{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:4NDRMNHUCJPDOZDM2JU7S3LDRQ","short_pith_number":"pith:4NDRMNHU","canonical_record":{"source":{"id":"1507.00012","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-06-30T20:01:59Z","cross_cats_sorted":[],"title_canon_sha256":"82b2bbdb866d9ca0a9174c8891266f3b4e0e7ef355922a34dd8808e39e2bc51e","abstract_canon_sha256":"beb5a0e8ab89c7bbbab0c1d0f25f5fa2c5ac015a579752e33c51ace43bed9179"},"schema_version":"1.0"},"canonical_sha256":"e3471634f4125e37646cd269f96d638c22d209671857d9c736156e0f44eba9b6","source":{"kind":"arxiv","id":"1507.00012","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.00012","created_at":"2026-05-18T01:19:53Z"},{"alias_kind":"arxiv_version","alias_value":"1507.00012v2","created_at":"2026-05-18T01:19:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.00012","created_at":"2026-05-18T01:19:53Z"},{"alias_kind":"pith_short_12","alias_value":"4NDRMNHUCJPD","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4NDRMNHUCJPDOZDM","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4NDRMNHU","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:4NDRMNHUCJPDOZDM2JU7S3LDRQ","target":"record","payload":{"canonical_record":{"source":{"id":"1507.00012","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-06-30T20:01:59Z","cross_cats_sorted":[],"title_canon_sha256":"82b2bbdb866d9ca0a9174c8891266f3b4e0e7ef355922a34dd8808e39e2bc51e","abstract_canon_sha256":"beb5a0e8ab89c7bbbab0c1d0f25f5fa2c5ac015a579752e33c51ace43bed9179"},"schema_version":"1.0"},"canonical_sha256":"e3471634f4125e37646cd269f96d638c22d209671857d9c736156e0f44eba9b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:53.772415Z","signature_b64":"azngtqzL2UhziNq/1pUPuHAZYO+zBNgez1/Kdsnk7/HA4jQKM+veFEWNhyKb+vkJDP6280JCBtB9lQ7a6EEkCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3471634f4125e37646cd269f96d638c22d209671857d9c736156e0f44eba9b6","last_reissued_at":"2026-05-18T01:19:53.771975Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:53.771975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.00012","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":"2026-05-18T01:19:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eSF+PUWXW4Bj6j2g2TN3jemGU3oQjaT5MrrF04AobH6gXEtgivqrj7U5Knq+6KdoZSvM89kuAfaBCXGMkYQiBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:48:15.038986Z"},"content_sha256":"24d34576faaa9ae72fe21b9369a7fb012a26dc91c26882f74d48bf3273d3c3ab","schema_version":"1.0","event_id":"sha256:24d34576faaa9ae72fe21b9369a7fb012a26dc91c26882f74d48bf3273d3c3ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:4NDRMNHUCJPDOZDM2JU7S3LDRQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SImulator of GAlaxy Millimetre/submillimetre Emission (SIGAME): CO emission from massive z=2 main-sequence galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew Zirm, Christian Brinch, Jesper Rasmussen, Jesper Sommer-Larsen, Karen P. Olsen, Sune Toft, Thomas R. Greve","submitted_at":"2015-06-30T20:01:59Z","abstract_excerpt":"We present SIGAME (SImulator of GAlaxy Millimetre/submillimetre Emission), a new numerical code designed to simulate the 12CO rotational line emission spectrum of galaxies. Using sub-grid physics recipes to post-process the outputs of smoothed particle hydrodynamics (SPH) simulations, a molecular gas phase is condensed out of the hot and partly ionized SPH gas. The gas is subjected to far-UV radiation fields and cosmic ray ionization rates which are set to scale with the local star formation rate volume density. Level populations and radiative transport of the CO lines are solved with the 3-D "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.00012","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":"2026-05-18T01:19:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8kuTHKW9JzIBLKgH1OzBWsqVLvO/YydZJz3yQXFj5pU4N4ObW08f1nLLjaL0pmSWzzFICubNtY63Zgqa7fplAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:48:15.039727Z"},"content_sha256":"df583a3b10439b786c46da2503fe10a9a9cd0ae085c8d432d7812f39388b5d1b","schema_version":"1.0","event_id":"sha256:df583a3b10439b786c46da2503fe10a9a9cd0ae085c8d432d7812f39388b5d1b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4NDRMNHUCJPDOZDM2JU7S3LDRQ/bundle.json","state_url":"https://pith.science