{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:3UPG6GMKLFR32EFO4JDKYFMV5G","short_pith_number":"pith:3UPG6GMK","canonical_record":{"source":{"id":"astro-ph/0406130","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-04T21:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"105cef25a76c6db4f854b348928e6f45fc4d5afd674143f30b153e248a5c1d4e","abstract_canon_sha256":"9bb4fb38e54c73ea311586f00d38463525233412f24891dab67f09c1ff4a4856"},"schema_version":"1.0"},"canonical_sha256":"dd1e6f198a5963bd10aee246ac1595e9b8e54260a02ab587b5f6e9fa2b1bf971","source":{"kind":"arxiv","id":"astro-ph/0406130","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0406130","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0406130v1","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0406130","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"pith_short_12","alias_value":"3UPG6GMKLFR3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"3UPG6GMKLFR32EFO","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"3UPG6GMK","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:3UPG6GMKLFR32EFO4JDKYFMV5G","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0406130","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-04T21:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"105cef25a76c6db4f854b348928e6f45fc4d5afd674143f30b153e248a5c1d4e","abstract_canon_sha256":"9bb4fb38e54c73ea311586f00d38463525233412f24891dab67f09c1ff4a4856"},"schema_version":"1.0"},"canonical_sha256":"dd1e6f198a5963bd10aee246ac1595e9b8e54260a02ab587b5f6e9fa2b1bf971","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:03.275263Z","signature_b64":"74hYzrj6/6m3JOHjTURFDGQPhhYJ897ppR03ElPki5HxNgO/Uw1aTyT/NJD6ZOiFJ15fuPyaWhcpyZvMVd6sAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd1e6f198a5963bd10aee246ac1595e9b8e54260a02ab587b5f6e9fa2b1bf971","last_reissued_at":"2026-05-18T01:09:03.274868Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:03.274868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0406130","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":"2026-05-18T01:09:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LCtOsB2VBvlhMYQtoQz2dxQJGfzjH1HEKPMhHp6XqmgFXTVgzguvz6i0Fl4+ICfKQXH3rq2djISyGptzy1DzDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T12:41:16.909369Z"},"content_sha256":"43e732e0872c216817a6c4c8493f7ff1b905abe1ea09097d4c16a505de870093","schema_version":"1.0","event_id":"sha256:43e732e0872c216817a6c4c8493f7ff1b905abe1ea09097d4c16a505de870093"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:3UPG6GMKLFR32EFO4JDKYFMV5G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NGC 604, the Scaled OB Association (SOBA) Prototype. I: Spatial Distribution of the Different Gas Phases and Attenuation by Dust","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. P\\'erez, J. Ma\\'iz-Apell\\'aniz, & J. M. Mas-Hesse","submitted_at":"2004-06-04T21:40:57Z","abstract_excerpt":"We have analyzed HST and ground-based data to characterize the different gas phases and their interaction with the MYC in NGC 604, a GHR in M33. The warm ionized gas is made out of two components: a high-excitation, high-surface brightness H II surface located at the faces of the molecular clouds directly exposed to the ionizing radiation of the central SOBA; and a low-excitation, low-surface brightness halo that extends to much larger distances from the ionizing stars. The cavities created by the winds and SN explosions are filled with X-ray-emitting coronal gas. The nebular lines emitted by "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0406130","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":"2026-05-18T01:09:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ple9Rd7zb/r+liaywHcpjYmC68ONqW8v5OfnC8OqeFJGM1A2OTYHzAuMqMvYEU86qhpSmx2yCCz6AdS4G5yBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T12:41:16.909736Z"},"content_sha256":"51e59c5d9e37d377ea5f3205c40b3a796219cee209b42ac13a95f6a9546deda0","schema_version":"1.0","event_id":"sha256:51e59c5d9e37d377ea5f3205c40b3a796219cee209b42ac13a95f6a9546deda0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3UPG6GMKLFR32EFO4JDKYFMV5G/bundle.json","state_url":"https://pith.science/pith