{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:J766AE5CATY3KN7LGKA7XBS4KY","short_pith_number":"pith:J766AE5C","canonical_record":{"source":{"id":"1305.2913","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-13T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"be357c87726b78e917427814de95d85d987ad79d054afa646dc0020986f99880","abstract_canon_sha256":"e52350e31dc8dcb51206b75bb1905bd23d61eb48f2282276d38bf68e6ac2a2b2"},"schema_version":"1.0"},"canonical_sha256":"4ffde013a204f1b537eb3281fb865c5601f7dea116efbc3f140af59ef37bc5fe","source":{"kind":"arxiv","id":"1305.2913","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.2913","created_at":"2026-05-18T01:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1305.2913v3","created_at":"2026-05-18T01:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2913","created_at":"2026-05-18T01:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"J766AE5CATY3","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"J766AE5CATY3KN7L","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"J766AE5C","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:J766AE5CATY3KN7LGKA7XBS4KY","target":"record","payload":{"canonical_record":{"source":{"id":"1305.2913","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-13T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"be357c87726b78e917427814de95d85d987ad79d054afa646dc0020986f99880","abstract_canon_sha256":"e52350e31dc8dcb51206b75bb1905bd23d61eb48f2282276d38bf68e6ac2a2b2"},"schema_version":"1.0"},"canonical_sha256":"4ffde013a204f1b537eb3281fb865c5601f7dea116efbc3f140af59ef37bc5fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:02.727256Z","signature_b64":"S0tG8YMB1LHMaENWN4R+sNecfgEYvZQI6afDvMUgBLDWnkNAKjpmIW9+HWZWQqK2p2/bei8tgiCYx5/FmSIgCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ffde013a204f1b537eb3281fb865c5601f7dea116efbc3f140af59ef37bc5fe","last_reissued_at":"2026-05-18T01:50:02.726489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:02.726489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.2913","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7qsCdIrPCYnYGN/pkBOMWCLiL01QU17huEg6DNsKlrbwIG9JUi1XE5JERmpDJyXa7jdGEHguO8lTTSv1yRzTCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T11:35:11.449114Z"},"content_sha256":"ecd3a3bfaac891ffbd4865784dfc544d89e628d332900bce18fee28778149b5a","schema_version":"1.0","event_id":"sha256:ecd3a3bfaac891ffbd4865784dfc544d89e628d332900bce18fee28778149b5a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:J766AE5CATY3KN7LGKA7XBS4KY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A model for cosmological simulations of galaxy formation physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2), (2) IoA Cambridge, (3) HITS), Debora Sijacki (1, Lars Hernquist (1) ((1) Harvard/CfA, Mark Vogelsberger (1), Paul Torrey (1), Shy Genel (1), Volker Springel (3)","submitted_at":"2013-05-13T20:00:00Z","abstract_excerpt":"We present a new comprehensive model of the physics of galaxy formation designed for large-scale hydrodynamical simulations of structure formation using the moving mesh code AREPO. Our model includes primordial and metal line cooling with self-shielding corrections, stellar evolution and feedback processes, gas recycling, chemical enrichment, a novel subgrid model for the metal loading of outflows, black hole (BH) seeding, BH growth and merging procedures, quasar- and radio-mode feedback, and a prescription for radiative electro-magnetic (EM) feedback from active galactic nuclei (AGN). The met"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2913","kind":"arxiv","version":3},"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":"2026-05-18T01:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jxfrjBjbsE+B/z3tzuS4DPhGUuzkBNqT/maJnxBXTmsu2d8WNu9KXiFYdWSZ9mag73+veOwd5GtfMUSN2vYoAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T11:35:11.449705Z"},"content_sha256":"a53557d4fa2c92eb205187000533d640d0be5d35c83fdabdfb0a5f3a9d4b4b69","schema_version":"1.0","event_id":"sha256:a53557d4fa2c92eb205187000533d640d0be5d35c83fdabdfb0a5f3a9d4b4b69"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J766AE5CATY3KN7LGKA7XBS4KY/bundle.json","state_url":"https://pith.science/pith/J766AE5CATY3KN7LGKA7XBS4KY