{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KKEJWNHSJ6FWUKC2H4ID5YRJFX","short_pith_number":"pith:KKEJWNHS","canonical_record":{"source":{"id":"1406.4055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T15:56:48Z","cross_cats_sorted":[],"title_canon_sha256":"d90c668b97db8088f5e2e2f2f9748dc8b197572d7811b6e104762e3dac59b619","abstract_canon_sha256":"d4c8df9832c2708832d9a31071b0e498f6ae7ecd078d1ac0645e5e217d7de2c6"},"schema_version":"1.0"},"canonical_sha256":"52889b34f24f8b6a285a3f103ee2292dfe3155bfd55eee81a24f4f22682a15cb","source":{"kind":"arxiv","id":"1406.4055","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4055","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4055v1","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4055","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"pith_short_12","alias_value":"KKEJWNHSJ6FW","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KKEJWNHSJ6FWUKC2","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KKEJWNHS","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KKEJWNHSJ6FWUKC2H4ID5YRJFX","target":"record","payload":{"canonical_record":{"source":{"id":"1406.4055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T15:56:48Z","cross_cats_sorted":[],"title_canon_sha256":"d90c668b97db8088f5e2e2f2f9748dc8b197572d7811b6e104762e3dac59b619","abstract_canon_sha256":"d4c8df9832c2708832d9a31071b0e498f6ae7ecd078d1ac0645e5e217d7de2c6"},"schema_version":"1.0"},"canonical_sha256":"52889b34f24f8b6a285a3f103ee2292dfe3155bfd55eee81a24f4f22682a15cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:56.459869Z","signature_b64":"zJtBai+9GG8gg3rSuY+trVoI4Vc6BDu/2tgk0lH67fP55bCTmUF+7p+jORRR9eVOw8GWCZuTM0BUJysopZ5BDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52889b34f24f8b6a285a3f103ee2292dfe3155bfd55eee81a24f4f22682a15cb","last_reissued_at":"2026-05-18T01:42:56.459341Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:56.459341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.4055","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":"2026-05-18T01:42:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eafp9KBKJcbnItcgUJAoqQ9LupJghT6WEfKi8lb54jeSUZxd0CYa3ehidvNpNjj9byazDCZimplnsPVLUEQhCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:51:03.195019Z"},"content_sha256":"3c6aa3226f1f42f4ac5e2843bc4de4d2e4f8ccbdce250c86de2d76e27ef9ebcb","schema_version":"1.0","event_id":"sha256:3c6aa3226f1f42f4ac5e2843bc4de4d2e4f8ccbdce250c86de2d76e27ef9ebcb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KKEJWNHSJ6FWUKC2H4ID5YRJFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From Gas to Stars in Energetic Environments: Dense Gas Clumps in the 30 Doradus Region Within the Large Magellanic Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Annie Hughes, Christian Henkel, Crystal N. Anderson, David S. Meier, Erik Muller, Jonathan Seale, Jorge L. Pineda, J\\\"urgen Ott, Leslie Looney, Remy Indebetouw, Rosie Chen, Tony Wong","submitted_at":"2014-06-16T15:56:48Z","abstract_excerpt":"We present parsec scale interferometric maps of HCN(1-0) and HCO$^{+}$(1-0) emission from dense gas in the star-forming region 30 Doradus, obtained using the Australia Telescope Compact Array. This extreme star-forming region, located in the Large Magellanic Cloud (LMC), is characterized by a very intense ultraviolet ionizing radiation field and sub-solar metallicity, both of which are expected to impact molecular cloud structure. We detect 13 bright, dense clumps within the 30 Doradus-10 giant molecular cloud. Some of the clumps are aligned along a filamentary structure with a characteristic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4055","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":"2026-05-18T01:42:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WrQ3/56z8aQ3xy0/7ZjxyhklghtZ9L5pTp1dQXfddbO2bKz8ruB5ajVy9qE9dw1wt1r2TfIyaMSozyUE7MujBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:51:03.195381Z"},"content_sha256":"46890d232dde2406a827de19fe202045c6631ab9a6a1f4da622218d14f9ac93b","schema_version":"1.0","event_id":"sha256:46890d232dde2406a827de19fe202045c6631ab9a6a1f4da622218d14f9ac93b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KKEJWNHSJ6FWUKC2H4ID5YRJFX/bundle.json","state_url":"https://pith