{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VSWNIVIKR7PDCNZNF7NDRCNGSX","short_pith_number":"pith:VSWNIVIK","canonical_record":{"source":{"id":"1701.08521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-01-30T09:38:57Z","cross_cats_sorted":["cs.DC","physics.comp-ph"],"title_canon_sha256":"a69e809df5b43624c1dd727c587cafe0ce1195abd6a7b9b49aaca9b29cb62b7a","abstract_canon_sha256":"d3515601bd521af5948c355c63bc1fab6addcda660a32c56c0c69c20df71b396"},"schema_version":"1.0"},"canonical_sha256":"acacd4550a8fde31372d2fda3889a695cdfa4921635a81b870f632ab893f6c3f","source":{"kind":"arxiv","id":"1701.08521","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.08521","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"arxiv_version","alias_value":"1701.08521v1","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.08521","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"pith_short_12","alias_value":"VSWNIVIKR7PD","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VSWNIVIKR7PDCNZN","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VSWNIVIK","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VSWNIVIKR7PDCNZNF7NDRCNGSX","target":"record","payload":{"canonical_record":{"source":{"id":"1701.08521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-01-30T09:38:57Z","cross_cats_sorted":["cs.DC","physics.comp-ph"],"title_canon_sha256":"a69e809df5b43624c1dd727c587cafe0ce1195abd6a7b9b49aaca9b29cb62b7a","abstract_canon_sha256":"d3515601bd521af5948c355c63bc1fab6addcda660a32c56c0c69c20df71b396"},"schema_version":"1.0"},"canonical_sha256":"acacd4550a8fde31372d2fda3889a695cdfa4921635a81b870f632ab893f6c3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:53.834736Z","signature_b64":"SibwmGsHQAe7kBu+XufSW8bD8nFnlCxmQy1bs94sN8SIcbTfMidKYYbd9HI6UtIms91XWGeQxLFCXrD4OEkfCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acacd4550a8fde31372d2fda3889a695cdfa4921635a81b870f632ab893f6c3f","last_reissued_at":"2026-05-18T00:51:53.833986Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:53.833986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.08521","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":"2026-05-18T00:51:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ic7T9/nWwlvJpKt3yelW2Kyf8Yfx8hqgVs3BJmoahEA+l+P4U9Qhth2f2ToBhS51gnbTc6ei/ZQbLBnnQhN7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T01:22:29.600258Z"},"content_sha256":"9b9a9595a212fd8420b2b4126b43776c5f186e1e2d8c36d432531b79b1a8d985","schema_version":"1.0","event_id":"sha256:9b9a9595a212fd8420b2b4126b43776c5f186e1e2d8c36d432531b79b1a8d985"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VSWNIVIKR7PDCNZNF7NDRCNGSX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"pMR: A high-performance communication library","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","physics.comp-ph"],"primary_cat":"hep-lat","authors_text":"Daniel Richtmann, Peter Georg, Tilo Wettig","submitted_at":"2017-01-30T09:38:57Z","abstract_excerpt":"On many parallel machines, the time LQCD applications spent in communication is a significant contribution to the total wall-clock time, especially in the strong-scaling limit. We present a novel high-performance communication library that can be used as a de facto drop-in replacement for MPI in existing software. Its lightweight nature that avoids some of the unnecessary overhead introduced by MPI allows us to improve the communication performance of applications without any algorithmic or complicated implementation changes. As a first real-world benchmark, we make use of the pMR library in t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.08521","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":"2026-05-18T00:51:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VWp3AWY2TPjWqDr1U0AyeKn5VTjN/9V0hRSXFFi/aM29Lh/gnBXruynlFKJavP/So266VUKyuFEBS4PaUT4aCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T01:22:29.600626Z"},"content_sha256":"1ce064b6e7e5025cc4d0012b35302f102dd49767444e383a8311527e8aa7c500","schema_version":"1.0","event_id":"sha256:1ce064b6e7e5025cc4d0012b35302f102dd49767444e383a8311527e8aa7c500"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VSWNIVIKR7PDCNZNF7NDRCNGSX/bundle.json","state_url":"https://