{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TQPCONPMLU7FDLKCKS7EJT3TTT","short_pith_number":"pith:TQPCONPM","canonical_record":{"source":{"id":"1908.02741","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2019-08-07T17:35:50Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"f0fe6cbcd5fb743efdf472536386e385ce1bfddc637b331f34c8c40010f48240","abstract_canon_sha256":"e1e9015dd466505562f12b190cdb3b8c7b77d6b240ed76918a3035306c057fe3"},"schema_version":"1.0"},"canonical_sha256":"9c1e2735ec5d3e51ad4254be44cf739cd1e5abcdc48a59be42516f9d6aab13dc","source":{"kind":"arxiv","id":"1908.02741","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.02741","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"arxiv_version","alias_value":"1908.02741v4","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02741","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"pith_short_12","alias_value":"TQPCONPMLU7F","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"pith_short_16","alias_value":"TQPCONPMLU7FDLKC","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"pith_short_8","alias_value":"TQPCONPM","created_at":"2026-07-05T00:11:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TQPCONPMLU7FDLKCKS7EJT3TTT","target":"record","payload":{"canonical_record":{"source":{"id":"1908.02741","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2019-08-07T17:35:50Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"f0fe6cbcd5fb743efdf472536386e385ce1bfddc637b331f34c8c40010f48240","abstract_canon_sha256":"e1e9015dd466505562f12b190cdb3b8c7b77d6b240ed76918a3035306c057fe3"},"schema_version":"1.0"},"canonical_sha256":"9c1e2735ec5d3e51ad4254be44cf739cd1e5abcdc48a59be42516f9d6aab13dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:11:15.209918Z","signature_b64":"Lzocb2v65LV3JjowjnfDX8G01o9/WX35vdEFXnBOjF0F0DaJSfEMil+hjS3RgJ1hWkfouC1qFQtDU23Bk/4ZCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c1e2735ec5d3e51ad4254be44cf739cd1e5abcdc48a59be42516f9d6aab13dc","last_reissued_at":"2026-07-05T00:11:15.209471Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:11:15.209471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.02741","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:11:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pn54WAVd6XbAh7atwc2HUEFUnX2ZAh+rv3KLILkqMAXiBY1t5217dZ5Ru/rDq+uNoLL7tDqQnbvj/Pyxa8CaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T11:44:49.778502Z"},"content_sha256":"3619a1e14bfa00e7e2085c309aa6b3ed0d4ffeed0d2cab5c415654528219851c","schema_version":"1.0","event_id":"sha256:3619a1e14bfa00e7e2085c309aa6b3ed0d4ffeed0d2cab5c415654528219851c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TQPCONPMLU7FDLKCKS7EJT3TTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parallel Finger Search Structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC"],"primary_cat":"cs.DS","authors_text":"Seth Gilbert, Wei Quan Lim","submitted_at":"2019-08-07T17:35:50Z","abstract_excerpt":"In this paper we present two versions of a parallel finger structure FS on p processors that supports searches, insertions and deletions, and has a finger at each end. This is to our knowledge the first implementation of a parallel search structure that is work-optimal with respect to the finger bound and yet has very good parallelism (within a factor of O( (log p)^2 ) of optimal). We utilize an extended implicit batching framework that transparently facilitates the use of FS by any parallel program P that is modelled by a dynamically generated DAG D where each node is either a unit-time instr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02741","kind":"arxiv","version":4},"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/1908.02741/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":"2026-07-05T00:11:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f/uTkKYPIm0uiWDxpckDpDGnKg2RrdMm3U6QU8M9m9mCNmTINwG8VIRnavgC/CxIfFYHYGL7X/aIyJc3nJjACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T11:44:49.778880Z"},"content_sha256":"0f7f11b182915a5cfaa1b1bcd43d774b06729b9ae8e51387b4b7e330319f95a9","schema_version":"1.0","event_id":"sha256:0f7f11b182915a5cfaa1b1bcd43d774b06729b9ae8e51387b4b7e330319f95a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TQPCONPMLU7FDLKCKS7EJT3TTT/bundle.json","state_url":"https