.science/pith/KKEJWNHSJ6FWUKC2H4ID5YRJFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KKEJWNHSJ6FWUKC2H4ID5YRJFX/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":"2026-05-19T18:51:03Z","links":{"resolver":"https://pith.science/pith/KKEJWNHSJ6FWUKC2H4ID5YRJFX","bundle":"https://pith.science/pith/KKEJWNHSJ6FWUKC2H4ID5YRJFX/bundle.json","state":"https://pith.science/pith/KKEJWNHSJ6FWUKC2H4ID5YRJFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KKEJWNHSJ6FWUKC2H4ID5YRJFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KKEJWNHSJ6FWUKC2H4ID5YRJFX","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":"d4c8df9832c2708832d9a31071b0e498f6ae7ecd078d1ac0645e5e217d7de2c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T15:56:48Z","title_canon_sha256":"d90c668b97db8088f5e2e2f2f9748dc8b197572d7811b6e104762e3dac59b619"},"schema_version":"1.0","source":{"id":"1406.4055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4055","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4055v1","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4055","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"pith_short_12","alias_value":"KKEJWNHSJ6FW","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KKEJWNHSJ6FWUKC2","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KKEJWNHS","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:46890d232dde2406a827de19fe202045c6631ab9a6a1f4da622218d14f9ac93b","target":"graph","created_at":"2026-05-18T01:42:56Z","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 parsec scale interferometric maps of HCN(1-0) and HCO$^{+}$(1-0) emission from dense gas in the star-forming region 30 Doradus, obtained using the Australia Telescope Compact Array. This extreme star-forming region, located in the Large Magellanic Cloud (LMC), is characterized by a very intense ultraviolet ionizing radiation field and sub-solar metallicity, both of which are expected to impact molecular cloud structure. We detect 13 bright, dense clumps within the 30 Doradus-10 giant molecular cloud. Some of the clumps are aligned along a filamentary structure with a characteristic ","authors_text":"Annie Hughes, Christian Henkel, Crystal N. Anderson, David S. Meier, Erik Muller, Jonathan Seale, Jorge L. Pineda, J\\\"urgen Ott, Leslie Looney, Remy Indebetouw, Rosie Chen, Tony Wong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T15:56:48Z","title":"From Gas to Stars in Energetic Environments: Dense Gas Clumps in the 30 Doradus Region Within the Large Magellanic Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4055","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":"sha256:3c6aa3226f1f42f4ac5e2843bc4de4d2e4f8ccbdce250c86de2d76e27ef9ebcb","target":"record","created_at":"2026-05-18T01:42:56Z","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":"d4c8df9832c2708832d9a31071b0e498f6ae7ecd078d1ac0645e5e217d7de2c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T15:56:48Z","title_canon_sha256":"d90c668b97db8088f5e2e2f2f9748dc8b197572d7811b6e104762e3dac59b619"},"schema_version":"1.0","source":{"id":"1406.4055","kind":"arxiv","version":1}},"canonical_sha256":"52889b34f24f8b6a285a3f103ee2292dfe3155bfd55eee81a24f4f22682a15cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52889b34f24f8b6a285a3f103ee2292dfe3155bfd55eee81a24f4f22682a15cb","first_computed_at":"2026-05-18T01:42:56.459341Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:56.459341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zJtBai+9GG8gg3rSuY+trVoI4Vc6BDu/2tgk0lH67fP55bCTmUF+7p+jORRR9eVOw8GWCZuTM0BUJysopZ5BDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:56.459869Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.4055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c6aa3226f1f42f4ac5e2843bc4de4d2e4f8ccbdce250c86de2d76e27ef9ebcb","sha256:46890d232dde2406a827de19fe202045c6631ab9a6a1f4da622218d14f9ac93b"],"state_sha256":"2e1a6a4edb2e11c785fb03ca1d552a839a28229d6a971b6d2f1afd4557b9df25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fi/eUMw129Xtz2nWUx8gduXgAyONv6IYLSAJ9fhugr/5lew16dm7EXjAIaw8RbMCULnc9LGA3cIBFf2O/BHwAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T18:51:03.197368Z","bundle_sha256":"563913fc2f3e0154c70e8c5998ed3707c4a61623633f23912d862275ccb0ef86"}}