{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LNASCS6XEQYSGQRN5PMDCI6CNF","short_pith_number":"pith:LNASCS6X","canonical_record":{"source":{"id":"1210.4974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T21:59:55Z","cross_cats_sorted":[],"title_canon_sha256":"8896336fec1573a7970354bc43ca64ca37db7878d424f00e453c6dbf3091b8b5","abstract_canon_sha256":"9f5db4dbcf3c13ff27f19c8131b09d1d38cbc78ac107c2bb631beed2c7ef9367"},"schema_version":"1.0"},"canonical_sha256":"5b41214bd7243123422debd83123c2695455af415c40d0ec3dc13e2fe11b64b2","source":{"kind":"arxiv","id":"1210.4974","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.4974","created_at":"2026-05-18T03:42:54Z"},{"alias_kind":"arxiv_version","alias_value":"1210.4974v1","created_at":"2026-05-18T03:42:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4974","created_at":"2026-05-18T03:42:54Z"},{"alias_kind":"pith_short_12","alias_value":"LNASCS6XEQYS","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LNASCS6XEQYSGQRN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LNASCS6X","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LNASCS6XEQYSGQRN5PMDCI6CNF","target":"record","payload":{"canonical_record":{"source":{"id":"1210.4974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T21:59:55Z","cross_cats_sorted":[],"title_canon_sha256":"8896336fec1573a7970354bc43ca64ca37db7878d424f00e453c6dbf3091b8b5","abstract_canon_sha256":"9f5db4dbcf3c13ff27f19c8131b09d1d38cbc78ac107c2bb631beed2c7ef9367"},"schema_version":"1.0"},"canonical_sha256":"5b41214bd7243123422debd83123c2695455af415c40d0ec3dc13e2fe11b64b2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:54.649977Z","signature_b64":"Pcby9MWK9CNJ0fyhOXIJbvINcAQ+Itj7l+TLtH9Mq+Be7LMNjvT4YLoGnElslv8/DJXoWVpuTN3b1/3BXDyEBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b41214bd7243123422debd83123c2695455af415c40d0ec3dc13e2fe11b64b2","last_reissued_at":"2026-05-18T03:42:54.649281Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:54.649281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.4974","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":"2026-05-18T03:42:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EY8RSlvx3+SFaBwVKbENdhviaJw9HwEkEd6StSoob/QEOTCuz87im2e1wtNJ4gdwE5vkrDpEYwZSBCPrLXhNAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:47:00.745703Z"},"content_sha256":"46d4d3f1a76bc73c11ffb83cabadc7e596b4324ddabdc3e492c6ca1fa1064c88","schema_version":"1.0","event_id":"sha256:46d4d3f1a76bc73c11ffb83cabadc7e596b4324ddabdc3e492c6ca1fa1064c88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LNASCS6XEQYSGQRN5PMDCI6CNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulations and modelling of the ISM in galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) ICC, Carlton M. Baugh (2) ((1) ESO, Cedric G. Lacey (2), Claudia del P. Lagos (1), Durham), Garching","submitted_at":"2012-10-17T21:59:55Z","abstract_excerpt":"The latest observations of molecular gas and the atomic hydrogen content of local and high-redshift galaxies, coupled with how these correlate with star formation activity, have revolutionized our ideas about how to model star formation in a galactic context. A successful theory of galaxy formation has to explain some key facts: (i) high-redshift galaxies have higher molecular gas fractions and star formation rates than local galaxies, (ii) scaling relations show that the atomic-to-stellar mass ratio decreases with stellar mass in the local Universe, and (iii) the global abundance of atomic hy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4974","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":""},"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":"2026-05-18T03:42:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uKMeWpPI4Ee1yFezfYllPbvzu2ytxMFUs7mzZPtcxFQFkooevmtpCkHEKXffpSps73Eip+OwZwLTLqwC6Tk7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:47:00.746044Z"},"content_sha256":"cf95ee11c3275a0a4e88034b2cec85a3a0cafea3dab064bd38b25783ce4974f2","schema_version":"1.0","event_id":"sha256:cf95ee11c3275a0a4e88034b2cec85a3a0cafea3dab064bd38b25783ce4974f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNASCS6XEQYSGQRN5PMDCI6CNF/bundle.json","state_url":"