{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:7ZK3IQMBAYV4U4MD2EZPNJMIEB","short_pith_number":"pith:7ZK3IQMB","canonical_record":{"source":{"id":"0909.4302","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-24T13:21:11Z","cross_cats_sorted":[],"title_canon_sha256":"4a1e0b84e6bf29fdcdbcf12c56d0908f3f5dbb9fcf8298fc048103c7de323517","abstract_canon_sha256":"440adb3ada2e7d2f013a5a6c75e84cafdd28e09330d80ddebaf0fa7d6757186f"},"schema_version":"1.0"},"canonical_sha256":"fe55b44181062bca7183d132f6a5882063f40181178c6df96ee01c6ef7d6b18d","source":{"kind":"arxiv","id":"0909.4302","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.4302","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"arxiv_version","alias_value":"0909.4302v2","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.4302","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"pith_short_12","alias_value":"7ZK3IQMBAYV4","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7ZK3IQMBAYV4U4MD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7ZK3IQMB","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:7ZK3IQMBAYV4U4MD2EZPNJMIEB","target":"record","payload":{"canonical_record":{"source":{"id":"0909.4302","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-24T13:21:11Z","cross_cats_sorted":[],"title_canon_sha256":"4a1e0b84e6bf29fdcdbcf12c56d0908f3f5dbb9fcf8298fc048103c7de323517","abstract_canon_sha256":"440adb3ada2e7d2f013a5a6c75e84cafdd28e09330d80ddebaf0fa7d6757186f"},"schema_version":"1.0"},"canonical_sha256":"fe55b44181062bca7183d132f6a5882063f40181178c6df96ee01c6ef7d6b18d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:27.903039Z","signature_b64":"uAaLt/+2Yv7JuxvdM6Iqg3Ap3lOQyC4eKN8Hc+z3OxrDoXNGRHEvIImceBoJkoAIY7v6FfQJixqVskTSMT6ZAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe55b44181062bca7183d132f6a5882063f40181178c6df96ee01c6ef7d6b18d","last_reissued_at":"2026-05-18T02:34:27.902420Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:27.902420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.4302","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":"2026-05-18T02:34:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sx9WzBiG9bXgCvbZDYWannFny3eWrQCRbTGrsFXWWJf6I8f2o//ri5bS8ayBxdySNypZx/UKUQ82RUZG5ewKBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:52:55.930252Z"},"content_sha256":"8474f2c9907c38625d463bf8629be2e36865c221ad5898f93eec820b7d4af223","schema_version":"1.0","event_id":"sha256:8474f2c9907c38625d463bf8629be2e36865c221ad5898f93eec820b7d4af223"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:7ZK3IQMBAYV4U4MD2EZPNJMIEB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Assembly bias and the dynamical structure of dark matter halos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andreas Faltenbacher, Simon D. M. White","submitted_at":"2009-09-24T13:21:11Z","abstract_excerpt":"Based on the Millennium Simulation we examine assembly bias for the halo properties: shape, triaxiality, concentration, spin, shape of the velocity ellipsoid and velocity anisotropy. For consistency we determine all these properties using the same set of particles, namely all gravitationally self-bound particles belonging to the most massive sub-structure of a given friends-of-friends halo. We confirm that near-spherical and high-spin halos show enhanced clustering. The opposite is true for strongly aspherical and low-spin halos. Further, below the typical collapse mass, M*, more concentrated "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.4302","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":""},"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":"2026-05-18T02:34:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Zh1fD3ja2o/qLdjU24IaN3ruZQ7noVE4yOPJU8uJEN1NTqP3uR2uut6H0B2FnkVhAq7hMrTH0NuUppYIUmkBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:52:55.931000Z"},"content_sha256":"c2c32e4abda4a17d4aa616ac3fd90b88563a10f6837ce9e1677f7eab0a72041f","schema_version":"1.0","event_id":"sha256:c2c32e4abda4a17d4aa616ac3fd90b88563a10f6837ce9e1677f7eab0a72041f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7ZK3IQMBAYV4U4MD2EZPNJMIEB/bundle.json","state_url":"https