{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:FKAAZ6H6QJEYIYI46V2TFKXBTL","short_pith_number":"pith:FKAAZ6H6","canonical_record":{"source":{"id":"2107.06108","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2021-07-13T13:59:04Z","cross_cats_sorted":[],"title_canon_sha256":"a622fe9e8d3804fca94eef2ee496dd6badcd054210bf52b5e7383ad6ccf60caf","abstract_canon_sha256":"0f51288c0960ef7fe141d5adbd09ec59ec457406a9fdaf3bcb2ae98a3334e3c6"},"schema_version":"1.0"},"canonical_sha256":"2a800cf8fe824984611cf57532aae19ac0b86e3d6fa1b58cd3f8eef56a5b5916","source":{"kind":"arxiv","id":"2107.06108","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.06108","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"arxiv_version","alias_value":"2107.06108v2","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.06108","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"pith_short_12","alias_value":"FKAAZ6H6QJEY","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"pith_short_16","alias_value":"FKAAZ6H6QJEYIYI4","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"pith_short_8","alias_value":"FKAAZ6H6","created_at":"2026-07-05T04:06:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:FKAAZ6H6QJEYIYI46V2TFKXBTL","target":"record","payload":{"canonical_record":{"source":{"id":"2107.06108","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2021-07-13T13:59:04Z","cross_cats_sorted":[],"title_canon_sha256":"a622fe9e8d3804fca94eef2ee496dd6badcd054210bf52b5e7383ad6ccf60caf","abstract_canon_sha256":"0f51288c0960ef7fe141d5adbd09ec59ec457406a9fdaf3bcb2ae98a3334e3c6"},"schema_version":"1.0"},"canonical_sha256":"2a800cf8fe824984611cf57532aae19ac0b86e3d6fa1b58cd3f8eef56a5b5916","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:06:44.080167Z","signature_b64":"VWwLgsp+BAvtgth5iZ9DCLDS/U009gb5+j8f26zwLx+MlCnE73v/FHVAxYgl8o/XLQURzOvPva+kXOa/jRnXBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a800cf8fe824984611cf57532aae19ac0b86e3d6fa1b58cd3f8eef56a5b5916","last_reissued_at":"2026-07-05T04:06:44.079751Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:06:44.079751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.06108","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":"2026-07-05T04:06:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KGaawJP1stsvB1ci6SM+CWs6xFxLWGPnHWo402qy0rvolc5/X9mMLimB0bMz+gkHRVuVfV/YH1sB1qB/qjQuCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:23:38.916830Z"},"content_sha256":"30bbfd5601f518bae05213c605e9b65ce78417ec17a7059074d199a0820faa14","schema_version":"1.0","event_id":"sha256:30bbfd5601f518bae05213c605e9b65ce78417ec17a7059074d199a0820faa14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:FKAAZ6H6QJEYIYI46V2TFKXBTL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transitioning from file-based HPC workflows to streaming data pipelines with openPMD and ADIOS2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Ana Gainaru, Axel Huebl, Fabian Koller, Franz Poeschel, Greg Eisenhauer, Juncheng E, Junmin Gu, Lipeng Wan, Michael Bussmann, Norbert Podhorszki, Philip E. Davis, Ren\\'e Widera, Scott Klasky, William F. Godoy","submitted_at":"2021-07-13T13:59:04Z","abstract_excerpt":"This paper aims to create a transition path from file-based IO to streaming-based workflows for scientific applications in an HPC environment. By using the openPMP-api, traditional workflows limited by filesystem bottlenecks can be overcome and flexibly extended for in situ analysis. The openPMD-api is a library for the description of scientific data according to the Open Standard for Particle-Mesh Data (openPMD). Its approach towards recent challenges posed by hardware heterogeneity lies in the decoupling of data description in domain sciences, such as plasma physics simulations, from concret"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.06108","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/2107.06108/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":"2026-07-05T04:06:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SZZSjUpjnUbfIhMc3M3RPqryllMu16fvSK6iooa55cJgA31QOP5qgbNBzkUGiMCVX1yGBAg2/sWlFY6Ba4UyAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:23:38.917585Z"},"content_sha256":"e472d56de0386a54db2d70150ea8b7828f8b9124f34bc2443bcdad0de2f26a9f","schema_version":"1.0","event_id":"sha256:e472d56de0386a54db2d70150ea8b7828f8b9124f34bc2443bcdad0de2f26a9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FKAAZ6H6QJEYIYI46V2TFKXBTL/bundle.json","state_url":"https://pith