/3UPG6GMKLFR32EFO4JDKYFMV5G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3UPG6GMKLFR32EFO4JDKYFMV5G/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":"2026-06-11T12:41:16Z","links":{"resolver":"https://pith.science/pith/3UPG6GMKLFR32EFO4JDKYFMV5G","bundle":"https://pith.science/pith/3UPG6GMKLFR32EFO4JDKYFMV5G/bundle.json","state":"https://pith.science/pith/3UPG6GMKLFR32EFO4JDKYFMV5G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3UPG6GMKLFR32EFO4JDKYFMV5G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:3UPG6GMKLFR32EFO4JDKYFMV5G","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":"9bb4fb38e54c73ea311586f00d38463525233412f24891dab67f09c1ff4a4856","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-04T21:40:57Z","title_canon_sha256":"105cef25a76c6db4f854b348928e6f45fc4d5afd674143f30b153e248a5c1d4e"},"schema_version":"1.0","source":{"id":"astro-ph/0406130","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0406130","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0406130v1","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0406130","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"pith_short_12","alias_value":"3UPG6GMKLFR3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"3UPG6GMKLFR32EFO","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"3UPG6GMK","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:51e59c5d9e37d377ea5f3205c40b3a796219cee209b42ac13a95f6a9546deda0","target":"graph","created_at":"2026-05-18T01:09:03Z","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 analyzed HST and ground-based data to characterize the different gas phases and their interaction with the MYC in NGC 604, a GHR in M33. The warm ionized gas is made out of two components: a high-excitation, high-surface brightness H II surface located at the faces of the molecular clouds directly exposed to the ionizing radiation of the central SOBA; and a low-excitation, low-surface brightness halo that extends to much larger distances from the ionizing stars. The cavities created by the winds and SN explosions are filled with X-ray-emitting coronal gas. The nebular lines emitted by ","authors_text":"E. P\\'erez, J. Ma\\'iz-Apell\\'aniz, & J. M. Mas-Hesse","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-06-04T21:40:57Z","title":"NGC 604, the Scaled OB Association (SOBA) Prototype. I: Spatial Distribution of the Different Gas Phases and Attenuation by Dust"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0406130","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":"sha256:43e732e0872c216817a6c4c8493f7ff1b905abe1ea09097d4c16a505de870093","target":"record","created_at":"2026-05-18T01:09:03Z","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":"9bb4fb38e54c73ea311586f00d38463525233412f24891dab67f09c1ff4a4856","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-04T21:40:57Z","title_canon_sha256":"105cef25a76c6db4f854b348928e6f45fc4d5afd674143f30b153e248a5c1d4e"},"schema_version":"1.0","source":{"id":"astro-ph/0406130","kind":"arxiv","version":1}},"canonical_sha256":"dd1e6f198a5963bd10aee246ac1595e9b8e54260a02ab587b5f6e9fa2b1bf971","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd1e6f198a5963bd10aee246ac1595e9b8e54260a02ab587b5f6e9fa2b1bf971","first_computed_at":"2026-05-18T01:09:03.274868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:03.274868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"74hYzrj6/6m3JOHjTURFDGQPhhYJ897ppR03ElPki5HxNgO/Uw1aTyT/NJD6ZOiFJ15fuPyaWhcpyZvMVd6sAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:03.275263Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0406130","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43e732e0872c216817a6c4c8493f7ff1b905abe1ea09097d4c16a505de870093","sha256:51e59c5d9e37d377ea5f3205c40b3a796219cee209b42ac13a95f6a9546deda0"],"state_sha256":"6e46339334cb0aa409720d65a00fddf06d8534efe62ea4678d8c4f38f725c52e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"powUdlVzCJb/uKJ2/URYp0bItPV8VAkjg5E6woIa9GREWjqdrDQg5BLmNa4qd7c4p62V7LSADXPlGDFigurwCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T12:41:16.911768Z","bundle_sha256":"f5fcf3ba3908c6d3ed8ef44227a23d429cc0e7eeff61364d11828f27a0e5ff27"}}