{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SJHWLMOKBUH4PZIYEFD4J2WAEB","short_pith_number":"pith:SJHWLMOK","canonical_record":{"source":{"id":"1708.02864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-09T15:08:05Z","cross_cats_sorted":[],"title_canon_sha256":"791cb539cbcc337f6db6f55aa08b5601c913e813b025b90ea5f3df335bcda8c1","abstract_canon_sha256":"052cd918ae8516a8e7af09622b8395a27236ca10c4c47c8f0b95c1e6795133f1"},"schema_version":"1.0"},"canonical_sha256":"924f65b1ca0d0fc7e5182147c4eac02045e067b6868f37db91e9712b8a83a9cb","source":{"kind":"arxiv","id":"1708.02864","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02864","created_at":"2026-05-18T00:38:19Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02864v1","created_at":"2026-05-18T00:38:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02864","created_at":"2026-05-18T00:38:19Z"},{"alias_kind":"pith_short_12","alias_value":"SJHWLMOKBUH4","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SJHWLMOKBUH4PZIY","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SJHWLMOK","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SJHWLMOKBUH4PZIYEFD4J2WAEB","target":"record","payload":{"canonical_record":{"source":{"id":"1708.02864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-09T15:08:05Z","cross_cats_sorted":[],"title_canon_sha256":"791cb539cbcc337f6db6f55aa08b5601c913e813b025b90ea5f3df335bcda8c1","abstract_canon_sha256":"052cd918ae8516a8e7af09622b8395a27236ca10c4c47c8f0b95c1e6795133f1"},"schema_version":"1.0"},"canonical_sha256":"924f65b1ca0d0fc7e5182147c4eac02045e067b6868f37db91e9712b8a83a9cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:19.284744Z","signature_b64":"Pn+U9DdC13wv99xbp757U3pZwHOWId2lVT6QrhoFg89ISUHqhWEwZAq7d5kiDtDgcILiLib0jS+8Rmh1e+kVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"924f65b1ca0d0fc7e5182147c4eac02045e067b6868f37db91e9712b8a83a9cb","last_reissued_at":"2026-05-18T00:38:19.284026Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:19.284026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.02864","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":"2026-05-18T00:38:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7u39gEtqcTV9ZzgWTZfXNDJa2diHf2nkv1quffzStqUG1otr78BVideEpSi45sl7lm+2syF59PZNZuv2S3RGCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:25:49.254680Z"},"content_sha256":"c3aa742c6c278f46a9d11bd0d93971d3133d28aa82d649792acb65779752de88","schema_version":"1.0","event_id":"sha256:c3aa742c6c278f46a9d11bd0d93971d3133d28aa82d649792acb65779752de88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SJHWLMOKBUH4PZIYEFD4J2WAEB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Carina Nebula and Gum 31 molecular complex: II. The distribution of the atomic gas revealed in unprecedented detail","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anne J. Green, B. M. Gaensler, Catherine Braiding, Cormac Purcell, David Rebolledo, Kate Brooks, Michael Burton, Shari L. Breen, Yanett Contreras","submitted_at":"2017-08-09T15:08:05Z","abstract_excerpt":"We report high spatial resolution observations of the HI 21cm line in the Carina Nebula and the Gum 31 region obtained with the Australia Telescope Compact Array. The observations covered $\\sim$ 12 deg$^2$ centred on $l= 287.5\\deg,b = -1\\deg$, achieving an angular resolution of $\\sim $ 35 arcseconds. The HI map revealed complex filamentary structures across a wide range of velocities. Several \"bubbles\" are clearly identified in the Carina Nebula Complex, produced by the impact of the massive star clusters located in this region. An HI absorption profile obtained towards the strong extragalacti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02864","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":"2026-05-18T00:38:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IQ8X19rj399jECBEQRsPl/j3Ne09fCxAq4e8F9XLMLb+gqyY+y0MNyLdaGK26oIbwl30Kb5uNbBoVSh5IFKHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:25:49.255378Z"},"content_sha256":"e485cacf0524d0e1c1858fce56fb83c44af1f06be3b3be9a46f3a544ad450c24","schema_version":"1.0","event_id":"sha256:e485cacf0524d0e1c1858fce56fb83c44af1f06be3b3be9a46f3a544ad450c24"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SJHWLMOKBUH4PZIYEFD4J2WAEB/bundle.json","state_url":"https://pith.science