{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2H4D2VNQHSUMJ3EZQNTAYGE6RS","short_pith_number":"pith:2H4D2VNQ","canonical_record":{"source":{"id":"2409.20311","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-30T14:11:08Z","cross_cats_sorted":[],"title_canon_sha256":"fe68f3604ca768aa275c7e9ba2414de0fa5aba14c1f0f6b341f0bca689c0767c","abstract_canon_sha256":"3e12e8fa3f371bf3cfb71b7762270bf5a6ca55032e67e6e611b4957bf50cfaa2"},"schema_version":"1.0"},"canonical_sha256":"d1f83d55b03ca8c4ec9983660c189e8c918c9490ad13aa2cbf11459f324f135e","source":{"kind":"arxiv","id":"2409.20311","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.20311","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"arxiv_version","alias_value":"2409.20311v1","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.20311","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"pith_short_12","alias_value":"2H4D2VNQHSUM","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"pith_short_16","alias_value":"2H4D2VNQHSUMJ3EZ","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"pith_short_8","alias_value":"2H4D2VNQ","created_at":"2026-07-05T09:13:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2H4D2VNQHSUMJ3EZQNTAYGE6RS","target":"record","payload":{"canonical_record":{"source":{"id":"2409.20311","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-30T14:11:08Z","cross_cats_sorted":[],"title_canon_sha256":"fe68f3604ca768aa275c7e9ba2414de0fa5aba14c1f0f6b341f0bca689c0767c","abstract_canon_sha256":"3e12e8fa3f371bf3cfb71b7762270bf5a6ca55032e67e6e611b4957bf50cfaa2"},"schema_version":"1.0"},"canonical_sha256":"d1f83d55b03ca8c4ec9983660c189e8c918c9490ad13aa2cbf11459f324f135e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:13:41.606695Z","signature_b64":"+EfOSxC5JHkf+0z3pQKKVvFA9b6xLx1RYC6oHq8mqa43IEI8hSYdzIUPfpl1Q0lem221I8riH7E7miDcBwv3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1f83d55b03ca8c4ec9983660c189e8c918c9490ad13aa2cbf11459f324f135e","last_reissued_at":"2026-07-05T09:13:41.606278Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:13:41.606278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.20311","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":"2026-07-05T09:13:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kv646C0hdFlyuC8QPllB+7QMlX54odgnB5mIJTg+JLOmFvoEzbX/qGf/KZh71U3qk0Fe9YrK9Bjxt4a83CYhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T22:23:55.741870Z"},"content_sha256":"d0d09aa5d22309527c14e145735c0dd6b008e299d4673694a055a3fe611c0bef","schema_version":"1.0","event_id":"sha256:d0d09aa5d22309527c14e145735c0dd6b008e299d4673694a055a3fe611c0bef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2H4D2VNQHSUMJ3EZQNTAYGE6RS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local HI Absorption towards the Magellanic Cloud foreground using ASKAP","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amit Seta, Antoine Marchal, Callum Lynn, Claire E. Murray, Denis Leahy, Gilles Joncas, Helga D\\'enes, Hiep Nguyen, Ian Kemp, Jacco Th. van Loon, James Dempsey, John M. Dickey, J. R. Dawson, Juan D. Soler, Katherine Jameson, Marc-Antoine Miville-Desch\\^enes, Michael P. Busch, Min-Young Lee, Nickolas M. Pingel, N. M. McClure-Griffiths, Sne\\v{z}ana Stanimirovi\\'c, Steven Gibson, Susan E. Clark, Yik Ki Ma","submitted_at":"2024-09-30T14:11:08Z","abstract_excerpt":"We present the largest Galactic neutral hydrogen HI absorption survey to date, utilizing the Australian SKA Pathfinder Telescope at an unprecedented spatial resolution of 30''. This survey, GASKAP-HI, unbiasedly targets 2,714 continuum background sources over 250 square degrees in the direction of the Magellanic Clouds, a significant increase compared to a total of 373 sources observed by previous Galactic absorption surveys across the entire Milky Way. We aim to investigate the physical properties of cold (CNM) and warm (WNM) neutral atomic gas in the Milky Way foreground, characterized by tw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.20311","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2409.20311/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:13:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DqIhO508SYeswJ+s7esNqfS4dgN8FiQ3fehpOEJ85mpL7sNNsqmLq0WxtfzVBt0826Rqf7FeFBg1/QLEOo/4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T22:23:55.742435Z"},"content_sha256":"5b406f53164890e417f6074dead3885278c1dda705a699363e03e6d04fa27bf1","schema_version":"1.0","event_id":"sha256:5b406f53164890e417f6074dead3885278c1dda705a699363e03e6d04fa27bf1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2H4D2VNQHSUMJ3EZQNTAYGE6RS/bundle.json","state_url":"https://