pith.science/pith/VSWNIVIKR7PDCNZNF7NDRCNGSX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VSWNIVIKR7PDCNZNF7NDRCNGSX/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":"2026-06-04T01:22:29Z","links":{"resolver":"https://pith.science/pith/VSWNIVIKR7PDCNZNF7NDRCNGSX","bundle":"https://pith.science/pith/VSWNIVIKR7PDCNZNF7NDRCNGSX/bundle.json","state":"https://pith.science/pith/VSWNIVIKR7PDCNZNF7NDRCNGSX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VSWNIVIKR7PDCNZNF7NDRCNGSX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VSWNIVIKR7PDCNZNF7NDRCNGSX","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":"d3515601bd521af5948c355c63bc1fab6addcda660a32c56c0c69c20df71b396","cross_cats_sorted":["cs.DC","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-01-30T09:38:57Z","title_canon_sha256":"a69e809df5b43624c1dd727c587cafe0ce1195abd6a7b9b49aaca9b29cb62b7a"},"schema_version":"1.0","source":{"id":"1701.08521","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.08521","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"arxiv_version","alias_value":"1701.08521v1","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.08521","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"pith_short_12","alias_value":"VSWNIVIKR7PD","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VSWNIVIKR7PDCNZN","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VSWNIVIK","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:1ce064b6e7e5025cc4d0012b35302f102dd49767444e383a8311527e8aa7c500","target":"graph","created_at":"2026-05-18T00:51:53Z","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":"On many parallel machines, the time LQCD applications spent in communication is a significant contribution to the total wall-clock time, especially in the strong-scaling limit. We present a novel high-performance communication library that can be used as a de facto drop-in replacement for MPI in existing software. Its lightweight nature that avoids some of the unnecessary overhead introduced by MPI allows us to improve the communication performance of applications without any algorithmic or complicated implementation changes. As a first real-world benchmark, we make use of the pMR library in t","authors_text":"Daniel Richtmann, Peter Georg, Tilo Wettig","cross_cats":["cs.DC","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-01-30T09:38:57Z","title":"pMR: A high-performance communication library"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.08521","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":"sha256:9b9a9595a212fd8420b2b4126b43776c5f186e1e2d8c36d432531b79b1a8d985","target":"record","created_at":"2026-05-18T00:51:53Z","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":"d3515601bd521af5948c355c63bc1fab6addcda660a32c56c0c69c20df71b396","cross_cats_sorted":["cs.DC","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-01-30T09:38:57Z","title_canon_sha256":"a69e809df5b43624c1dd727c587cafe0ce1195abd6a7b9b49aaca9b29cb62b7a"},"schema_version":"1.0","source":{"id":"1701.08521","kind":"arxiv","version":1}},"canonical_sha256":"acacd4550a8fde31372d2fda3889a695cdfa4921635a81b870f632ab893f6c3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acacd4550a8fde31372d2fda3889a695cdfa4921635a81b870f632ab893f6c3f","first_computed_at":"2026-05-18T00:51:53.833986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:53.833986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SibwmGsHQAe7kBu+XufSW8bD8nFnlCxmQy1bs94sN8SIcbTfMidKYYbd9HI6UtIms91XWGeQxLFCXrD4OEkfCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:53.834736Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.08521","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b9a9595a212fd8420b2b4126b43776c5f186e1e2d8c36d432531b79b1a8d985","sha256:1ce064b6e7e5025cc4d0012b35302f102dd49767444e383a8311527e8aa7c500"],"state_sha256":"90b5e9ea251083d6558c5ef28753071c5f450e7bd96c302f1583cfc7e509896d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgbTS3iXKl8PQstIu09dda82jEu/rR0c+npWyvzNH+S8IbfWtycY4OY1EpGuseBG0FpJzVFiuHeOy9x22KYYCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T01:22:29.602570Z","bundle_sha256":"d967a840b00541a96a615457921962f2f1ed8ecfcab093588f2edf0ffcf3707e"}}