{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:ZYZVAK2MTOTNLXCAXFTKWQRQ64","short_pith_number":"pith:ZYZVAK2M","canonical_record":{"source":{"id":"astro-ph/0211331","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-11-14T17:14:44Z","cross_cats_sorted":[],"title_canon_sha256":"350d13218125efc094db150f6d8d8668ebe7aef923157d856f3974118b25e387","abstract_canon_sha256":"66bb805107c6e98eef15957e5bb5d9af8184004e2208f12aa627f25ea32db8d0"},"schema_version":"1.0"},"canonical_sha256":"ce33502b4c9ba6d5dc40b966ab4230f73283e3c464b4c5a99b7c01b4952fc620","source":{"kind":"arxiv","id":"astro-ph/0211331","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0211331","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0211331v1","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0211331","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"pith_short_12","alias_value":"ZYZVAK2MTOTN","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"pith_short_16","alias_value":"ZYZVAK2MTOTNLXCA","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"pith_short_8","alias_value":"ZYZVAK2M","created_at":"2026-07-04T15:18:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:ZYZVAK2MTOTNLXCAXFTKWQRQ64","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0211331","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-11-14T17:14:44Z","cross_cats_sorted":[],"title_canon_sha256":"350d13218125efc094db150f6d8d8668ebe7aef923157d856f3974118b25e387","abstract_canon_sha256":"66bb805107c6e98eef15957e5bb5d9af8184004e2208f12aa627f25ea32db8d0"},"schema_version":"1.0"},"canonical_sha256":"ce33502b4c9ba6d5dc40b966ab4230f73283e3c464b4c5a99b7c01b4952fc620","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:18:02.415771Z","signature_b64":"lnezjhV0Z5fj0q0CqxWz1KBBoh0yamGaffA6vZ4gnRngV82KwThH4NkkM87SC11tOSGIlAIehs48bdHxAEjkBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce33502b4c9ba6d5dc40b966ab4230f73283e3c464b4c5a99b7c01b4952fc620","last_reissued_at":"2026-07-04T15:18:02.415418Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:18:02.415418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0211331","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":"2026-07-04T15:18:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1M81GSNdUB3Mld+UTE2KxKlqqKXDx2Hhb/ZzqXXgRFH+ERDioB8eBp3EMLHJBvgz+5f5M3WbzNZAaUN7u0hPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T14:16:58.117370Z"},"content_sha256":"b4e8d27908112c91cca0844271901b96b4e7a358b690917fd54306f8d4e1e3b4","schema_version":"1.0","event_id":"sha256:b4e8d27908112c91cca0844271901b96b4e7a358b690917fd54306f8d4e1e3b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:ZYZVAK2MTOTNLXCAXFTKWQRQ64","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulations of Galaxy Formation in a Lambda CDM Universe I: Dynamical and Photometric Properties of a Simulated Disk Galaxy","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Julio F. Navarro, Mario G. Abadi, Matthias Steinmetz, Vincent R. Eke","submitted_at":"2002-11-14T17:14:44Z","abstract_excerpt":"We analyze the properties of a disk galaxy simulated with unprecedented numerical resolution in the Lambda CDM cosmogony. The galaxy is assembled through a number of high-redshift mergers followed by a period of quiescent accretion after z~1 which lead to the formation of two distinct dynamical components: a spheroid and a disk. The surface brightness profile is very well approximated by the superposition of an R^{1/4} spheroid and an exponential disk. The surface brightness profile is remarkably similar to that of Sab galaxy UGC615, but the simulated galaxy rotates significantly faster and ha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0211331","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/astro-ph/0211331/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":"2026-07-04T15:18:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YJ30Y7dxsLg90UixbZ/2pX/aH9oYBOuZd/gIgPJ3lT3qzzV4IXPHjdaCb9JetcjLzqZVvn5TgmQP+DsYY9obDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T14:16:58.117954Z"},"content_sha256":"75916ab8a33cbc63ab73077662148d18fb4b7676c2337ccaa89a6e2b105d9339","schema_version":"1.0","event_id":"sha256:75916ab8a33cbc63ab73077662148d18fb4b7676c2337ccaa89a6e2b105d9339"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZYZVAK2MTOTNLXCAXFTKWQRQ64/bundle.json","state_url":"https://