{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:GINFJP3LWLJSWI5Z2GOEBHQ4WY","short_pith_number":"pith:GINFJP3L","canonical_record":{"source":{"id":"1511.04217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-11-13T09:57:22Z","cross_cats_sorted":[],"title_canon_sha256":"7f392117a7a3faac226b89a6ff9aa1386ddb7106a5aee96629247d2a83c07c17","abstract_canon_sha256":"cabfac8831a4d92b2d4e1c3eabec9b4f954383767457ee8d4e305d50575d09bc"},"schema_version":"1.0"},"canonical_sha256":"321a54bf6bb2d32b23b9d19c409e1cb6183a1643960cc3d323ac9470c14f88d7","source":{"kind":"arxiv","id":"1511.04217","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04217","created_at":"2026-05-18T01:26:59Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04217v1","created_at":"2026-05-18T01:26:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04217","created_at":"2026-05-18T01:26:59Z"},{"alias_kind":"pith_short_12","alias_value":"GINFJP3LWLJS","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GINFJP3LWLJSWI5Z","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GINFJP3L","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:GINFJP3LWLJSWI5Z2GOEBHQ4WY","target":"record","payload":{"canonical_record":{"source":{"id":"1511.04217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-11-13T09:57:22Z","cross_cats_sorted":[],"title_canon_sha256":"7f392117a7a3faac226b89a6ff9aa1386ddb7106a5aee96629247d2a83c07c17","abstract_canon_sha256":"cabfac8831a4d92b2d4e1c3eabec9b4f954383767457ee8d4e305d50575d09bc"},"schema_version":"1.0"},"canonical_sha256":"321a54bf6bb2d32b23b9d19c409e1cb6183a1643960cc3d323ac9470c14f88d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:59.411505Z","signature_b64":"h+p68ukgXMIq15DIQIYKRhrnYg0QuNR+ycjkQ+O4AhoT0LTQ4Etxr1q/QF20BTvjCd2iV7AG1eWl0NdRSmzYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"321a54bf6bb2d32b23b9d19c409e1cb6183a1643960cc3d323ac9470c14f88d7","last_reissued_at":"2026-05-18T01:26:59.410964Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:59.410964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.04217","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":"2026-05-18T01:26:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ErR+bGHi/sr2ukW+Dpbwc8h1ZIIriX9JQrnGogdksUMIu70OwHcLwcHc6MvSC+AH9W4BEmMKVMYNSSk7030Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T17:18:45.438665Z"},"content_sha256":"9ec5b11a5959d45ce1eae797b869c8255f47ee2fe9e77ea9f6b7d7b3412c4956","schema_version":"1.0","event_id":"sha256:9ec5b11a5959d45ce1eae797b869c8255f47ee2fe9e77ea9f6b7d7b3412c4956"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:GINFJP3LWLJSWI5Z2GOEBHQ4WY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Survey on Reproducibility in Parallel Computing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Sascha Hunold","submitted_at":"2015-11-13T09:57:22Z","abstract_excerpt":"We summarize the results of a survey on reproducibility in parallel computing, which was conducted during the Euro-Par conference in August 2015. The survey form was handed out to all participants of the conference and the workshops. The questionnaire, which specifically targeted the parallel computing community, contained questions in four different categories: general questions on reproducibility, the current state of reproducibility, the reproducibility of the participants' own papers, and questions about the participants' familiarity with tools, software, or open-source software licenses u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04217","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":"2026-05-18T01:26:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ojKNVVL22XwYfRUDE2tKyTJet9yFN4twpbrm4JigOzoV2Q4L4o5z9pH+tpgUprce25u5zI8NgBn76WcUYroAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T17:18:45.439009Z"},"content_sha256":"00dcf4c81cd4b244b3709d3db97444a59dab7da3ae3a663c0f36e182f51b4403","schema_version":"1.0","event_id":"sha256:00dcf4c81cd4b244b3709d3db97444a59dab7da3ae3a663c0f36e182f51b4403"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GINFJP3LWLJSWI5Z2GOEBHQ4WY/bundle.json","state_url":"https://pith.science/pith