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J766AE5CATY3KN7LGKA7XBS4KY/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":"2026-05-22T11:35:11Z","links":{"resolver":"https://pith.science/pith/J766AE5CATY3KN7LGKA7XBS4KY","bundle":"https://pith.science/pith/J766AE5CATY3KN7LGKA7XBS4KY/bundle.json","state":"https://pith.science/pith/J766AE5CATY3KN7LGKA7XBS4KY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J766AE5CATY3KN7LGKA7XBS4KY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:J766AE5CATY3KN7LGKA7XBS4KY","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":"e52350e31dc8dcb51206b75bb1905bd23d61eb48f2282276d38bf68e6ac2a2b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-13T20:00:00Z","title_canon_sha256":"be357c87726b78e917427814de95d85d987ad79d054afa646dc0020986f99880"},"schema_version":"1.0","source":{"id":"1305.2913","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.2913","created_at":"2026-05-18T01:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1305.2913v3","created_at":"2026-05-18T01:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2913","created_at":"2026-05-18T01:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"J766AE5CATY3","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"J766AE5CATY3KN7L","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"J766AE5C","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:a53557d4fa2c92eb205187000533d640d0be5d35c83fdabdfb0a5f3a9d4b4b69","target":"graph","created_at":"2026-05-18T01:50:02Z","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"},"paper":{"abstract_excerpt":"We present a new comprehensive model of the physics of galaxy formation designed for large-scale hydrodynamical simulations of structure formation using the moving mesh code AREPO. Our model includes primordial and metal line cooling with self-shielding corrections, stellar evolution and feedback processes, gas recycling, chemical enrichment, a novel subgrid model for the metal loading of outflows, black hole (BH) seeding, BH growth and merging procedures, quasar- and radio-mode feedback, and a prescription for radiative electro-magnetic (EM) feedback from active galactic nuclei (AGN). The met","authors_text":"2), (2) IoA Cambridge, (3) HITS), Debora Sijacki (1, Lars Hernquist (1) ((1) Harvard/CfA, Mark Vogelsberger (1), Paul Torrey (1), Shy Genel (1), Volker Springel (3)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-13T20:00:00Z","title":"A model for cosmological simulations of galaxy formation physics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2913","kind":"arxiv","version":3},"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:ecd3a3bfaac891ffbd4865784dfc544d89e628d332900bce18fee28778149b5a","target":"record","created_at":"2026-05-18T01:50:02Z","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":"e52350e31dc8dcb51206b75bb1905bd23d61eb48f2282276d38bf68e6ac2a2b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-13T20:00:00Z","title_canon_sha256":"be357c87726b78e917427814de95d85d987ad79d054afa646dc0020986f99880"},"schema_version":"1.0","source":{"id":"1305.2913","kind":"arxiv","version":3}},"canonical_sha256":"4ffde013a204f1b537eb3281fb865c5601f7dea116efbc3f140af59ef37bc5fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ffde013a204f1b537eb3281fb865c5601f7dea116efbc3f140af59ef37bc5fe","first_computed_at":"2026-05-18T01:50:02.726489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:02.726489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S0tG8YMB1LHMaENWN4R+sNecfgEYvZQI6afDvMUgBLDWnkNAKjpmIW9+HWZWQqK2p2/bei8tgiCYx5/FmSIgCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:02.727256Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.2913","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecd3a3bfaac891ffbd4865784dfc544d89e628d332900bce18fee28778149b5a","sha256:a53557d4fa2c92eb205187000533d640d0be5d35c83fdabdfb0a5f3a9d4b4b69"],"state_sha256":"3647b941bac5c6b796d9be208e6083e71f974ca52b4cb35a1d9a783d72d7f67b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ymm5OtNhqku/hpcDCI8ibLgiODXb5iI7eyJch8w2PtgVXwL33x3AnlHA5bbP5jygDI5NLeajJ4GzsV7qrj+VDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T11:35:11.452554Z","bundle_sha256":"3b8f3530a84d6951194444c7f3ee94f3de1aa8f1e3fa8624061e986a96a9bf7b"}}