.science/pith/FKAAZ6H6QJEYIYI46V2TFKXBTL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FKAAZ6H6QJEYIYI46V2TFKXBTL/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":"2026-08-03T21:23:38Z","links":{"resolver":"https://pith.science/pith/FKAAZ6H6QJEYIYI46V2TFKXBTL","bundle":"https://pith.science/pith/FKAAZ6H6QJEYIYI46V2TFKXBTL/bundle.json","state":"https://pith.science/pith/FKAAZ6H6QJEYIYI46V2TFKXBTL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FKAAZ6H6QJEYIYI46V2TFKXBTL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:FKAAZ6H6QJEYIYI46V2TFKXBTL","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":"0f51288c0960ef7fe141d5adbd09ec59ec457406a9fdaf3bcb2ae98a3334e3c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2021-07-13T13:59:04Z","title_canon_sha256":"a622fe9e8d3804fca94eef2ee496dd6badcd054210bf52b5e7383ad6ccf60caf"},"schema_version":"1.0","source":{"id":"2107.06108","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.06108","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"arxiv_version","alias_value":"2107.06108v2","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.06108","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"pith_short_12","alias_value":"FKAAZ6H6QJEY","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"pith_short_16","alias_value":"FKAAZ6H6QJEYIYI4","created_at":"2026-07-05T04:06:44Z"},{"alias_kind":"pith_short_8","alias_value":"FKAAZ6H6","created_at":"2026-07-05T04:06:44Z"}],"graph_snapshots":[{"event_id":"sha256:e472d56de0386a54db2d70150ea8b7828f8b9124f34bc2443bcdad0de2f26a9f","target":"graph","created_at":"2026-07-05T04:06:44Z","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/2107.06108/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper aims to create a transition path from file-based IO to streaming-based workflows for scientific applications in an HPC environment. By using the openPMP-api, traditional workflows limited by filesystem bottlenecks can be overcome and flexibly extended for in situ analysis. The openPMD-api is a library for the description of scientific data according to the Open Standard for Particle-Mesh Data (openPMD). Its approach towards recent challenges posed by hardware heterogeneity lies in the decoupling of data description in domain sciences, such as plasma physics simulations, from concret","authors_text":"Ana Gainaru, Axel Huebl, Fabian Koller, Franz Poeschel, Greg Eisenhauer, Juncheng E, Junmin Gu, Lipeng Wan, Michael Bussmann, Norbert Podhorszki, Philip E. Davis, Ren\\'e Widera, Scott Klasky, William F. Godoy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2021-07-13T13:59:04Z","title":"Transitioning from file-based HPC workflows to streaming data pipelines with openPMD and ADIOS2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.06108","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":"sha256:30bbfd5601f518bae05213c605e9b65ce78417ec17a7059074d199a0820faa14","target":"record","created_at":"2026-07-05T04:06:44Z","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":"0f51288c0960ef7fe141d5adbd09ec59ec457406a9fdaf3bcb2ae98a3334e3c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2021-07-13T13:59:04Z","title_canon_sha256":"a622fe9e8d3804fca94eef2ee496dd6badcd054210bf52b5e7383ad6ccf60caf"},"schema_version":"1.0","source":{"id":"2107.06108","kind":"arxiv","version":2}},"canonical_sha256":"2a800cf8fe824984611cf57532aae19ac0b86e3d6fa1b58cd3f8eef56a5b5916","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a800cf8fe824984611cf57532aae19ac0b86e3d6fa1b58cd3f8eef56a5b5916","first_computed_at":"2026-07-05T04:06:44.079751Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:06:44.079751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VWwLgsp+BAvtgth5iZ9DCLDS/U009gb5+j8f26zwLx+MlCnE73v/FHVAxYgl8o/XLQURzOvPva+kXOa/jRnXBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:06:44.080167Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.06108","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30bbfd5601f518bae05213c605e9b65ce78417ec17a7059074d199a0820faa14","sha256:e472d56de0386a54db2d70150ea8b7828f8b9124f34bc2443bcdad0de2f26a9f"],"state_sha256":"35793b0988b6ef20057e5fa12062a40fc3761049c5e7ca0a800721ff7df0fe15"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bjarEGeZ7nuQYlhS7QFmFOEO3OzQ35KQXXcWzN2kIcNmz52dcdXN2ntEIK/Iy/moY5BmW8++wchG8rMiIJXRDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:23:38.923902Z","bundle_sha256":"a90138b61c117aa01fb7e7b8bdef7a26971c9163d69a54b57d743ec4746d0c14"}}