{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KGGXWRZCRUCPJJNDDTQT6O3STD","short_pith_number":"pith:KGGXWRZC","canonical_record":{"source":{"id":"2607.20639","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-22T18:10:13Z","cross_cats_sorted":["cs.DC","physics.comp-ph"],"title_canon_sha256":"1ad7fef596af1d0616159df89e205ddd25e3be3bfc0bc812c86e167669bfe07b","abstract_canon_sha256":"a7793cc3a2fe3464f5002ca8bac36095612439175a6c19e4cc058e2001153125"},"schema_version":"1.0"},"canonical_sha256":"518d7b47228d04f4a5a31ce13f3b7298fae41d789900638f250715750d41a73c","source":{"kind":"arxiv","id":"2607.20639","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20639","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20639v1","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20639","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"pith_short_12","alias_value":"KGGXWRZCRUCP","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"pith_short_16","alias_value":"KGGXWRZCRUCPJJND","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"pith_short_8","alias_value":"KGGXWRZC","created_at":"2026-07-24T00:23:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KGGXWRZCRUCPJJNDDTQT6O3STD","target":"record","payload":{"canonical_record":{"source":{"id":"2607.20639","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-22T18:10:13Z","cross_cats_sorted":["cs.DC","physics.comp-ph"],"title_canon_sha256":"1ad7fef596af1d0616159df89e205ddd25e3be3bfc0bc812c86e167669bfe07b","abstract_canon_sha256":"a7793cc3a2fe3464f5002ca8bac36095612439175a6c19e4cc058e2001153125"},"schema_version":"1.0"},"canonical_sha256":"518d7b47228d04f4a5a31ce13f3b7298fae41d789900638f250715750d41a73c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-24T00:23:27.086526Z","signature_b64":"4MGyGrYSHNcdZcU52II+raseIB7IQvTUgN6gN5DzLDuNUSg968HV4CaYRVCfxYDoNW3xv2hZ8Yghgh8WYrlTBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"518d7b47228d04f4a5a31ce13f3b7298fae41d789900638f250715750d41a73c","last_reissued_at":"2026-07-24T00:23:27.085661Z","signature_status":"signed_v1","first_computed_at":"2026-07-24T00:23:27.085661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.20639","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":"2026-07-24T00:23:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qv1Ic5VtgzjHJdzAWGLQPonnSE/8st035XksVqEA5qi8RgcaCvVKq40NXBh+bqET/8jyFJBWvBK3mAe77ecMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T16:08:13.050617Z"},"content_sha256":"9ded215ed24cd4598a5d0085f5f9543895656cb739b7215bb2fd8d0d9aa73a8d","schema_version":"1.0","event_id":"sha256:9ded215ed24cd4598a5d0085f5f9543895656cb739b7215bb2fd8d0d9aa73a8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KGGXWRZCRUCPJJNDDTQT6O3STD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"STORM: RDMA-based Monte Carlo Transport Scheme for Distributed-Memory Particle Simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.DC","physics.comp-ph"],"primary_cat":"astro-ph.IM","authors_text":"Barak Raveh, Elad Steinberg, Maor Mizrachi","submitted_at":"2026-07-22T18:10:13Z","abstract_excerpt":"Monte Carlo particle transport enables high-fidelity astrophysical radiation and neutrino simulations - from core-collapse supernovae and neutron-star mergers to accretion flows - by handling multidimensional geometries, frequency dependence, and moving media without angular discretization. However, inter-rank communication limits scalability on unstructured meshes: standard two-sided MPI requires receivers to post receives and poll completions, creating per-iteration progress overhead that grows with the number of communication partners. Such problems have not demonstrated high scaling effici"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20639","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.20639/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":"2026-07-24T00:23:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"piafa92qv0Q4fdcurF+KjcvL3m/87qpZAiCAgKTWQrpbv1a4IAJ92MsLK+Sz8I+fNi8hmOJl1l9wlEZw4rWOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T16:08:13.051186Z"},"content_sha256":"7a466a7fe24fe4cc713f056864652b74dfccf96351a2e7d24aa8d438f44b683f","schema_version":"1.0","event_id":"sha256:7a466a7fe24fe4cc713f056864652b74dfccf96351a2e7d24aa8d438f44b683f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KGGXWRZCRUCPJJNDDTQT6O3STD/bundle.json","state