{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KE2SQQZKO24WDVZN7O6KFZWJYE","short_pith_number":"pith:KE2SQQZK","canonical_record":{"source":{"id":"2310.20374","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-31T11:35:12Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","physics.comp-ph","physics.space-ph"],"title_canon_sha256":"aa876b7310276fab4509458b1f6672d735b9401458517b4344f4b61b5ed91da1","abstract_canon_sha256":"e6346dec6beeab8793424a096b8dc4e9a48b52635a79f770c3b2b5e3331b5c0a"},"schema_version":"1.0"},"canonical_sha256":"513528432a76b961d72dfbbca2e6c9c129e4071c33106921a52f7735b902f642","source":{"kind":"arxiv","id":"2310.20374","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.20374","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"arxiv_version","alias_value":"2310.20374v3","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.20374","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"pith_short_12","alias_value":"KE2SQQZKO24W","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"pith_short_16","alias_value":"KE2SQQZKO24WDVZN","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"pith_short_8","alias_value":"KE2SQQZK","created_at":"2026-07-05T08:00:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KE2SQQZKO24WDVZN7O6KFZWJYE","target":"record","payload":{"canonical_record":{"source":{"id":"2310.20374","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-31T11:35:12Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","physics.comp-ph","physics.space-ph"],"title_canon_sha256":"aa876b7310276fab4509458b1f6672d735b9401458517b4344f4b61b5ed91da1","abstract_canon_sha256":"e6346dec6beeab8793424a096b8dc4e9a48b52635a79f770c3b2b5e3331b5c0a"},"schema_version":"1.0"},"canonical_sha256":"513528432a76b961d72dfbbca2e6c9c129e4071c33106921a52f7735b902f642","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:00:37.535829Z","signature_b64":"1Xgo8ROjGfMGkR0u0GnOztH001X9vHD2hFFjdxqVNycyXIzCg/nAFnpZqSAUPXPergEH50/z9HN3wE9IFoobBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"513528432a76b961d72dfbbca2e6c9c129e4071c33106921a52f7735b902f642","last_reissued_at":"2026-07-05T08:00:37.535325Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:00:37.535325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.20374","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:00:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"giUmALi4yR9nipkPH4ZORLbIFRVK/IZtFfhd7PfKOT8lOsG+++60JuGkLZ4Si/NPnFE0Mvp1ijiUZMlbQZgJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T14:32:22.502333Z"},"content_sha256":"d2d15223c66bc85cd3d2e9509056acd0feaad45632c1a67d0c8d848589058902","schema_version":"1.0","event_id":"sha256:d2d15223c66bc85cd3d2e9509056acd0feaad45632c1a67d0c8d848589058902"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KE2SQQZKO24WDVZN7O6KFZWJYE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ncorpi$\\mathcal{O}$N : A $\\mathcal{O}(N)$ software for N-body integration in collisional and fragmenting systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM","astro-ph.SR","physics.comp-ph","physics.space-ph"],"primary_cat":"astro-ph.EP","authors_text":"Alice C. Quillen, J\\'er\\'emy Couturier, Miki Nakajima","submitted_at":"2023-10-31T11:35:12Z","abstract_excerpt":"Ncorpi$\\mathcal{O}$N is a $N$-body software developed for the time-efficient integration of collisional and fragmenting systems of planetesimals or moonlets orbiting a central mass. It features a fragmentation model, based on crater scaling and ejecta models, able to realistically simulate a violent impact. The user of Ncorpi$\\mathcal{O}$N can choose between four different built-in modules to compute self-gravity and detect collisions. One of these makes use of a mesh-based algorithm to treat mutual interactions in $\\mathcal{O}(N)$ time. Another module, much more efficient than the standard Ba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.20374","kind":"arxiv","version":3},"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/2310.20374/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":"2026-07-05T08:00:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p3vbRhrU0cMbRzMvwT9cifaqRaXSd8E19/X+NkJuoDmvFdbh7nxQOS/t64Gz2Pdo/ouQr1DlEGmsUbsZPaJRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T14:32:22.502840Z"},"content_sha256":"30caa2ee5094a31010a8da1f48424b53afe3b893dd1cbc4199616fa3a79b7933","schema_version":"1.0","event_id":"sha256:30caa2ee5094a31010a8da1f48424b53afe3b893dd1cbc4199616fa3a79b7933"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KE2SQQZKO24WDVZN7O6KFZWJYE/bundle.json","state_url":"https://pith