{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6EKLGQ46CGGUU7FRAN6DZS4UFS","short_pith_number":"pith:6EKLGQ46","canonical_record":{"source":{"id":"1409.1251","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T20:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"08de648ce1f8618e0ae48ea7be6e2b589c7600068befddebf5d13a8a8f931b04","abstract_canon_sha256":"fad48b3af6f961508c6ecfda767dfd7edcbaa67eeb5a62d6f948a7b785262224"},"schema_version":"1.0"},"canonical_sha256":"f114b3439e118d4a7cb1037c3ccb942caac761d33f19286aa983bce0b1331ac4","source":{"kind":"arxiv","id":"1409.1251","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1251","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1251v3","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1251","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"6EKLGQ46CGGU","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6EKLGQ46CGGUU7FR","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6EKLGQ46","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6EKLGQ46CGGUU7FRAN6DZS4UFS","target":"record","payload":{"canonical_record":{"source":{"id":"1409.1251","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T20:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"08de648ce1f8618e0ae48ea7be6e2b589c7600068befddebf5d13a8a8f931b04","abstract_canon_sha256":"fad48b3af6f961508c6ecfda767dfd7edcbaa67eeb5a62d6f948a7b785262224"},"schema_version":"1.0"},"canonical_sha256":"f114b3439e118d4a7cb1037c3ccb942caac761d33f19286aa983bce0b1331ac4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:46.973811Z","signature_b64":"bc3eikD43+oqOv8zGZWh7Gbp4RuKoEpbTHxBwyqHifWJpjRbqKbJ0zlSIZvwQMR26MNKJeUA3hbKCdJBPtJ/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f114b3439e118d4a7cb1037c3ccb942caac761d33f19286aa983bce0b1331ac4","last_reissued_at":"2026-05-18T02:35:46.973380Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:46.973380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.1251","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":"2026-05-18T02:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"boOEp5tpOEjJsZC27xXk5O3CsZiNXRVLMNqLU7xlpcZMVt/MMaNMgbG/nwEH+Jm2FVaKoTyfodnO975LuN8RBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:42:50.768060Z"},"content_sha256":"8b3cedb826c0edc3047fa6e8859d9cfe41dbf91d2470f44c935c3d5b19b1e12e","schema_version":"1.0","event_id":"sha256:8b3cedb826c0edc3047fa6e8859d9cfe41dbf91d2470f44c935c3d5b19b1e12e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6EKLGQ46CGGUU7FRAN6DZS4UFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two physical regimes for the Giant HII Regions and Giant Molecular Clouds in the Antennae Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bego\\~na Garc\\'ia-Lorenzo, Javier Zaragoza-Cardiel, Joan Font, John E. Beckman, Leonel Guti\\'errez, Santiago Erroz-Ferrer","submitted_at":"2014-09-03T20:34:42Z","abstract_excerpt":"We have combined observations of the Antennae galaxies from the radio interferometer ALMA (Atacama Large Millimeter/submillimeter Array) and from the optical interferometer GH$\\alpha$FaS (Galaxy H$\\alpha$ Fabry-Perot System). The two sets of observations have comparable angular and spectral resolutions, enabling us to identify 142 giant molecular clouds (GMCs) and 303 HII regions. We have measured, and compared, their basic physical properties (radius, velocity dispersion, luminosity). For the HII regions, we find two physical regimes, one for masses $>10^{5.4} \\mathrm{M_{\\odot}}$ of ionized g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1251","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":"2026-05-18T02:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PcxWkErSAmyClrpzeSYaCAEgu94drc5jm1ppYg21vGBSEjHodwQ2Iemeo7J7tK5WBSINhDTTpTYtrYnTsUWzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:42:50.768422Z"},"content_sha256":"ad7440e21bbde340042bbed8be8c694bbabc0705a619e50c0337e57e2f9517e4","schema_version":"1.0","event_id":"sha256:ad7440e21bbde340042bbed8be8c694bbabc0705a619e50c0337e57e2f9517e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6EKLGQ46CGGUU7FRAN6DZS4UFS/bundle.json","state_url":"https://pith.science