_url":"https://pith.science/pith/KGGXWRZCRUCPJJNDDTQT6O3STD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KGGXWRZCRUCPJJNDDTQT6O3STD/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":"2026-08-22T16:08:13Z","links":{"resolver":"https://pith.science/pith/KGGXWRZCRUCPJJNDDTQT6O3STD","bundle":"https://pith.science/pith/KGGXWRZCRUCPJJNDDTQT6O3STD/bundle.json","state":"https://pith.science/pith/KGGXWRZCRUCPJJNDDTQT6O3STD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KGGXWRZCRUCPJJNDDTQT6O3STD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KGGXWRZCRUCPJJNDDTQT6O3STD","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":"a7793cc3a2fe3464f5002ca8bac36095612439175a6c19e4cc058e2001153125","cross_cats_sorted":["cs.DC","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-22T18:10:13Z","title_canon_sha256":"1ad7fef596af1d0616159df89e205ddd25e3be3bfc0bc812c86e167669bfe07b"},"schema_version":"1.0","source":{"id":"2607.20639","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20639","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20639v1","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20639","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"pith_short_12","alias_value":"KGGXWRZCRUCP","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"pith_short_16","alias_value":"KGGXWRZCRUCPJJND","created_at":"2026-07-24T00:23:27Z"},{"alias_kind":"pith_short_8","alias_value":"KGGXWRZC","created_at":"2026-07-24T00:23:27Z"}],"graph_snapshots":[{"event_id":"sha256:7a466a7fe24fe4cc713f056864652b74dfccf96351a2e7d24aa8d438f44b683f","target":"graph","created_at":"2026-07-24T00:23:27Z","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/2607.20639/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Monte Carlo particle transport enables high-fidelity astrophysical radiation and neutrino simulations - from core-collapse supernovae and neutron-star mergers to accretion flows - by handling multidimensional geometries, frequency dependence, and moving media without angular discretization. However, inter-rank communication limits scalability on unstructured meshes: standard two-sided MPI requires receivers to post receives and poll completions, creating per-iteration progress overhead that grows with the number of communication partners. Such problems have not demonstrated high scaling effici","authors_text":"Barak Raveh, Elad Steinberg, Maor Mizrachi","cross_cats":["cs.DC","physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-22T18:10:13Z","title":"STORM: RDMA-based Monte Carlo Transport Scheme for Distributed-Memory Particle Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20639","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":"sha256:9ded215ed24cd4598a5d0085f5f9543895656cb739b7215bb2fd8d0d9aa73a8d","target":"record","created_at":"2026-07-24T00:23:27Z","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":"a7793cc3a2fe3464f5002ca8bac36095612439175a6c19e4cc058e2001153125","cross_cats_sorted":["cs.DC","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-22T18:10:13Z","title_canon_sha256":"1ad7fef596af1d0616159df89e205ddd25e3be3bfc0bc812c86e167669bfe07b"},"schema_version":"1.0","source":{"id":"2607.20639","kind":"arxiv","version":1}},"canonical_sha256":"518d7b47228d04f4a5a31ce13f3b7298fae41d789900638f250715750d41a73c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"518d7b47228d04f4a5a31ce13f3b7298fae41d789900638f250715750d41a73c","first_computed_at":"2026-07-24T00:23:27.085661Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T00:23:27.085661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4MGyGrYSHNcdZcU52II+raseIB7IQvTUgN6gN5DzLDuNUSg968HV4CaYRVCfxYDoNW3xv2hZ8Yghgh8WYrlTBw==","signature_status":"signed_v1","signed_at":"2026-07-24T00:23:27.086526Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20639","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ded215ed24cd4598a5d0085f5f9543895656cb739b7215bb2fd8d0d9aa73a8d","sha256:7a466a7fe24fe4cc713f056864652b74dfccf96351a2e7d24aa8d438f44b683f"],"state_sha256":"b0b0d2d6bc260a314ef45a93cb4ebb197266040d7dc392f6636412185ea03bc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vp8KiXRa2YbWeV0wqZXKzBm8WOjakQT10uLsbWUp9NEY5qsVKV0PsndWDdkX5W8gYQraEmzRS8RSyx8hbhOhDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T16:08:13.056397Z","bundle_sha256":"c713257a826fa80c86264dbaebfe198bde919382b5eeac0cc154af879c7bf2d2"}}