/pith/4NDRMNHUCJPDOZDM2JU7S3LDRQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4NDRMNHUCJPDOZDM2JU7S3LDRQ/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":"2026-05-29T22:48:15Z","links":{"resolver":"https://pith.science/pith/4NDRMNHUCJPDOZDM2JU7S3LDRQ","bundle":"https://pith.science/pith/4NDRMNHUCJPDOZDM2JU7S3LDRQ/bundle.json","state":"https://pith.science/pith/4NDRMNHUCJPDOZDM2JU7S3LDRQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4NDRMNHUCJPDOZDM2JU7S3LDRQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4NDRMNHUCJPDOZDM2JU7S3LDRQ","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":"beb5a0e8ab89c7bbbab0c1d0f25f5fa2c5ac015a579752e33c51ace43bed9179","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-06-30T20:01:59Z","title_canon_sha256":"82b2bbdb866d9ca0a9174c8891266f3b4e0e7ef355922a34dd8808e39e2bc51e"},"schema_version":"1.0","source":{"id":"1507.00012","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.00012","created_at":"2026-05-18T01:19:53Z"},{"alias_kind":"arxiv_version","alias_value":"1507.00012v2","created_at":"2026-05-18T01:19:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.00012","created_at":"2026-05-18T01:19:53Z"},{"alias_kind":"pith_short_12","alias_value":"4NDRMNHUCJPD","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4NDRMNHUCJPDOZDM","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4NDRMNHU","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:df583a3b10439b786c46da2503fe10a9a9cd0ae085c8d432d7812f39388b5d1b","target":"graph","created_at":"2026-05-18T01:19:53Z","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 SIGAME (SImulator of GAlaxy Millimetre/submillimetre Emission), a new numerical code designed to simulate the 12CO rotational line emission spectrum of galaxies. Using sub-grid physics recipes to post-process the outputs of smoothed particle hydrodynamics (SPH) simulations, a molecular gas phase is condensed out of the hot and partly ionized SPH gas. The gas is subjected to far-UV radiation fields and cosmic ray ionization rates which are set to scale with the local star formation rate volume density. Level populations and radiative transport of the CO lines are solved with the 3-D ","authors_text":"Andrew Zirm, Christian Brinch, Jesper Rasmussen, Jesper Sommer-Larsen, Karen P. Olsen, Sune Toft, Thomas R. Greve","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-06-30T20:01:59Z","title":"SImulator of GAlaxy Millimetre/submillimetre Emission (SIGAME): CO emission from massive z=2 main-sequence galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.00012","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":"sha256:24d34576faaa9ae72fe21b9369a7fb012a26dc91c26882f74d48bf3273d3c3ab","target":"record","created_at":"2026-05-18T01:19:53Z","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":"beb5a0e8ab89c7bbbab0c1d0f25f5fa2c5ac015a579752e33c51ace43bed9179","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-06-30T20:01:59Z","title_canon_sha256":"82b2bbdb866d9ca0a9174c8891266f3b4e0e7ef355922a34dd8808e39e2bc51e"},"schema_version":"1.0","source":{"id":"1507.00012","kind":"arxiv","version":2}},"canonical_sha256":"e3471634f4125e37646cd269f96d638c22d209671857d9c736156e0f44eba9b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3471634f4125e37646cd269f96d638c22d209671857d9c736156e0f44eba9b6","first_computed_at":"2026-05-18T01:19:53.771975Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:53.771975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"azngtqzL2UhziNq/1pUPuHAZYO+zBNgez1/Kdsnk7/HA4jQKM+veFEWNhyKb+vkJDP6280JCBtB9lQ7a6EEkCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:53.772415Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.00012","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24d34576faaa9ae72fe21b9369a7fb012a26dc91c26882f74d48bf3273d3c3ab","sha256:df583a3b10439b786c46da2503fe10a9a9cd0ae085c8d432d7812f39388b5d1b"],"state_sha256":"8f266714f30f9eae44a2a7c7ffddc56f6b5abf44e722cfb2391a86118e03a1ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GDF6PTmzpsbQ/yMJhuUQcPokF6p3b0IPDa0cZiifJfuV7jope4mF/g3Z4Hk0L2lWZhlkO5Ai9llqmy2IShFpBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T22:48:15.044084Z","bundle_sha256":"fbb483e7eb8d02f103ff7f8ec4e8562e1d4152f7aa3db3de204e684d485e0de1"}}