/pith/SJHWLMOKBUH4PZIYEFD4J2WAEB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SJHWLMOKBUH4PZIYEFD4J2WAEB/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":"2026-05-31T20:25:49Z","links":{"resolver":"https://pith.science/pith/SJHWLMOKBUH4PZIYEFD4J2WAEB","bundle":"https://pith.science/pith/SJHWLMOKBUH4PZIYEFD4J2WAEB/bundle.json","state":"https://pith.science/pith/SJHWLMOKBUH4PZIYEFD4J2WAEB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SJHWLMOKBUH4PZIYEFD4J2WAEB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SJHWLMOKBUH4PZIYEFD4J2WAEB","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":"052cd918ae8516a8e7af09622b8395a27236ca10c4c47c8f0b95c1e6795133f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-09T15:08:05Z","title_canon_sha256":"791cb539cbcc337f6db6f55aa08b5601c913e813b025b90ea5f3df335bcda8c1"},"schema_version":"1.0","source":{"id":"1708.02864","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02864","created_at":"2026-05-18T00:38:19Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02864v1","created_at":"2026-05-18T00:38:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02864","created_at":"2026-05-18T00:38:19Z"},{"alias_kind":"pith_short_12","alias_value":"SJHWLMOKBUH4","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SJHWLMOKBUH4PZIY","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SJHWLMOK","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:e485cacf0524d0e1c1858fce56fb83c44af1f06be3b3be9a46f3a544ad450c24","target":"graph","created_at":"2026-05-18T00:38:19Z","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 report high spatial resolution observations of the HI 21cm line in the Carina Nebula and the Gum 31 region obtained with the Australia Telescope Compact Array. The observations covered $\\sim$ 12 deg$^2$ centred on $l= 287.5\\deg,b = -1\\deg$, achieving an angular resolution of $\\sim $ 35 arcseconds. The HI map revealed complex filamentary structures across a wide range of velocities. Several \"bubbles\" are clearly identified in the Carina Nebula Complex, produced by the impact of the massive star clusters located in this region. An HI absorption profile obtained towards the strong extragalacti","authors_text":"Anne J. Green, B. M. Gaensler, Catherine Braiding, Cormac Purcell, David Rebolledo, Kate Brooks, Michael Burton, Shari L. Breen, Yanett Contreras","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-09T15:08:05Z","title":"The Carina Nebula and Gum 31 molecular complex: II. The distribution of the atomic gas revealed in unprecedented detail"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02864","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:c3aa742c6c278f46a9d11bd0d93971d3133d28aa82d649792acb65779752de88","target":"record","created_at":"2026-05-18T00:38:19Z","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":"052cd918ae8516a8e7af09622b8395a27236ca10c4c47c8f0b95c1e6795133f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-09T15:08:05Z","title_canon_sha256":"791cb539cbcc337f6db6f55aa08b5601c913e813b025b90ea5f3df335bcda8c1"},"schema_version":"1.0","source":{"id":"1708.02864","kind":"arxiv","version":1}},"canonical_sha256":"924f65b1ca0d0fc7e5182147c4eac02045e067b6868f37db91e9712b8a83a9cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"924f65b1ca0d0fc7e5182147c4eac02045e067b6868f37db91e9712b8a83a9cb","first_computed_at":"2026-05-18T00:38:19.284026Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:19.284026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pn+U9DdC13wv99xbp757U3pZwHOWId2lVT6QrhoFg89ISUHqhWEwZAq7d5kiDtDgcILiLib0jS+8Rmh1e+kVCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:19.284744Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.02864","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3aa742c6c278f46a9d11bd0d93971d3133d28aa82d649792acb65779752de88","sha256:e485cacf0524d0e1c1858fce56fb83c44af1f06be3b3be9a46f3a544ad450c24"],"state_sha256":"50cce6f37a28cc270b7c9ed617f2d889f1f973a6fafadada452f9fdd3ed37a6d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iuoWf6s3nT45UlJHjABJ5R78fUpVWfnuA5p5x4InJ+ttoGldU/YmKAxdFP123H8HbVUQjMFGrZj1uT02cnmAAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:25:49.258620Z","bundle_sha256":"3b7dc4e97f66421ca40541302ec2215739d43675425af82aa2493419c4ddbb49"}}