://pith.science/pith/7ZK3IQMBAYV4U4MD2EZPNJMIEB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7ZK3IQMBAYV4U4MD2EZPNJMIEB/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":"2026-05-25T08:52:55Z","links":{"resolver":"https://pith.science/pith/7ZK3IQMBAYV4U4MD2EZPNJMIEB","bundle":"https://pith.science/pith/7ZK3IQMBAYV4U4MD2EZPNJMIEB/bundle.json","state":"https://pith.science/pith/7ZK3IQMBAYV4U4MD2EZPNJMIEB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7ZK3IQMBAYV4U4MD2EZPNJMIEB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:7ZK3IQMBAYV4U4MD2EZPNJMIEB","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":"440adb3ada2e7d2f013a5a6c75e84cafdd28e09330d80ddebaf0fa7d6757186f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-24T13:21:11Z","title_canon_sha256":"4a1e0b84e6bf29fdcdbcf12c56d0908f3f5dbb9fcf8298fc048103c7de323517"},"schema_version":"1.0","source":{"id":"0909.4302","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.4302","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"arxiv_version","alias_value":"0909.4302v2","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.4302","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"pith_short_12","alias_value":"7ZK3IQMBAYV4","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7ZK3IQMBAYV4U4MD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7ZK3IQMB","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:c2c32e4abda4a17d4aa616ac3fd90b88563a10f6837ce9e1677f7eab0a72041f","target":"graph","created_at":"2026-05-18T02:34:27Z","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"},"paper":{"abstract_excerpt":"Based on the Millennium Simulation we examine assembly bias for the halo properties: shape, triaxiality, concentration, spin, shape of the velocity ellipsoid and velocity anisotropy. For consistency we determine all these properties using the same set of particles, namely all gravitationally self-bound particles belonging to the most massive sub-structure of a given friends-of-friends halo. We confirm that near-spherical and high-spin halos show enhanced clustering. The opposite is true for strongly aspherical and low-spin halos. Further, below the typical collapse mass, M*, more concentrated ","authors_text":"Andreas Faltenbacher, Simon D. M. White","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-24T13:21:11Z","title":"Assembly bias and the dynamical structure of dark matter halos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.4302","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":"sha256:8474f2c9907c38625d463bf8629be2e36865c221ad5898f93eec820b7d4af223","target":"record","created_at":"2026-05-18T02:34:27Z","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":"440adb3ada2e7d2f013a5a6c75e84cafdd28e09330d80ddebaf0fa7d6757186f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-24T13:21:11Z","title_canon_sha256":"4a1e0b84e6bf29fdcdbcf12c56d0908f3f5dbb9fcf8298fc048103c7de323517"},"schema_version":"1.0","source":{"id":"0909.4302","kind":"arxiv","version":2}},"canonical_sha256":"fe55b44181062bca7183d132f6a5882063f40181178c6df96ee01c6ef7d6b18d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe55b44181062bca7183d132f6a5882063f40181178c6df96ee01c6ef7d6b18d","first_computed_at":"2026-05-18T02:34:27.902420Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:27.902420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uAaLt/+2Yv7JuxvdM6Iqg3Ap3lOQyC4eKN8Hc+z3OxrDoXNGRHEvIImceBoJkoAIY7v6FfQJixqVskTSMT6ZAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:27.903039Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.4302","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8474f2c9907c38625d463bf8629be2e36865c221ad5898f93eec820b7d4af223","sha256:c2c32e4abda4a17d4aa616ac3fd90b88563a10f6837ce9e1677f7eab0a72041f"],"state_sha256":"3f1fa75abecb942f26b7022a67f32685cdb5a1eb16ea7e87517acc0f39328eea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/rVIf07g4OnoVELKOz2QZjwrv3oUQe43HYrM26yU/aJrzWCmSTc5kHLoUk7wRAWwqyhIVTBHsBXYTEE4zyNEBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:52:55.934760Z","bundle_sha256":"7b19f944edb9009ed15818907bd736841535158345fe67c71bcc582c640db64e"}}