{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:WOZ447GRWKH4G6W54L7XZJZ3BU","short_pith_number":"pith:WOZ447GR","canonical_record":{"source":{"id":"1112.1141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-12-06T01:37:51Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"d2e2ef937e39abccd2c2a86894c35d10df7403f1edaf93ecae2852baa1a0d532","abstract_canon_sha256":"7e093063d5910d141cfa097a05cc555df62f771705963c3b7f0d9fa377f04125"},"schema_version":"1.0"},"canonical_sha256":"b3b3ce7cd1b28fc37adde2ff7ca73b0d2a9afadd76651b9e5ad342268cf55299","source":{"kind":"arxiv","id":"1112.1141","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.1141","created_at":"2026-05-18T04:06:56Z"},{"alias_kind":"arxiv_version","alias_value":"1112.1141v1","created_at":"2026-05-18T04:06:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.1141","created_at":"2026-05-18T04:06:56Z"},{"alias_kind":"pith_short_12","alias_value":"WOZ447GRWKH4","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"WOZ447GRWKH4G6W5","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"WOZ447GR","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:WOZ447GRWKH4G6W54L7XZJZ3BU","target":"record","payload":{"canonical_record":{"source":{"id":"1112.1141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-12-06T01:37:51Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"d2e2ef937e39abccd2c2a86894c35d10df7403f1edaf93ecae2852baa1a0d532","abstract_canon_sha256":"7e093063d5910d141cfa097a05cc555df62f771705963c3b7f0d9fa377f04125"},"schema_version":"1.0"},"canonical_sha256":"b3b3ce7cd1b28fc37adde2ff7ca73b0d2a9afadd76651b9e5ad342268cf55299","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:06:56.182173Z","signature_b64":"zsTaeiFVdtRYOA1PJh7AORVql+d88QSN1OVUeluflvmpzdpGPWssCrIltTsDT31cX5ewolwOLJ+DmGjZkFIrAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3b3ce7cd1b28fc37adde2ff7ca73b0d2a9afadd76651b9e5ad342268cf55299","last_reissued_at":"2026-05-18T04:06:56.181484Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:06:56.181484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.1141","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":"2026-05-18T04:06:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xLUq2TCCFPq+0BOP2VW7Got28BuuoLpYti40o6tqMhoaHezqZY08A3KAshkmJgN/rhequcARe8KUOr8kBYanCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T15:07:20.700807Z"},"content_sha256":"596fb54657c34c0c8804805de1cd653408a0f57792bd1591dba97079f01c706b","schema_version":"1.0","event_id":"sha256:596fb54657c34c0c8804805de1cd653408a0f57792bd1591dba97079f01c706b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:WOZ447GRWKH4G6W54L7XZJZ3BU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Highly-Concurrent Doubly-Linked Lists","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC"],"primary_cat":"cs.DS","authors_text":"Ed Zhu, Fabiano C. Botelho, Nitin Garg","submitted_at":"2011-12-06T01:37:51Z","abstract_excerpt":"As file systems are increasingly being deployed on ever larger systems with many cores and multi-gigabytes of memory, scaling the internal data structures of file systems has taken greater importance and urgency. A doubly-linked list is a simple and very commonly used data structure in file systems but it is not very friendly to multi-threaded use. While special cases of lists, such as queues and stacks, have lock-free versions that scale reasonably well, the general form of a doubly-linked list offers no such solution. Using a mutex to serialize all operations remains the de-facto method of m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.1141","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":"2026-05-18T04:06:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLz6WnoH6yLSzzK0pbcfEv+rVjMHKcwZl+hEhjlCl+jV9hU1cYBuPHwZmusPp+DSQyJ3ZB7CDHPrE6+wAznQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T15:07:20.701152Z"},"content_sha256":"25766df69b3344de64ec5501a613a6e2c0547cbf628d4a4f8d23bdbb2a1b793e","schema_version":"1.0","event_id":"sha256:25766df69b3344de64ec5501a613a6e2c0547cbf628d4a4f8d23bdbb2a1b793e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WOZ447GRWKH4G6W54L7XZJZ3BU/bundle.json","state_url":"https://