{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:5KSPEP4ZHBHGIYYPU5W6BIYYJJ","short_pith_number":"pith:5KSPEP4Z","canonical_record":{"source":{"id":"2512.04320","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-03T23:11:02Z","cross_cats_sorted":["cs.OS"],"title_canon_sha256":"2acc9c3b05bc825913cda6808f7f78ab9eeb15b813bc2cffabfd6778b35a7dcd","abstract_canon_sha256":"6462b6bd8a2b7a8a5d27a0cc1f688751ec906b5bbd824d111a928aef25ff39e0"},"schema_version":"1.0"},"canonical_sha256":"eaa4f23f99384e64630fa76de0a3184a79fdf0c75cbf9f8319cefd1d8f3292f0","source":{"kind":"arxiv","id":"2512.04320","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.04320","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"arxiv_version","alias_value":"2512.04320v2","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.04320","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"pith_short_12","alias_value":"5KSPEP4ZHBHG","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"pith_short_16","alias_value":"5KSPEP4ZHBHGIYYP","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"pith_short_8","alias_value":"5KSPEP4Z","created_at":"2026-05-26T01:02:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:5KSPEP4ZHBHGIYYPU5W6BIYYJJ","target":"record","payload":{"canonical_record":{"source":{"id":"2512.04320","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-03T23:11:02Z","cross_cats_sorted":["cs.OS"],"title_canon_sha256":"2acc9c3b05bc825913cda6808f7f78ab9eeb15b813bc2cffabfd6778b35a7dcd","abstract_canon_sha256":"6462b6bd8a2b7a8a5d27a0cc1f688751ec906b5bbd824d111a928aef25ff39e0"},"schema_version":"1.0"},"canonical_sha256":"eaa4f23f99384e64630fa76de0a3184a79fdf0c75cbf9f8319cefd1d8f3292f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T01:02:29.559163Z","signature_b64":"FluVwBrmq+fU4CgP2iCbkloFhWJiL+dFGHS5plx6Hr3NGcmcA7JdtoQ+0pq0c/bMgaGhpjyhVMGza23/Eca/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eaa4f23f99384e64630fa76de0a3184a79fdf0c75cbf9f8319cefd1d8f3292f0","last_reissued_at":"2026-05-26T01:02:29.558434Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T01:02:29.558434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.04320","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-26T01:02:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/GWdFTHROqvIWKUxpfjS9WXnyFfXthcHWXKBiVEn+8GX2UH8t7UmsJTn56pjPzg8xVQlWFFPCplxNRXVJRuiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:32:00.731207Z"},"content_sha256":"882fa73724832f7f323595e09ac7c2f41d32123ebcf29536acac0c9178017638","schema_version":"1.0","event_id":"sha256:882fa73724832f7f323595e09ac7c2f41d32123ebcf29536acac0c9178017638"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:5KSPEP4ZHBHGIYYPU5W6BIYYJJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VLCs: Managing Parallelism with Virtualized Libraries","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.OS"],"primary_cat":"cs.DC","authors_text":"Arthur Peters, Bozhi You, Christopher J. Rossbach, George Biros, Henrique Fingler, Hochan Lee, Ian Henriksen, Keshav Pingali, Martin Burtscher, Mattan Erez, Milos Gligoric, Sean Stephens, William Ruys, Yineng Yan","submitted_at":"2025-12-03T23:11:02Z","abstract_excerpt":"As the complexity and scale of modern parallel machines continue to grow, programmers increasingly rely on composition of software libraries to encapsulate and exploit parallelism. However, many libraries are not designed with composition in mind and assume they have exclusive access to all resources. Using such libraries concurrently can result in contention and degraded performance. Prior solutions involve modifying the libraries or the OS, which is often infeasible.\n  We propose Virtual Library Contexts (VLCs), which are process subunits that encapsulate sets of libraries and associated res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.04320","kind":"arxiv","version":2},"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/2512.04320/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":"2026-05-26T01:02:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6WtqGfbyy/I9NgLTYmpOab/5pjy8ZbdV8voEZ1Cn0hHJQvLAfzMlgs1mikx7GVGar8DDCo/KHFEE+BBS8+KhBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:32:00.731607Z"},"content_sha256":"b1ba7d56937ec96a85de4d3d461a2871512737e523b5963ab10ffd954609ab48","schema_version":"1.0","event_id":"sha256:b1ba7d56937ec96a85de4d3d461a2871512737e523b5963ab10ffd954609ab48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5KSPEP4ZHBHGIYYPU5W6BIYYJJ/bundle.json","state_url":"https://pith.science/pith/5KSPEP4ZHBHGIYYPU5W6BIYYJJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5KSPEP4ZHBHGIYYPU5W6BIYYJJ/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":"2026-06-04T15:32:00Z","links":{"resolver":"https://pith.science/pith/5KSPEP4ZHBHGIYYPU5W6BIYYJJ","bundle":"https://pith.science/pith/5KSPEP4ZHBHGIYYPU5W6BIYYJJ/bundle.json","state":"https://pith.science/pith/5KSPEP4ZHBHGIYYPU5W6BIYYJJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5KSPEP4ZHBHGIYYPU5W6BIYYJJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:5KSPEP4ZHBHGIYYPU5W6BIYYJJ","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":"6462b6bd8a2b7a8a5d27a0cc1f688751ec906b5bbd824d111a928aef25ff39e0","cross_cats_sorted":["cs.OS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-03T23:11:02Z","title_canon_sha256":"2acc9c3b05bc825913cda6808f7f78ab9eeb15b813bc2cffabfd6778b35a7dcd"},"schema_version":"1.0","source":{"id":"2512.04320","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.04320","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"arxiv_version","alias_value":"2512.04320v2","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.04320","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"pith_short_12","alias_value":"5KSPEP4ZHBHG","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"pith_short_16","alias_value":"5KSPEP4ZHBHGIYYP","created_at":"2026-05-26T01:02:29Z"},{"alias_kind":"pith_short_8","alias_value":"5KSPEP4Z","created_at":"2026-05-26T01:02:29Z"}],"graph_snapshots":[{"event_id":"sha256:b1ba7d56937ec96a85de4d3d461a2871512737e523b5963ab10ffd954609ab48","target":"graph","created_at":"2026-05-26T01:02:29Z","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/2512.04320/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As the complexity and scale of modern parallel machines continue to grow, programmers increasingly rely on composition of software libraries to encapsulate and exploit parallelism. However, many libraries are not designed with composition in mind and assume they have exclusive access to all resources. Using such libraries concurrently can result in contention and degraded performance. Prior solutions involve modifying the libraries or the OS, which is often infeasible.\n  We propose Virtual Library Contexts (VLCs), which are process subunits that encapsulate sets of libraries and associated res","authors_text":"Arthur Peters, Bozhi You, Christopher J. Rossbach, George Biros, Henrique Fingler, Hochan Lee, Ian Henriksen, Keshav Pingali, Martin Burtscher, Mattan Erez, Milos Gligoric, Sean Stephens, William Ruys, Yineng Yan","cross_cats":["cs.OS"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-03T23:11:02Z","title":"VLCs: Managing Parallelism with Virtualized Libraries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.04320","kind":"arxiv","version":2},"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":"sha256:882fa73724832f7f323595e09ac7c2f41d32123ebcf29536acac0c9178017638","target":"record","created_at":"2026-05-26T01:02:29Z","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":"6462b6bd8a2b7a8a5d27a0cc1f688751ec906b5bbd824d111a928aef25ff39e0","cross_cats_sorted":["cs.OS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-03T23:11:02Z","title_canon_sha256":"2acc9c3b05bc825913cda6808f7f78ab9eeb15b813bc2cffabfd6778b35a7dcd"},"schema_version":"1.0","source":{"id":"2512.04320","kind":"arxiv","version":2}},"canonical_sha256":"eaa4f23f99384e64630fa76de0a3184a79fdf0c75cbf9f8319cefd1d8f3292f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eaa4f23f99384e64630fa76de0a3184a79fdf0c75cbf9f8319cefd1d8f3292f0","first_computed_at":"2026-05-26T01:02:29.558434Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:02:29.558434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FluVwBrmq+fU4CgP2iCbkloFhWJiL+dFGHS5plx6Hr3NGcmcA7JdtoQ+0pq0c/bMgaGhpjyhVMGza23/Eca/AA==","signature_status":"signed_v1","signed_at":"2026-05-26T01:02:29.559163Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.04320","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:882fa73724832f7f323595e09ac7c2f41d32123ebcf29536acac0c9178017638","sha256:b1ba7d56937ec96a85de4d3d461a2871512737e523b5963ab10ffd954609ab48"],"state_sha256":"0043cfe2e403c739359329b005e814484d54ca816d0e84cdd981cd6c465e7543"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mMNowUiBqm4/Ylf8HNnLKBA2bu9/ret6TBtYfGLWIw2i1gvKD7+Kkn+RDvSASiHpyO/CKGwMf7s1nYYi5BgeBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T15:32:00.734003Z","bundle_sha256":"218a290e5284337330fbb03492f216ec8be706c4f12a86104dd37bcba925efaf"}}