/pith/6EKLGQ46CGGUU7FRAN6DZS4UFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6EKLGQ46CGGUU7FRAN6DZS4UFS/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":"2026-05-26T21:42:50Z","links":{"resolver":"https://pith.science/pith/6EKLGQ46CGGUU7FRAN6DZS4UFS","bundle":"https://pith.science/pith/6EKLGQ46CGGUU7FRAN6DZS4UFS/bundle.json","state":"https://pith.science/pith/6EKLGQ46CGGUU7FRAN6DZS4UFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6EKLGQ46CGGUU7FRAN6DZS4UFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6EKLGQ46CGGUU7FRAN6DZS4UFS","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":"fad48b3af6f961508c6ecfda767dfd7edcbaa67eeb5a62d6f948a7b785262224","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T20:34:42Z","title_canon_sha256":"08de648ce1f8618e0ae48ea7be6e2b589c7600068befddebf5d13a8a8f931b04"},"schema_version":"1.0","source":{"id":"1409.1251","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1251","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1251v3","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1251","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"6EKLGQ46CGGU","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6EKLGQ46CGGUU7FR","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6EKLGQ46","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:ad7440e21bbde340042bbed8be8c694bbabc0705a619e50c0337e57e2f9517e4","target":"graph","created_at":"2026-05-18T02:35:46Z","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 have combined observations of the Antennae galaxies from the radio interferometer ALMA (Atacama Large Millimeter/submillimeter Array) and from the optical interferometer GH$\\alpha$FaS (Galaxy H$\\alpha$ Fabry-Perot System). The two sets of observations have comparable angular and spectral resolutions, enabling us to identify 142 giant molecular clouds (GMCs) and 303 HII regions. We have measured, and compared, their basic physical properties (radius, velocity dispersion, luminosity). For the HII regions, we find two physical regimes, one for masses $>10^{5.4} \\mathrm{M_{\\odot}}$ of ionized g","authors_text":"Bego\\~na Garc\\'ia-Lorenzo, Javier Zaragoza-Cardiel, Joan Font, John E. Beckman, Leonel Guti\\'errez, Santiago Erroz-Ferrer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T20:34:42Z","title":"Two physical regimes for the Giant HII Regions and Giant Molecular Clouds in the Antennae Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1251","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":"sha256:8b3cedb826c0edc3047fa6e8859d9cfe41dbf91d2470f44c935c3d5b19b1e12e","target":"record","created_at":"2026-05-18T02:35:46Z","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":"fad48b3af6f961508c6ecfda767dfd7edcbaa67eeb5a62d6f948a7b785262224","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T20:34:42Z","title_canon_sha256":"08de648ce1f8618e0ae48ea7be6e2b589c7600068befddebf5d13a8a8f931b04"},"schema_version":"1.0","source":{"id":"1409.1251","kind":"arxiv","version":3}},"canonical_sha256":"f114b3439e118d4a7cb1037c3ccb942caac761d33f19286aa983bce0b1331ac4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f114b3439e118d4a7cb1037c3ccb942caac761d33f19286aa983bce0b1331ac4","first_computed_at":"2026-05-18T02:35:46.973380Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:46.973380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bc3eikD43+oqOv8zGZWh7Gbp4RuKoEpbTHxBwyqHifWJpjRbqKbJ0zlSIZvwQMR26MNKJeUA3hbKCdJBPtJ/AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:46.973811Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1251","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b3cedb826c0edc3047fa6e8859d9cfe41dbf91d2470f44c935c3d5b19b1e12e","sha256:ad7440e21bbde340042bbed8be8c694bbabc0705a619e50c0337e57e2f9517e4"],"state_sha256":"3e32cab3f3a0375018561b2092d9edd57ddeaa3b864b79c580f1e066346639c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aZXyVt/a5lPf6+z53bxsywjQZgVb+IQ8zGOF9cPYAPrLLO6+KBW04HB5FSSq73w/jQwsOvwnmONj7bK6/PihAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:42:50.770580Z","bundle_sha256":"eab217ccb613adb4658f2db025a0569fa81c89d07540cb47e02364682084c044"}}