pith.science/pith/WOZ447GRWKH4G6W54L7XZJZ3BU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WOZ447GRWKH4G6W54L7XZJZ3BU/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":"2026-06-28T15:07:20Z","links":{"resolver":"https://pith.science/pith/WOZ447GRWKH4G6W54L7XZJZ3BU","bundle":"https://pith.science/pith/WOZ447GRWKH4G6W54L7XZJZ3BU/bundle.json","state":"https://pith.science/pith/WOZ447GRWKH4G6W54L7XZJZ3BU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WOZ447GRWKH4G6W54L7XZJZ3BU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:WOZ447GRWKH4G6W54L7XZJZ3BU","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":"7e093063d5910d141cfa097a05cc555df62f771705963c3b7f0d9fa377f04125","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-12-06T01:37:51Z","title_canon_sha256":"d2e2ef937e39abccd2c2a86894c35d10df7403f1edaf93ecae2852baa1a0d532"},"schema_version":"1.0","source":{"id":"1112.1141","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.1141","created_at":"2026-05-18T04:06:56Z"},{"alias_kind":"arxiv_version","alias_value":"1112.1141v1","created_at":"2026-05-18T04:06:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.1141","created_at":"2026-05-18T04:06:56Z"},{"alias_kind":"pith_short_12","alias_value":"WOZ447GRWKH4","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"WOZ447GRWKH4G6W5","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"WOZ447GR","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:25766df69b3344de64ec5501a613a6e2c0547cbf628d4a4f8d23bdbb2a1b793e","target":"graph","created_at":"2026-05-18T04:06:56Z","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":"As file systems are increasingly being deployed on ever larger systems with many cores and multi-gigabytes of memory, scaling the internal data structures of file systems has taken greater importance and urgency. A doubly-linked list is a simple and very commonly used data structure in file systems but it is not very friendly to multi-threaded use. While special cases of lists, such as queues and stacks, have lock-free versions that scale reasonably well, the general form of a doubly-linked list offers no such solution. Using a mutex to serialize all operations remains the de-facto method of m","authors_text":"Ed Zhu, Fabiano C. Botelho, Nitin Garg","cross_cats":["cs.DC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-12-06T01:37:51Z","title":"Highly-Concurrent Doubly-Linked Lists"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.1141","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":"sha256:596fb54657c34c0c8804805de1cd653408a0f57792bd1591dba97079f01c706b","target":"record","created_at":"2026-05-18T04:06:56Z","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":"7e093063d5910d141cfa097a05cc555df62f771705963c3b7f0d9fa377f04125","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-12-06T01:37:51Z","title_canon_sha256":"d2e2ef937e39abccd2c2a86894c35d10df7403f1edaf93ecae2852baa1a0d532"},"schema_version":"1.0","source":{"id":"1112.1141","kind":"arxiv","version":1}},"canonical_sha256":"b3b3ce7cd1b28fc37adde2ff7ca73b0d2a9afadd76651b9e5ad342268cf55299","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3b3ce7cd1b28fc37adde2ff7ca73b0d2a9afadd76651b9e5ad342268cf55299","first_computed_at":"2026-05-18T04:06:56.181484Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:06:56.181484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zsTaeiFVdtRYOA1PJh7AORVql+d88QSN1OVUeluflvmpzdpGPWssCrIltTsDT31cX5ewolwOLJ+DmGjZkFIrAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:06:56.182173Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.1141","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:596fb54657c34c0c8804805de1cd653408a0f57792bd1591dba97079f01c706b","sha256:25766df69b3344de64ec5501a613a6e2c0547cbf628d4a4f8d23bdbb2a1b793e"],"state_sha256":"a648365293f037116855717a9b3cb5df05da3589a2fe5404912258a217b0388f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wSr3BZFeJC9Yq+50TNdAB+GSoYlKbMEsTzCzJ88O+7xqOfaBSXl056Z1Vf+U+Zsife1P18iDFjniOu5Ch+a+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T15:07:20.703039Z","bundle_sha256":"c9d7bfd78307fdaf67c64b6332bee47c4483947d279b59ae06a6689104ea6a91"}}