.science/pith/KE2SQQZKO24WDVZN7O6KFZWJYE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KE2SQQZKO24WDVZN7O6KFZWJYE/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":"2026-08-23T14:32:22Z","links":{"resolver":"https://pith.science/pith/KE2SQQZKO24WDVZN7O6KFZWJYE","bundle":"https://pith.science/pith/KE2SQQZKO24WDVZN7O6KFZWJYE/bundle.json","state":"https://pith.science/pith/KE2SQQZKO24WDVZN7O6KFZWJYE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KE2SQQZKO24WDVZN7O6KFZWJYE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KE2SQQZKO24WDVZN7O6KFZWJYE","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":"e6346dec6beeab8793424a096b8dc4e9a48b52635a79f770c3b2b5e3331b5c0a","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","physics.comp-ph","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-31T11:35:12Z","title_canon_sha256":"aa876b7310276fab4509458b1f6672d735b9401458517b4344f4b61b5ed91da1"},"schema_version":"1.0","source":{"id":"2310.20374","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.20374","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"arxiv_version","alias_value":"2310.20374v3","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.20374","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"pith_short_12","alias_value":"KE2SQQZKO24W","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"pith_short_16","alias_value":"KE2SQQZKO24WDVZN","created_at":"2026-07-05T08:00:37Z"},{"alias_kind":"pith_short_8","alias_value":"KE2SQQZK","created_at":"2026-07-05T08:00:37Z"}],"graph_snapshots":[{"event_id":"sha256:30caa2ee5094a31010a8da1f48424b53afe3b893dd1cbc4199616fa3a79b7933","target":"graph","created_at":"2026-07-05T08:00:37Z","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/2310.20374/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ncorpi$\\mathcal{O}$N is a $N$-body software developed for the time-efficient integration of collisional and fragmenting systems of planetesimals or moonlets orbiting a central mass. It features a fragmentation model, based on crater scaling and ejecta models, able to realistically simulate a violent impact. The user of Ncorpi$\\mathcal{O}$N can choose between four different built-in modules to compute self-gravity and detect collisions. One of these makes use of a mesh-based algorithm to treat mutual interactions in $\\mathcal{O}(N)$ time. Another module, much more efficient than the standard Ba","authors_text":"Alice C. Quillen, J\\'er\\'emy Couturier, Miki Nakajima","cross_cats":["astro-ph.IM","astro-ph.SR","physics.comp-ph","physics.space-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-31T11:35:12Z","title":"Ncorpi$\\mathcal{O}$N : A $\\mathcal{O}(N)$ software for N-body integration in collisional and fragmenting systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.20374","kind":"arxiv","version":3},"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:d2d15223c66bc85cd3d2e9509056acd0feaad45632c1a67d0c8d848589058902","target":"record","created_at":"2026-07-05T08:00:37Z","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":"e6346dec6beeab8793424a096b8dc4e9a48b52635a79f770c3b2b5e3331b5c0a","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","physics.comp-ph","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-31T11:35:12Z","title_canon_sha256":"aa876b7310276fab4509458b1f6672d735b9401458517b4344f4b61b5ed91da1"},"schema_version":"1.0","source":{"id":"2310.20374","kind":"arxiv","version":3}},"canonical_sha256":"513528432a76b961d72dfbbca2e6c9c129e4071c33106921a52f7735b902f642","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"513528432a76b961d72dfbbca2e6c9c129e4071c33106921a52f7735b902f642","first_computed_at":"2026-07-05T08:00:37.535325Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:00:37.535325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1Xgo8ROjGfMGkR0u0GnOztH001X9vHD2hFFjdxqVNycyXIzCg/nAFnpZqSAUPXPergEH50/z9HN3wE9IFoobBg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:00:37.535829Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.20374","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2d15223c66bc85cd3d2e9509056acd0feaad45632c1a67d0c8d848589058902","sha256:30caa2ee5094a31010a8da1f48424b53afe3b893dd1cbc4199616fa3a79b7933"],"state_sha256":"ba1bc89b676348f68dd604299df96478d698fa23e18d3533c87ac4b9126ce86e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y2buaXx9cR2qvtc19uwQuMSYroy2YIfNFc4fOKvnpsknzOawf2g9oMXUi9AvQG916kCNH5zuOYLX/B0rLZ9/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T14:32:22.507540Z","bundle_sha256":"c2137f36cba569bd3106cc397b478aca736ac591d7d94db7d0ca2b348582ff99"}}