pith.science/pith/2H4D2VNQHSUMJ3EZQNTAYGE6RS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2H4D2VNQHSUMJ3EZQNTAYGE6RS/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":"2026-08-16T22:23:55Z","links":{"resolver":"https://pith.science/pith/2H4D2VNQHSUMJ3EZQNTAYGE6RS","bundle":"https://pith.science/pith/2H4D2VNQHSUMJ3EZQNTAYGE6RS/bundle.json","state":"https://pith.science/pith/2H4D2VNQHSUMJ3EZQNTAYGE6RS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2H4D2VNQHSUMJ3EZQNTAYGE6RS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2H4D2VNQHSUMJ3EZQNTAYGE6RS","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":"3e12e8fa3f371bf3cfb71b7762270bf5a6ca55032e67e6e611b4957bf50cfaa2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-30T14:11:08Z","title_canon_sha256":"fe68f3604ca768aa275c7e9ba2414de0fa5aba14c1f0f6b341f0bca689c0767c"},"schema_version":"1.0","source":{"id":"2409.20311","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.20311","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"arxiv_version","alias_value":"2409.20311v1","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.20311","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"pith_short_12","alias_value":"2H4D2VNQHSUM","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"pith_short_16","alias_value":"2H4D2VNQHSUMJ3EZ","created_at":"2026-07-05T09:13:41Z"},{"alias_kind":"pith_short_8","alias_value":"2H4D2VNQ","created_at":"2026-07-05T09:13:41Z"}],"graph_snapshots":[{"event_id":"sha256:5b406f53164890e417f6074dead3885278c1dda705a699363e03e6d04fa27bf1","target":"graph","created_at":"2026-07-05T09:13:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2409.20311/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the largest Galactic neutral hydrogen HI absorption survey to date, utilizing the Australian SKA Pathfinder Telescope at an unprecedented spatial resolution of 30''. This survey, GASKAP-HI, unbiasedly targets 2,714 continuum background sources over 250 square degrees in the direction of the Magellanic Clouds, a significant increase compared to a total of 373 sources observed by previous Galactic absorption surveys across the entire Milky Way. We aim to investigate the physical properties of cold (CNM) and warm (WNM) neutral atomic gas in the Milky Way foreground, characterized by tw","authors_text":"Amit Seta, Antoine Marchal, Callum Lynn, Claire E. Murray, Denis Leahy, Gilles Joncas, Helga D\\'enes, Hiep Nguyen, Ian Kemp, Jacco Th. van Loon, James Dempsey, John M. Dickey, J. R. Dawson, Juan D. Soler, Katherine Jameson, Marc-Antoine Miville-Desch\\^enes, Michael P. Busch, Min-Young Lee, Nickolas M. Pingel, N. M. McClure-Griffiths, Sne\\v{z}ana Stanimirovi\\'c, Steven Gibson, Susan E. Clark, Yik Ki Ma","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-30T14:11:08Z","title":"Local HI Absorption towards the Magellanic Cloud foreground using ASKAP"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.20311","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:d0d09aa5d22309527c14e145735c0dd6b008e299d4673694a055a3fe611c0bef","target":"record","created_at":"2026-07-05T09:13:41Z","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":"3e12e8fa3f371bf3cfb71b7762270bf5a6ca55032e67e6e611b4957bf50cfaa2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-30T14:11:08Z","title_canon_sha256":"fe68f3604ca768aa275c7e9ba2414de0fa5aba14c1f0f6b341f0bca689c0767c"},"schema_version":"1.0","source":{"id":"2409.20311","kind":"arxiv","version":1}},"canonical_sha256":"d1f83d55b03ca8c4ec9983660c189e8c918c9490ad13aa2cbf11459f324f135e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1f83d55b03ca8c4ec9983660c189e8c918c9490ad13aa2cbf11459f324f135e","first_computed_at":"2026-07-05T09:13:41.606278Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:13:41.606278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+EfOSxC5JHkf+0z3pQKKVvFA9b6xLx1RYC6oHq8mqa43IEI8hSYdzIUPfpl1Q0lem221I8riH7E7miDcBwv3AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:13:41.606695Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.20311","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0d09aa5d22309527c14e145735c0dd6b008e299d4673694a055a3fe611c0bef","sha256:5b406f53164890e417f6074dead3885278c1dda705a699363e03e6d04fa27bf1"],"state_sha256":"39b83faf57787bc3f21cd2ce85b7a78a449efcbed6b40a20ee91f246e8104ca8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJCQluGCwcQst7HuVpo6HmmwTJlZyfCdEucyOX48eLAVNLyOHguslgCxHpdc6UNitj4bxpF1hVrb53YP6ZaVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T22:23:55.747322Z","bundle_sha256":"d9244615daaca4a732d6dfd7c98dc0bbe85f645e1f76870cf726d1958de1ce8c"}}