{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BBHL3MXF23ROEEZYLBJ7RFEQCQ","short_pith_number":"pith:BBHL3MXF","canonical_record":{"source":{"id":"1104.1626","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-08T19:13:28Z","cross_cats_sorted":[],"title_canon_sha256":"a7a90076de2a79e7e609ec1be1787f058c5c6d5c80835b2d8f4fe3086cb0a491","abstract_canon_sha256":"8c5b38002e7bfa28bf30e80938a8a583a7e68ed1c004a43536e1b5ecea3bd428"},"schema_version":"1.0"},"canonical_sha256":"084ebdb2e5d6e2e213385853f89490140134d42f12cae3d54f3e851b2dc299f1","source":{"kind":"arxiv","id":"1104.1626","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1626","created_at":"2026-05-18T02:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1626v2","created_at":"2026-05-18T02:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1626","created_at":"2026-05-18T02:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"BBHL3MXF23RO","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BBHL3MXF23ROEEZY","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BBHL3MXF","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BBHL3MXF23ROEEZYLBJ7RFEQCQ","target":"record","payload":{"canonical_record":{"source":{"id":"1104.1626","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-08T19:13:28Z","cross_cats_sorted":[],"title_canon_sha256":"a7a90076de2a79e7e609ec1be1787f058c5c6d5c80835b2d8f4fe3086cb0a491","abstract_canon_sha256":"8c5b38002e7bfa28bf30e80938a8a583a7e68ed1c004a43536e1b5ecea3bd428"},"schema_version":"1.0"},"canonical_sha256":"084ebdb2e5d6e2e213385853f89490140134d42f12cae3d54f3e851b2dc299f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:36.166382Z","signature_b64":"5Ol55Pjh8OSmG9f4MHYu0jmAaoNSAjcnYC1sSY3GQPV77dP0MVkhF2PHgh71H4bxKb/fbTdM1i9uL6fqhe0JCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"084ebdb2e5d6e2e213385853f89490140134d42f12cae3d54f3e851b2dc299f1","last_reissued_at":"2026-05-18T02:02:36.165671Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:36.165671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.1626","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":"2026-05-18T02:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mghDVzXr9tH4BDSCQD82717DQP40ruNeGzQZ3d/BGyq8LUXEvDp4GxvwUuM8tDAyUZ43088rnWxTdSq31T8LDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:37:32.386835Z"},"content_sha256":"0e2a1d4aa01389e82ec3ee6b2696d7ab1de4e4c5a204f0fc6ab5d7d7f33c96d7","schema_version":"1.0","event_id":"sha256:0e2a1d4aa01389e82ec3ee6b2696d7ab1de4e4c5a204f0fc6ab5d7d7f33c96d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BBHL3MXF23ROEEZYLBJ7RFEQCQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxy formation in semi-analytic models and cosmological hydrodynamic zoom simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Burkert, L. Oser, M. Hirschmann, R. Somerville, T. Naab","submitted_at":"2011-04-08T19:13:28Z","abstract_excerpt":"We present a detailed comparison between numerical cosmological hydrodynamic zoom simulations and semi-analytic models (SAMs) run within merger trees extracted from the simulations. The high-resolution simulations represent 48 individual halos with virial masses in the range 2.4*10^11M_sun < M_Halo < 3.3*10^13M_sun. They include radiative H & He cooling, photo-ionization, star formation and thermal SN feedback. We compare with different SAM versions including only this complement of physical processes, and also ones including supernova driven winds, metal cooling, and feedback from AGN. Our an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1626","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":"2026-05-18T02:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z6Ifj23QRXxix1kZwfRiyIaGaGcLZlBA41DR4oleWORg5V4WwujZUZPRbFYu8X/EYPdNFQBWHWSd8UqjPSthBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:37:32.387394Z"},"content_sha256":"7fe14b74450912b735db2f33baa5b866294a1e16e2b159be4ed1350c76f85d09","schema_version":"1.0","event_id":"sha256:7fe14b74450912b735db2f33baa5b866294a1e16e2b159be4ed1350c76f85d09"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BBHL3MXF23ROEEZYLBJ7RFEQCQ/bundle.json","state_url":"https://pith.science/pith/BBHL3MXF23ROEEZYLBJ7RFEQCQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BBHL3MXF23ROEEZYLBJ7RFEQCQ/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":"2026-06-03T12:37:32Z","links":{"resolver":"https://pith.science/pith/BBHL3MXF23ROEEZYLBJ7RFEQCQ","bundle":"https://pith.science/pith/BBHL3MXF23ROEEZYLBJ7RFEQCQ/bundle.json","state":"https://pith.science/pith/BBHL3MXF23ROEEZYLBJ7RFEQCQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BBHL3MXF23ROEEZYLBJ7RFEQCQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BBHL3MXF23ROEEZYLBJ7RFEQCQ","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":"8c5b38002e7bfa28bf30e80938a8a583a7e68ed1c004a43536e1b5ecea3bd428","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-08T19:13:28Z","title_canon_sha256":"a7a90076de2a79e7e609ec1be1787f058c5c6d5c80835b2d8f4fe3086cb0a491"},"schema_version":"1.0","source":{"id":"1104.1626","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1626","created_at":"2026-05-18T02:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1626v2","created_at":"2026-05-18T02:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1626","created_at":"2026-05-18T02:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"BBHL3MXF23RO","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BBHL3MXF23ROEEZY","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BBHL3MXF","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:7fe14b74450912b735db2f33baa5b866294a1e16e2b159be4ed1350c76f85d09","target":"graph","created_at":"2026-05-18T02:02:36Z","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":"We present a detailed comparison between numerical cosmological hydrodynamic zoom simulations and semi-analytic models (SAMs) run within merger trees extracted from the simulations. The high-resolution simulations represent 48 individual halos with virial masses in the range 2.4*10^11M_sun < M_Halo < 3.3*10^13M_sun. They include radiative H & He cooling, photo-ionization, star formation and thermal SN feedback. We compare with different SAM versions including only this complement of physical processes, and also ones including supernova driven winds, metal cooling, and feedback from AGN. Our an","authors_text":"A. Burkert, L. Oser, M. Hirschmann, R. Somerville, T. Naab","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-08T19:13:28Z","title":"Galaxy formation in semi-analytic models and cosmological hydrodynamic zoom simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1626","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":"sha256:0e2a1d4aa01389e82ec3ee6b2696d7ab1de4e4c5a204f0fc6ab5d7d7f33c96d7","target":"record","created_at":"2026-05-18T02:02:36Z","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":"8c5b38002e7bfa28bf30e80938a8a583a7e68ed1c004a43536e1b5ecea3bd428","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-08T19:13:28Z","title_canon_sha256":"a7a90076de2a79e7e609ec1be1787f058c5c6d5c80835b2d8f4fe3086cb0a491"},"schema_version":"1.0","source":{"id":"1104.1626","kind":"arxiv","version":2}},"canonical_sha256":"084ebdb2e5d6e2e213385853f89490140134d42f12cae3d54f3e851b2dc299f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"084ebdb2e5d6e2e213385853f89490140134d42f12cae3d54f3e851b2dc299f1","first_computed_at":"2026-05-18T02:02:36.165671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:36.165671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5Ol55Pjh8OSmG9f4MHYu0jmAaoNSAjcnYC1sSY3GQPV77dP0MVkhF2PHgh71H4bxKb/fbTdM1i9uL6fqhe0JCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:36.166382Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.1626","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e2a1d4aa01389e82ec3ee6b2696d7ab1de4e4c5a204f0fc6ab5d7d7f33c96d7","sha256:7fe14b74450912b735db2f33baa5b866294a1e16e2b159be4ed1350c76f85d09"],"state_sha256":"310f4385b46667e199fb87b42580b0a926dedc5b4a18d3379bd5acd34d40c45f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"am9VlJni53XqGxNDEZ/dKJ0RYb8uoxZcz0apymn6P8DkwWQcGR8bCP7jxr1Oys4LqeIVzP74wirRQaB5QHoTDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T12:37:32.389661Z","bundle_sha256":"ce18e0bc7a855b804e57ec873104bd9ecca4f4c2d772a688bab631ebe360b951"}}