{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:IHMYEP7OOZBJALJBWWO7YW7FD3","short_pith_number":"pith:IHMYEP7O","canonical_record":{"source":{"id":"astro-ph/0309313","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-11T09:05:24Z","cross_cats_sorted":[],"title_canon_sha256":"8cae27b4a6ab7c73db3c0f973b1ca20b5d113816d56e2c109b0b03356e1d9f47","abstract_canon_sha256":"4011f66b8ed8e82751de83cb854aa18c05de72b2d4067eec43dc9943b55507c4"},"schema_version":"1.0"},"canonical_sha256":"41d9823fee7642902d21b59dfc5be51ecc4256bb7137d661cff81a14aaa9a36e","source":{"kind":"arxiv","id":"astro-ph/0309313","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0309313","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0309313v1","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0309313","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"pith_short_12","alias_value":"IHMYEP7OOZBJ","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"pith_short_16","alias_value":"IHMYEP7OOZBJALJB","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"pith_short_8","alias_value":"IHMYEP7O","created_at":"2026-07-04T14:12:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:IHMYEP7OOZBJALJBWWO7YW7FD3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0309313","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-11T09:05:24Z","cross_cats_sorted":[],"title_canon_sha256":"8cae27b4a6ab7c73db3c0f973b1ca20b5d113816d56e2c109b0b03356e1d9f47","abstract_canon_sha256":"4011f66b8ed8e82751de83cb854aa18c05de72b2d4067eec43dc9943b55507c4"},"schema_version":"1.0"},"canonical_sha256":"41d9823fee7642902d21b59dfc5be51ecc4256bb7137d661cff81a14aaa9a36e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:12:52.995849Z","signature_b64":"G4JOAlM/njLrox6ylp1HkGeK6uCmghVOBxHMLqZZjaTocRyzOGj4A1NKuXZqh5mnXZesZq7ScTDw4a5/6apADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41d9823fee7642902d21b59dfc5be51ecc4256bb7137d661cff81a14aaa9a36e","last_reissued_at":"2026-07-04T14:12:52.995422Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:12:52.995422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0309313","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":"2026-07-04T14:12:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+TUZ2XkAwOTUrfyir527SS/rKs2gVI2ALfpGP3DbcYknlNIAV4v8/u40XVFkGz7J6YZqG+IpJUGY7D63yELMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T09:27:42.983088Z"},"content_sha256":"bb1ac6eb8d8e8476a5c52488ae8e1503edaf82fd29398dde299d51f181a4d8d5","schema_version":"1.0","event_id":"sha256:bb1ac6eb8d8e8476a5c52488ae8e1503edaf82fd29398dde299d51f181a4d8d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:IHMYEP7OOZBJALJBWWO7YW7FD3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of galaxies in clusters: semi-analytic models and observations","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Gabriella De Lucia, Garching, Germany), Guinevere Kauffmann, Simon D. M. White (Max-Planck-Institut fuer Astrophysik","submitted_at":"2003-09-11T09:05:24Z","abstract_excerpt":"We present two different projects. The first one is related to the development of a semi-analytic model to follow the formation, the evolution and chemical enrichment of cluster galaxies in a hierarchical dark matter model. The second project concerns the comparison between high resolution N-body simulations of clusters of galaxies with the EDisCS observational dataset."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0309313","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/0309313/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":"2026-07-04T14:12:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zB0wnUuzPIIpH0Ei62wvzB+Bp7jeVIwUkO6TX+AZjyMGMakVigWR71aiIPB3k3f6d0s54HuLL4uYb3JhnIGJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T09:27:42.983478Z"},"content_sha256":"c9b1a284d41cf79b5ca7a61b52196df4f1a4ff32d0e3eb8686063a6441d22d9f","schema_version":"1.0","event_id":"sha256:c9b1a284d41cf79b5ca7a61b52196df4f1a4ff32d0e3eb8686063a6441d22d9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IHMYEP7OOZBJALJBWWO7YW7FD3/bundle.json","state_url":"https://pith.science