https://pith.science/pith/LNASCS6XEQYSGQRN5PMDCI6CNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNASCS6XEQYSGQRN5PMDCI6CNF/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":"2026-05-28T10:47:00Z","links":{"resolver":"https://pith.science/pith/LNASCS6XEQYSGQRN5PMDCI6CNF","bundle":"https://pith.science/pith/LNASCS6XEQYSGQRN5PMDCI6CNF/bundle.json","state":"https://pith.science/pith/LNASCS6XEQYSGQRN5PMDCI6CNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNASCS6XEQYSGQRN5PMDCI6CNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LNASCS6XEQYSGQRN5PMDCI6CNF","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":"9f5db4dbcf3c13ff27f19c8131b09d1d38cbc78ac107c2bb631beed2c7ef9367","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T21:59:55Z","title_canon_sha256":"8896336fec1573a7970354bc43ca64ca37db7878d424f00e453c6dbf3091b8b5"},"schema_version":"1.0","source":{"id":"1210.4974","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.4974","created_at":"2026-05-18T03:42:54Z"},{"alias_kind":"arxiv_version","alias_value":"1210.4974v1","created_at":"2026-05-18T03:42:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4974","created_at":"2026-05-18T03:42:54Z"},{"alias_kind":"pith_short_12","alias_value":"LNASCS6XEQYS","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LNASCS6XEQYSGQRN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LNASCS6X","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:cf95ee11c3275a0a4e88034b2cec85a3a0cafea3dab064bd38b25783ce4974f2","target":"graph","created_at":"2026-05-18T03:42:54Z","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":"The latest observations of molecular gas and the atomic hydrogen content of local and high-redshift galaxies, coupled with how these correlate with star formation activity, have revolutionized our ideas about how to model star formation in a galactic context. A successful theory of galaxy formation has to explain some key facts: (i) high-redshift galaxies have higher molecular gas fractions and star formation rates than local galaxies, (ii) scaling relations show that the atomic-to-stellar mass ratio decreases with stellar mass in the local Universe, and (iii) the global abundance of atomic hy","authors_text":"(2) ICC, Carlton M. Baugh (2) ((1) ESO, Cedric G. Lacey (2), Claudia del P. Lagos (1), Durham), Garching","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T21:59:55Z","title":"Simulations and modelling of the ISM in galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4974","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":"sha256:46d4d3f1a76bc73c11ffb83cabadc7e596b4324ddabdc3e492c6ca1fa1064c88","target":"record","created_at":"2026-05-18T03:42:54Z","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":"9f5db4dbcf3c13ff27f19c8131b09d1d38cbc78ac107c2bb631beed2c7ef9367","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T21:59:55Z","title_canon_sha256":"8896336fec1573a7970354bc43ca64ca37db7878d424f00e453c6dbf3091b8b5"},"schema_version":"1.0","source":{"id":"1210.4974","kind":"arxiv","version":1}},"canonical_sha256":"5b41214bd7243123422debd83123c2695455af415c40d0ec3dc13e2fe11b64b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b41214bd7243123422debd83123c2695455af415c40d0ec3dc13e2fe11b64b2","first_computed_at":"2026-05-18T03:42:54.649281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:42:54.649281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pcby9MWK9CNJ0fyhOXIJbvINcAQ+Itj7l+TLtH9Mq+Be7LMNjvT4YLoGnElslv8/DJXoWVpuTN3b1/3BXDyEBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:42:54.649977Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.4974","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46d4d3f1a76bc73c11ffb83cabadc7e596b4324ddabdc3e492c6ca1fa1064c88","sha256:cf95ee11c3275a0a4e88034b2cec85a3a0cafea3dab064bd38b25783ce4974f2"],"state_sha256":"58c81e5c2f5055cc05d405f66e49ded158476315d28dd726cab85c61be37571c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8m+ncongy4ng3iwDykm0NL9N5dQwXcNPyMh+Fh0JPZSPbPYjaFeJl3YZi/6o9LUDdfnK+Pw0k2yrqlQtEXM+DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:47:00.748004Z","bundle_sha256":"9fb612cbb553d9e7bfd879c9a7011d2de022fe0691f17945dedd185f1dd8dfe7"}}