://pith.science/pith/TQPCONPMLU7FDLKCKS7EJT3TTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TQPCONPMLU7FDLKCKS7EJT3TTT/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":"2026-07-06T11:44:49Z","links":{"resolver":"https://pith.science/pith/TQPCONPMLU7FDLKCKS7EJT3TTT","bundle":"https://pith.science/pith/TQPCONPMLU7FDLKCKS7EJT3TTT/bundle.json","state":"https://pith.science/pith/TQPCONPMLU7FDLKCKS7EJT3TTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TQPCONPMLU7FDLKCKS7EJT3TTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TQPCONPMLU7FDLKCKS7EJT3TTT","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":"e1e9015dd466505562f12b190cdb3b8c7b77d6b240ed76918a3035306c057fe3","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2019-08-07T17:35:50Z","title_canon_sha256":"f0fe6cbcd5fb743efdf472536386e385ce1bfddc637b331f34c8c40010f48240"},"schema_version":"1.0","source":{"id":"1908.02741","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.02741","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"arxiv_version","alias_value":"1908.02741v4","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02741","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"pith_short_12","alias_value":"TQPCONPMLU7F","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"pith_short_16","alias_value":"TQPCONPMLU7FDLKC","created_at":"2026-07-05T00:11:15Z"},{"alias_kind":"pith_short_8","alias_value":"TQPCONPM","created_at":"2026-07-05T00:11:15Z"}],"graph_snapshots":[{"event_id":"sha256:0f7f11b182915a5cfaa1b1bcd43d774b06729b9ae8e51387b4b7e330319f95a9","target":"graph","created_at":"2026-07-05T00:11:15Z","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/1908.02741/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper we present two versions of a parallel finger structure FS on p processors that supports searches, insertions and deletions, and has a finger at each end. This is to our knowledge the first implementation of a parallel search structure that is work-optimal with respect to the finger bound and yet has very good parallelism (within a factor of O( (log p)^2 ) of optimal). We utilize an extended implicit batching framework that transparently facilitates the use of FS by any parallel program P that is modelled by a dynamically generated DAG D where each node is either a unit-time instr","authors_text":"Seth Gilbert, Wei Quan Lim","cross_cats":["cs.DC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2019-08-07T17:35:50Z","title":"Parallel Finger Search Structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02741","kind":"arxiv","version":4},"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":"sha256:3619a1e14bfa00e7e2085c309aa6b3ed0d4ffeed0d2cab5c415654528219851c","target":"record","created_at":"2026-07-05T00:11:15Z","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":"e1e9015dd466505562f12b190cdb3b8c7b77d6b240ed76918a3035306c057fe3","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2019-08-07T17:35:50Z","title_canon_sha256":"f0fe6cbcd5fb743efdf472536386e385ce1bfddc637b331f34c8c40010f48240"},"schema_version":"1.0","source":{"id":"1908.02741","kind":"arxiv","version":4}},"canonical_sha256":"9c1e2735ec5d3e51ad4254be44cf739cd1e5abcdc48a59be42516f9d6aab13dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c1e2735ec5d3e51ad4254be44cf739cd1e5abcdc48a59be42516f9d6aab13dc","first_computed_at":"2026-07-05T00:11:15.209471Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:11:15.209471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lzocb2v65LV3JjowjnfDX8G01o9/WX35vdEFXnBOjF0F0DaJSfEMil+hjS3RgJ1hWkfouC1qFQtDU23Bk/4ZCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:11:15.209918Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.02741","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3619a1e14bfa00e7e2085c309aa6b3ed0d4ffeed0d2cab5c415654528219851c","sha256:0f7f11b182915a5cfaa1b1bcd43d774b06729b9ae8e51387b4b7e330319f95a9"],"state_sha256":"231dadabdecf34511bfa3a036ee1a769ab9fda068ceaa8e9702b8cfac2f6c2f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J75Tv4vXghzIE9nlB7XvDnqJH1JybXLy2pBPHRAsaIkv42Da3fk1hYL08MzlKWOGlAhXc0AvrxAEshK1td4rDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T11:44:49.780979Z","bundle_sha256":"d5b3ee0cdd364fb532fbe93367b2ee6de3b87edadd2794d8de5421a1dd223a59"}}