/GINFJP3LWLJSWI5Z2GOEBHQ4WY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GINFJP3LWLJSWI5Z2GOEBHQ4WY/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":"2026-06-24T17:18:45Z","links":{"resolver":"https://pith.science/pith/GINFJP3LWLJSWI5Z2GOEBHQ4WY","bundle":"https://pith.science/pith/GINFJP3LWLJSWI5Z2GOEBHQ4WY/bundle.json","state":"https://pith.science/pith/GINFJP3LWLJSWI5Z2GOEBHQ4WY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GINFJP3LWLJSWI5Z2GOEBHQ4WY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GINFJP3LWLJSWI5Z2GOEBHQ4WY","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":"cabfac8831a4d92b2d4e1c3eabec9b4f954383767457ee8d4e305d50575d09bc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-11-13T09:57:22Z","title_canon_sha256":"7f392117a7a3faac226b89a6ff9aa1386ddb7106a5aee96629247d2a83c07c17"},"schema_version":"1.0","source":{"id":"1511.04217","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04217","created_at":"2026-05-18T01:26:59Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04217v1","created_at":"2026-05-18T01:26:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04217","created_at":"2026-05-18T01:26:59Z"},{"alias_kind":"pith_short_12","alias_value":"GINFJP3LWLJS","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GINFJP3LWLJSWI5Z","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GINFJP3L","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:00dcf4c81cd4b244b3709d3db97444a59dab7da3ae3a663c0f36e182f51b4403","target":"graph","created_at":"2026-05-18T01:26:59Z","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":"We summarize the results of a survey on reproducibility in parallel computing, which was conducted during the Euro-Par conference in August 2015. The survey form was handed out to all participants of the conference and the workshops. The questionnaire, which specifically targeted the parallel computing community, contained questions in four different categories: general questions on reproducibility, the current state of reproducibility, the reproducibility of the participants' own papers, and questions about the participants' familiarity with tools, software, or open-source software licenses u","authors_text":"Sascha Hunold","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-11-13T09:57:22Z","title":"A Survey on Reproducibility in Parallel Computing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04217","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":"sha256:9ec5b11a5959d45ce1eae797b869c8255f47ee2fe9e77ea9f6b7d7b3412c4956","target":"record","created_at":"2026-05-18T01:26:59Z","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":"cabfac8831a4d92b2d4e1c3eabec9b4f954383767457ee8d4e305d50575d09bc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-11-13T09:57:22Z","title_canon_sha256":"7f392117a7a3faac226b89a6ff9aa1386ddb7106a5aee96629247d2a83c07c17"},"schema_version":"1.0","source":{"id":"1511.04217","kind":"arxiv","version":1}},"canonical_sha256":"321a54bf6bb2d32b23b9d19c409e1cb6183a1643960cc3d323ac9470c14f88d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"321a54bf6bb2d32b23b9d19c409e1cb6183a1643960cc3d323ac9470c14f88d7","first_computed_at":"2026-05-18T01:26:59.410964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:59.410964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h+p68ukgXMIq15DIQIYKRhrnYg0QuNR+ycjkQ+O4AhoT0LTQ4Etxr1q/QF20BTvjCd2iV7AG1eWl0NdRSmzYCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:59.411505Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.04217","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ec5b11a5959d45ce1eae797b869c8255f47ee2fe9e77ea9f6b7d7b3412c4956","sha256:00dcf4c81cd4b244b3709d3db97444a59dab7da3ae3a663c0f36e182f51b4403"],"state_sha256":"43136a88b32f1caeba648450391ab562c09bb9fd5205b0d704a10cb38514ab80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"54o+J/CGS4Kkv7c1sArs4/qB6LgVZgf2blyM8qFIqXNwU91Ot3/AGESwng6vlj3neZp52kS8kQpVaT1T3IYcDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T17:18:45.440991Z","bundle_sha256":"ececb690740115c8f58f28a51c7fdbc01a16d57759333c217dfad6651d4bfc07"}}