{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:ED347ECTVJLK67AZDTOGQHCYUS","short_pith_number":"pith:ED347ECT","canonical_record":{"source":{"id":"astro-ph/0402160","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T15:03:53Z","cross_cats_sorted":[],"title_canon_sha256":"20c69cfafceb9bda22e2fbb2c87c7a2e29364514dd1e694b3a91d4accc9d6b0b","abstract_canon_sha256":"a3806b4ab60fd077a2df873e75f51135150f3eec608037300963490e0191f679"},"schema_version":"1.0"},"canonical_sha256":"20f7cf9053aa56af7c191cdc681c58a4bf455c7c2537fac6825991e5b6dfaf21","source":{"kind":"arxiv","id":"astro-ph/0402160","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0402160","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0402160v4","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0402160","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"pith_short_12","alias_value":"ED347ECTVJLK","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"pith_short_16","alias_value":"ED347ECTVJLK67AZ","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"pith_short_8","alias_value":"ED347ECT","created_at":"2026-07-04T16:42:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:ED347ECTVJLK67AZDTOGQHCYUS","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0402160","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T15:03:53Z","cross_cats_sorted":[],"title_canon_sha256":"20c69cfafceb9bda22e2fbb2c87c7a2e29364514dd1e694b3a91d4accc9d6b0b","abstract_canon_sha256":"a3806b4ab60fd077a2df873e75f51135150f3eec608037300963490e0191f679"},"schema_version":"1.0"},"canonical_sha256":"20f7cf9053aa56af7c191cdc681c58a4bf455c7c2537fac6825991e5b6dfaf21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:42:59.343539Z","signature_b64":"lmbiuN9pqBSlU2rxdDFRB6NpfIgeTZSLa9uzEKdi+mCiFtJw+hH3c3Fb19YNroNeWSYfHpHzF36p3ckPgK8RDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20f7cf9053aa56af7c191cdc681c58a4bf455c7c2537fac6825991e5b6dfaf21","last_reissued_at":"2026-07-04T16:42:59.343083Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:42:59.343083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0402160","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:42:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iA0Dvv7qdzDlNCfa/2QtneHWf/u5dqSA6+siFiA1xQQNXv16M0yZe/Ipei4DMTkX9G6QFnj+QRsId/OoLeqJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T22:16:53.579686Z"},"content_sha256":"33ec2e5642a109def415437101d01b579af7e54966d49fae12ba74e6a24eb861","schema_version":"1.0","event_id":"sha256:33ec2e5642a109def415437101d01b579af7e54966d49fae12ba74e6a24eb861"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:ED347ECTVJLK67AZDTOGQHCYUS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Velocity and spatial biases in CDM subhalo distributions","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ben Moore, Joachim Stadel (University of Zurich), Juerg Diemand","submitted_at":"2004-02-09T15:03:53Z","abstract_excerpt":"We present a statistical study of substructure within a sample of LCDM clusters and galaxies simulated with up to 25 million particles. With thousands of subhalos per object we can accurately measure their spatial clustering and velocity distribution functions and compare these with observational data. The substructure properties of galactic halos closely resembles those of galaxy clusters with a small scatter in the mass and circular velocity functions. The velocity distribution function is non-Maxwellian and flat topped with a negative kurtosis of about -0.7. Within the virial radius the vel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0402160","kind":"arxiv","version":4},"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/astro-ph/0402160/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":"2026-07-04T16:42:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ARwTySNhPqLP1lQG9htmhXECLCMNGPTzhJ0KSiZ68QdfQdUV2Lq3AdYfbjn1ideVc0ICUP+1X4JZKSYHgbXtBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T22:16:53.580687Z"},"content_sha256":"04685a7c750b1a373fb3bec0e28c3fe1319456df3bac59119396bf910e73e4c6","schema_version":"1.0","event_id":"sha256:04685a7c750b1a373fb3bec0e28c3fe1319456df3bac59119396bf910e73e4c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ED347ECTVJLK67AZDTOGQHCYUS/bundle.json","state_url":"https://pith.science/pith/ED347ECTVJLK67AZDTOGQHCYUS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ED347ECTVJLK67AZDTOGQHCYUS/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":"2026-08-07T22:16:53Z","links":{"resolver":"https://pith.science/pith/ED347ECTVJLK67AZDTOGQHCYUS","bundle":"https://pith.science/pith/ED347ECTVJLK67AZDTOGQHCYUS/bundle.json","state":"https://pith.science/pith/ED347ECTVJLK67AZDTOGQHCYUS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ED347ECTVJLK67AZDTOGQHCYUS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:ED347ECTVJLK67AZDTOGQHCYUS","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":"a3806b4ab60fd077a2df873e75f51135150f3eec608037300963490e0191f679","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T15:03:53Z","title_canon_sha256":"20c69cfafceb9bda22e2fbb2c87c7a2e29364514dd1e694b3a91d4accc9d6b0b"},"schema_version":"1.0","source":{"id":"astro-ph/0402160","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0402160","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0402160v4","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0402160","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"pith_short_12","alias_value":"ED347ECTVJLK","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"pith_short_16","alias_value":"ED347ECTVJLK67AZ","created_at":"2026-07-04T16:42:59Z"},{"alias_kind":"pith_short_8","alias_value":"ED347ECT","created_at":"2026-07-04T16:42:59Z"}],"graph_snapshots":[{"event_id":"sha256:04685a7c750b1a373fb3bec0e28c3fe1319456df3bac59119396bf910e73e4c6","target":"graph","created_at":"2026-07-04T16:42:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0402160/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a statistical study of substructure within a sample of LCDM clusters and galaxies simulated with up to 25 million particles. With thousands of subhalos per object we can accurately measure their spatial clustering and velocity distribution functions and compare these with observational data. The substructure properties of galactic halos closely resembles those of galaxy clusters with a small scatter in the mass and circular velocity functions. The velocity distribution function is non-Maxwellian and flat topped with a negative kurtosis of about -0.7. Within the virial radius the vel","authors_text":"Ben Moore, Joachim Stadel (University of Zurich), Juerg Diemand","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T15:03:53Z","title":"Velocity and spatial biases in CDM subhalo distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0402160","kind":"arxiv","version":4},"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":"sha256:33ec2e5642a109def415437101d01b579af7e54966d49fae12ba74e6a24eb861","target":"record","created_at":"2026-07-04T16:42:59Z","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":"a3806b4ab60fd077a2df873e75f51135150f3eec608037300963490e0191f679","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T15:03:53Z","title_canon_sha256":"20c69cfafceb9bda22e2fbb2c87c7a2e29364514dd1e694b3a91d4accc9d6b0b"},"schema_version":"1.0","source":{"id":"astro-ph/0402160","kind":"arxiv","version":4}},"canonical_sha256":"20f7cf9053aa56af7c191cdc681c58a4bf455c7c2537fac6825991e5b6dfaf21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20f7cf9053aa56af7c191cdc681c58a4bf455c7c2537fac6825991e5b6dfaf21","first_computed_at":"2026-07-04T16:42:59.343083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:42:59.343083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lmbiuN9pqBSlU2rxdDFRB6NpfIgeTZSLa9uzEKdi+mCiFtJw+hH3c3Fb19YNroNeWSYfHpHzF36p3ckPgK8RDw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:42:59.343539Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0402160","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33ec2e5642a109def415437101d01b579af7e54966d49fae12ba74e6a24eb861","sha256:04685a7c750b1a373fb3bec0e28c3fe1319456df3bac59119396bf910e73e4c6"],"state_sha256":"d9e31d6dbc4729c1754352f527c0a79cd3e2f886aa7cb80593758e778f669995"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xLYOWzgJMaSkGoexobLb31X6qx3a01kvkdy3DooP5UYbo7OwSXafDUOAdDkTGXsfGpfK3IVOgLduG8Gry6VNAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T22:16:53.586746Z","bundle_sha256":"e98d98d9bc33478f834165ddfe3e8174798ff34ed5f4c6458fd9e826bf8de7cb"}}