHgPY/zYHPTTQYbDUUa3J9avHA4j2hWGQGxmK7rrcLeRlkxfCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:38:18.052656Z"},"content_sha256":"56ce33b56e377efa7d28eebc64b79bc3e99860c2545f0b8c815284fb6183928b","schema_version":"1.0","event_id":"sha256:56ce33b56e377efa7d28eebc64b79bc3e99860c2545f0b8c815284fb6183928b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2MFXTLZFZJW5BQOCQ6NIUVQE3O/bundle.json","state_url":"https://pith.science/pith/2MFXTLZFZJW5BQOCQ6NIUVQE3O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2MFXTLZFZJW5BQOCQ6NIUVQE3O/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":"2026-05-30T16:38:18Z","links":{"resolver":"https://pith.science/pith/2MFXTLZFZJW5BQOCQ6NIUVQE3O","bundle":"https://pith.science/pith/2MFXTLZFZJW5BQOCQ6NIUVQE3O/bundle.json","state":"https://pith.science/pith/2MFXTLZFZJW5BQOCQ6NIUVQE3O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2MFXTLZFZJW5BQOCQ6NIUVQE3O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:2MFXTLZFZJW5BQOCQ6NIUVQE3O","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":"ae61356903a86d1d187654fe290c31341eadb02c6058b51a3318dfe51f17629d","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2010-05-13T12:35:22Z","title_canon_sha256":"6c1ab8ff0cd2001ca4501b9f063926cae8ae9324d15b4319c53275b7f2c00032"},"schema_version":"1.0","source":{"id":"1005.2308","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.2308","created_at":"2026-05-18T01:22:03Z"},{"alias_kind":"arxiv_version","alias_value":"1005.2308v1","created_at":"2026-05-18T01:22:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.2308","created_at":"2026-05-18T01:22:03Z"},{"alias_kind":"pith_short_12","alias_value":"2MFXTLZFZJW5","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2MFXTLZFZJW5BQOC","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2MFXTLZF","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:56ce33b56e377efa7d28eebc64b79bc3e99860c2545f0b8c815284fb6183928b","target":"graph","created_at":"2026-05-18T01:22:03Z","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":"The universe of potentially interesting, searchable literature is expanding continuously. Besides the normal expansion, there is an additional influx of literature because of interdisciplinary boundaries becoming more and more diffuse. Hence, the need for accurate, efficient and intelligent search tools is bigger than ever. Even with a sophisticated search engine, looking for information can still result in overwhelming results. An overload of information has the intrinsic danger of scaring visitors away, and any organization, for-profit or not-for-profit, in the business of providing scholarl","authors_text":"Alberto Accomazzi, Carolyn Grant, Donna Thompson, Edwin A. Henneken, Elizabeth Bohlen, Giovanni Di Milia, Jay Luker, Michael J. Kurtz, Stephen S. Murray","cross_cats":["cs.IR"],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2010-05-13T12:35:22Z","title":"Finding Your Literature Match -- A Recommender System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.2308","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":"sha256:234094601718f4ea8ca64fb98dc74445b1eb4c4dc739f4d9a8016d609daa32ff","target":"record","created_at":"2026-05-18T01:22:03Z","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":"ae61356903a86d1d187654fe290c31341eadb02c6058b51a3318dfe51f17629d","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.DL","submitted_at":"2010-05-13T12:35:22Z","title_canon_sha256":"6c1ab8ff0cd2001ca4501b9f063926cae8ae9324d15b4319c53275b7f2c00032"},"schema_version":"1.0","source":{"id":"1005.2308","kind":"arxiv","version":1}},"canonical_sha256":"d30b79af25ca6dd0c1c2879a8a5604dbbbc5119a094bd7e5ccad7a2a9e312816","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d30b79af25ca6dd0c1c2879a8a5604dbbbc5119a094bd7e5ccad7a2a9e312816","first_computed_at":"2026-05-18T01:22:03.680957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:03.680957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vTocTqiL4NLYlDZy60DNO2h+pDxgRH22V6wbd6PCqWg9OCD85TefLnaPEUL+M5iV1EXVgB5Jucsb6/Dd+Qh+BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:03.681634Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.2308","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:234094601718f4ea8ca64fb98dc74445b1eb4c4dc739f4d9a8016d609daa32ff","sha256:56ce33b56e377efa7d28eebc64b79bc3e99860c2545f0b8c815284fb6183928b"],"state_sha256":"b712d626bb0a1bb1be4a0f59906d440ed6eea66fca80b8cb0d300337cbb61c24"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jrl2VwwxAyjD+uzzT+x0J/JRjsPEPnJf7Z189w+wE3Nh0Nph0rT9+e0xrSTOF2z5x1FPYnDN6lx4nfwj4FkzDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:38:18.054962Z","bundle_sha256":"c33503bf5f75749b076b76cef6de984f387b32e2c6fbba092760f4bf46743eec"}}