{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:7WMF7X7OM4G2EWI6Q5XYZE6GD5","short_pith_number":"pith:7WMF7X7O","canonical_record":{"source":{"id":"astro-ph/0408273","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-08-14T21:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"13e6604c8bc728e6bd01641ff2f13837aaa0951b57c8e63ee061b0ba54412295","abstract_canon_sha256":"458184b54223b4a5a450023cfa3e56c4b0ca6631a37f413493e388eb7e308024"},"schema_version":"1.0"},"canonical_sha256":"fd985fdfee670da2591e876f8c93c61f562d7cd2a380a0e9421eba72578a9ba3","source":{"kind":"arxiv","id":"astro-ph/0408273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0408273","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0408273v1","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0408273","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"pith_short_12","alias_value":"7WMF7X7OM4G2","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"pith_short_16","alias_value":"7WMF7X7OM4G2EWI6","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"pith_short_8","alias_value":"7WMF7X7O","created_at":"2026-07-04T15:17:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:7WMF7X7OM4G2EWI6Q5XYZE6GD5","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0408273","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-08-14T21:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"13e6604c8bc728e6bd01641ff2f13837aaa0951b57c8e63ee061b0ba54412295","abstract_canon_sha256":"458184b54223b4a5a450023cfa3e56c4b0ca6631a37f413493e388eb7e308024"},"schema_version":"1.0"},"canonical_sha256":"fd985fdfee670da2591e876f8c93c61f562d7cd2a380a0e9421eba72578a9ba3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:17:24.385225Z","signature_b64":"/oNJkYrlvQEMyib+OswQO/wz13Amo0DYieY1lKfqyb7owQwkaBD1s4GYZ30JE0mODqxzEmEnPIldAY2CYLnjBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd985fdfee670da2591e876f8c93c61f562d7cd2a380a0e9421eba72578a9ba3","last_reissued_at":"2026-07-04T15:17:24.384835Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:17:24.384835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0408273","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":"2026-07-04T15:17:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mm+CuvVW4Sd83K/Tw/kTErQ5L8OiDnj3psySYGmjeKepSWu0dAPeOnYqhUzKVQoj7SjJosW4MRjZ7XYLLKYQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-29T10:01:31.772666Z"},"content_sha256":"35aa9894e40bcfbdbecdccf101695e37d25391d6acc5e2733ce6556057665134","schema_version":"1.0","event_id":"sha256:35aa9894e40bcfbdbecdccf101695e37d25391d6acc5e2733ce6556057665134"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:7WMF7X7OM4G2EWI6Q5XYZE6GD5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Radial Distribution of Galaxies in LCDM clusters","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrey V. Kravtsov (KICP, Daisuke Nagai, U.Chicago)","submitted_at":"2004-08-14T21:17:02Z","abstract_excerpt":"We study the radial distribution of subhalos and galaxies using high-resolution cosmological simulations of galaxy clusters formed in the concordance LCDM cosmology. In agreement with previous studies, we find that the radial distribution of subhalos is significantly less concentrated than that of the dark matter, when subhalos are selected using their present-day gravitationally bound mass. We show that the difference in the radial distribution is not a numerical artifact and is due to tidal stripping. The subhalos in the cluster core lose more than 70% of their initial mass since accretion, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0408273","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/0408273/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":"2026-07-04T15:17:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2aFCpm9HfiS0pHv8N6ZJgs8MRG1U9KgtJfHIbaC6W3IBLFZeVGyVkk6SZ0uk6rscNtM9FSC+X2icT+g0rXzWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-29T10:01:31.773035Z"},"content_sha256":"9aee20fcfdf7f9f6333c547d58ed6dc5f753af26709894b5b845c42e6c4c482b","schema_version":"1.0","event_id":"sha256:9aee20fcfdf7f9f6333c547d58ed6dc5f753af26709894b5b845c42e6c4c482b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7WMF7X7OM4G2EWI6Q5XYZE6GD5/bundle.json","state_url":"https://pith