/pith/IHMYEP7OOZBJALJBWWO7YW7FD3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IHMYEP7OOZBJALJBWWO7YW7FD3/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":"2026-07-22T09:27:42Z","links":{"resolver":"https://pith.science/pith/IHMYEP7OOZBJALJBWWO7YW7FD3","bundle":"https://pith.science/pith/IHMYEP7OOZBJALJBWWO7YW7FD3/bundle.json","state":"https://pith.science/pith/IHMYEP7OOZBJALJBWWO7YW7FD3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IHMYEP7OOZBJALJBWWO7YW7FD3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:IHMYEP7OOZBJALJBWWO7YW7FD3","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":"4011f66b8ed8e82751de83cb854aa18c05de72b2d4067eec43dc9943b55507c4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-11T09:05:24Z","title_canon_sha256":"8cae27b4a6ab7c73db3c0f973b1ca20b5d113816d56e2c109b0b03356e1d9f47"},"schema_version":"1.0","source":{"id":"astro-ph/0309313","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0309313","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0309313v1","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0309313","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"pith_short_12","alias_value":"IHMYEP7OOZBJ","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"pith_short_16","alias_value":"IHMYEP7OOZBJALJB","created_at":"2026-07-04T14:12:52Z"},{"alias_kind":"pith_short_8","alias_value":"IHMYEP7O","created_at":"2026-07-04T14:12:52Z"}],"graph_snapshots":[{"event_id":"sha256:c9b1a284d41cf79b5ca7a61b52196df4f1a4ff32d0e3eb8686063a6441d22d9f","target":"graph","created_at":"2026-07-04T14:12:52Z","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/0309313/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present two different projects. The first one is related to the development of a semi-analytic model to follow the formation, the evolution and chemical enrichment of cluster galaxies in a hierarchical dark matter model. The second project concerns the comparison between high resolution N-body simulations of clusters of galaxies with the EDisCS observational dataset.","authors_text":"Gabriella De Lucia, Garching, Germany), Guinevere Kauffmann, Simon D. M. White (Max-Planck-Institut fuer Astrophysik","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-09-11T09:05:24Z","title":"Evolution of galaxies in clusters: semi-analytic models and observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0309313","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:bb1ac6eb8d8e8476a5c52488ae8e1503edaf82fd29398dde299d51f181a4d8d5","target":"record","created_at":"2026-07-04T14:12:52Z","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":"4011f66b8ed8e82751de83cb854aa18c05de72b2d4067eec43dc9943b55507c4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-11T09:05:24Z","title_canon_sha256":"8cae27b4a6ab7c73db3c0f973b1ca20b5d113816d56e2c109b0b03356e1d9f47"},"schema_version":"1.0","source":{"id":"astro-ph/0309313","kind":"arxiv","version":1}},"canonical_sha256":"41d9823fee7642902d21b59dfc5be51ecc4256bb7137d661cff81a14aaa9a36e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41d9823fee7642902d21b59dfc5be51ecc4256bb7137d661cff81a14aaa9a36e","first_computed_at":"2026-07-04T14:12:52.995422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:12:52.995422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G4JOAlM/njLrox6ylp1HkGeK6uCmghVOBxHMLqZZjaTocRyzOGj4A1NKuXZqh5mnXZesZq7ScTDw4a5/6apADg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:12:52.995849Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0309313","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb1ac6eb8d8e8476a5c52488ae8e1503edaf82fd29398dde299d51f181a4d8d5","sha256:c9b1a284d41cf79b5ca7a61b52196df4f1a4ff32d0e3eb8686063a6441d22d9f"],"state_sha256":"10f4194bb4e787997b7593c9a6baf330f9dea13bc932fa9e456ee55c03a88661"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EiPNmboHZo++pJ7czs3pU4MRLU7dp0+9gCpvJfPwupdcw41KgcITScI0Hj2k6HifRJAnPiERCEiRt0fK80gQAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T09:27:42.985578Z","bundle_sha256":"745c13957aee3659da1a1d809a49c51c1ca8800d406757a670014e3f28eb9c38"}}