pith.science/pith/ZYZVAK2MTOTNLXCAXFTKWQRQ64/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZYZVAK2MTOTNLXCAXFTKWQRQ64/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":"2026-08-23T14:16:58Z","links":{"resolver":"https://pith.science/pith/ZYZVAK2MTOTNLXCAXFTKWQRQ64","bundle":"https://pith.science/pith/ZYZVAK2MTOTNLXCAXFTKWQRQ64/bundle.json","state":"https://pith.science/pith/ZYZVAK2MTOTNLXCAXFTKWQRQ64/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZYZVAK2MTOTNLXCAXFTKWQRQ64/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:ZYZVAK2MTOTNLXCAXFTKWQRQ64","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":"66bb805107c6e98eef15957e5bb5d9af8184004e2208f12aa627f25ea32db8d0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-11-14T17:14:44Z","title_canon_sha256":"350d13218125efc094db150f6d8d8668ebe7aef923157d856f3974118b25e387"},"schema_version":"1.0","source":{"id":"astro-ph/0211331","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0211331","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0211331v1","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0211331","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"pith_short_12","alias_value":"ZYZVAK2MTOTN","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"pith_short_16","alias_value":"ZYZVAK2MTOTNLXCA","created_at":"2026-07-04T15:18:02Z"},{"alias_kind":"pith_short_8","alias_value":"ZYZVAK2M","created_at":"2026-07-04T15:18:02Z"}],"graph_snapshots":[{"event_id":"sha256:75916ab8a33cbc63ab73077662148d18fb4b7676c2337ccaa89a6e2b105d9339","target":"graph","created_at":"2026-07-04T15:18:02Z","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/0211331/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze the properties of a disk galaxy simulated with unprecedented numerical resolution in the Lambda CDM cosmogony. The galaxy is assembled through a number of high-redshift mergers followed by a period of quiescent accretion after z~1 which lead to the formation of two distinct dynamical components: a spheroid and a disk. The surface brightness profile is very well approximated by the superposition of an R^{1/4} spheroid and an exponential disk. The surface brightness profile is remarkably similar to that of Sab galaxy UGC615, but the simulated galaxy rotates significantly faster and ha","authors_text":"Julio F. Navarro, Mario G. Abadi, Matthias Steinmetz, Vincent R. Eke","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-11-14T17:14:44Z","title":"Simulations of Galaxy Formation in a Lambda CDM Universe I: Dynamical and Photometric Properties of a Simulated Disk Galaxy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0211331","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:b4e8d27908112c91cca0844271901b96b4e7a358b690917fd54306f8d4e1e3b4","target":"record","created_at":"2026-07-04T15:18:02Z","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":"66bb805107c6e98eef15957e5bb5d9af8184004e2208f12aa627f25ea32db8d0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-11-14T17:14:44Z","title_canon_sha256":"350d13218125efc094db150f6d8d8668ebe7aef923157d856f3974118b25e387"},"schema_version":"1.0","source":{"id":"astro-ph/0211331","kind":"arxiv","version":1}},"canonical_sha256":"ce33502b4c9ba6d5dc40b966ab4230f73283e3c464b4c5a99b7c01b4952fc620","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce33502b4c9ba6d5dc40b966ab4230f73283e3c464b4c5a99b7c01b4952fc620","first_computed_at":"2026-07-04T15:18:02.415418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:18:02.415418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lnezjhV0Z5fj0q0CqxWz1KBBoh0yamGaffA6vZ4gnRngV82KwThH4NkkM87SC11tOSGIlAIehs48bdHxAEjkBw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:18:02.415771Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0211331","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4e8d27908112c91cca0844271901b96b4e7a358b690917fd54306f8d4e1e3b4","sha256:75916ab8a33cbc63ab73077662148d18fb4b7676c2337ccaa89a6e2b105d9339"],"state_sha256":"07393f35e2c91bb00276b6362c0f1cbc9cc361c9c41c8cfb1b803c88b8eb6513"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jEbPy/tAsn1SVAO/cxEqURXQdJYaDB6BoQ16YMxifJGzFDcgShAQH6jzAaNOf58Fl0CNDGUgrhbqrC/QnPh8Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T14:16:58.123513Z","bundle_sha256":"dc993b5a92be07611226663aa1626482605c534222b14dc456a3bf88200464e2"}}