.science/pith/7WMF7X7OM4G2EWI6Q5XYZE6GD5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7WMF7X7OM4G2EWI6Q5XYZE6GD5/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":"2026-07-29T10:01:31Z","links":{"resolver":"https://pith.science/pith/7WMF7X7OM4G2EWI6Q5XYZE6GD5","bundle":"https://pith.science/pith/7WMF7X7OM4G2EWI6Q5XYZE6GD5/bundle.json","state":"https://pith.science/pith/7WMF7X7OM4G2EWI6Q5XYZE6GD5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7WMF7X7OM4G2EWI6Q5XYZE6GD5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:7WMF7X7OM4G2EWI6Q5XYZE6GD5","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":"458184b54223b4a5a450023cfa3e56c4b0ca6631a37f413493e388eb7e308024","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-08-14T21:17:02Z","title_canon_sha256":"13e6604c8bc728e6bd01641ff2f13837aaa0951b57c8e63ee061b0ba54412295"},"schema_version":"1.0","source":{"id":"astro-ph/0408273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0408273","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0408273v1","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0408273","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"pith_short_12","alias_value":"7WMF7X7OM4G2","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"pith_short_16","alias_value":"7WMF7X7OM4G2EWI6","created_at":"2026-07-04T15:17:24Z"},{"alias_kind":"pith_short_8","alias_value":"7WMF7X7O","created_at":"2026-07-04T15:17:24Z"}],"graph_snapshots":[{"event_id":"sha256:9aee20fcfdf7f9f6333c547d58ed6dc5f753af26709894b5b845c42e6c4c482b","target":"graph","created_at":"2026-07-04T15:17:24Z","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/0408273/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the radial distribution of subhalos and galaxies using high-resolution cosmological simulations of galaxy clusters formed in the concordance LCDM cosmology. In agreement with previous studies, we find that the radial distribution of subhalos is significantly less concentrated than that of the dark matter, when subhalos are selected using their present-day gravitationally bound mass. We show that the difference in the radial distribution is not a numerical artifact and is due to tidal stripping. The subhalos in the cluster core lose more than 70% of their initial mass since accretion, ","authors_text":"Andrey V. Kravtsov (KICP, Daisuke Nagai, U.Chicago)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-08-14T21:17:02Z","title":"The Radial Distribution of Galaxies in LCDM clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0408273","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":"sha256:35aa9894e40bcfbdbecdccf101695e37d25391d6acc5e2733ce6556057665134","target":"record","created_at":"2026-07-04T15:17:24Z","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":"458184b54223b4a5a450023cfa3e56c4b0ca6631a37f413493e388eb7e308024","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-08-14T21:17:02Z","title_canon_sha256":"13e6604c8bc728e6bd01641ff2f13837aaa0951b57c8e63ee061b0ba54412295"},"schema_version":"1.0","source":{"id":"astro-ph/0408273","kind":"arxiv","version":1}},"canonical_sha256":"fd985fdfee670da2591e876f8c93c61f562d7cd2a380a0e9421eba72578a9ba3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd985fdfee670da2591e876f8c93c61f562d7cd2a380a0e9421eba72578a9ba3","first_computed_at":"2026-07-04T15:17:24.384835Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:17:24.384835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/oNJkYrlvQEMyib+OswQO/wz13Amo0DYieY1lKfqyb7owQwkaBD1s4GYZ30JE0mODqxzEmEnPIldAY2CYLnjBA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:17:24.385225Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0408273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35aa9894e40bcfbdbecdccf101695e37d25391d6acc5e2733ce6556057665134","sha256:9aee20fcfdf7f9f6333c547d58ed6dc5f753af26709894b5b845c42e6c4c482b"],"state_sha256":"9fbf876e0272da5bcc7bb68596f8c862fff42f46268a5b6ea794595d8b6ef1eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7CXX3J6XO4CqHG+BLZqwofAdwAUpS/Lr/TLRAyXzr82sQGyCKrD3/2p25YvnwPeaSP0ELDos6A+SDrT5zX1BAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-29T10:01:31.775375Z","bundle_sha256":"e000d9f2ea1214a236134cbf0369679cd55002af111742c67e3269f76007ea59"}}