{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:2EVNFPPAZUCFHLUXU7S4UZTVO2","short_pith_number":"pith:2EVNFPPA","canonical_record":{"source":{"id":"astro-ph/0701759","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-26T09:06:57Z","cross_cats_sorted":[],"title_canon_sha256":"761dd70f3c736f2aa24b67da3fd76d7370a4b4d5ba2e331543f0fa1736b9c446","abstract_canon_sha256":"ec51912122b2393152f70648e7c2b6c3d163b53b6552b7a3a48dd078defbccf0"},"schema_version":"1.0"},"canonical_sha256":"d12ad2bde0cd0453ae97a7e5ca667576a7bb34f9bad87f433ec976981fe60334","source":{"kind":"arxiv","id":"astro-ph/0701759","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701759","created_at":"2026-05-18T01:40:27Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701759v3","created_at":"2026-05-18T01:40:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701759","created_at":"2026-05-18T01:40:27Z"},{"alias_kind":"pith_short_12","alias_value":"2EVNFPPAZUCF","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"2EVNFPPAZUCFHLUX","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"2EVNFPPA","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:2EVNFPPAZUCFHLUXU7S4UZTVO2","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0701759","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-26T09:06:57Z","cross_cats_sorted":[],"title_canon_sha256":"761dd70f3c736f2aa24b67da3fd76d7370a4b4d5ba2e331543f0fa1736b9c446","abstract_canon_sha256":"ec51912122b2393152f70648e7c2b6c3d163b53b6552b7a3a48dd078defbccf0"},"schema_version":"1.0"},"canonical_sha256":"d12ad2bde0cd0453ae97a7e5ca667576a7bb34f9bad87f433ec976981fe60334","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:27.043650Z","signature_b64":"t5YoRcFDkTmfEAoUxFH8d4SPceOlI+9BZJbyXRkTE/0PeoGEDGpz8a4bYsMc6vc8SpVHkjm8AQLbudwGU7z8CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d12ad2bde0cd0453ae97a7e5ca667576a7bb34f9bad87f433ec976981fe60334","last_reissued_at":"2026-05-18T01:40:27.043072Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:27.043072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0701759","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":"2026-05-18T01:40:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RqDTcHvBj23RERKcFJhkKhYDMk3f4vmImAP7ymx/P1PWB8eHwPCGUx3O8yL5mdAFa9V0G7AAk8z5k4lE/l4FCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T05:48:43.533095Z"},"content_sha256":"560b8c1bd4dd75b5ada70221cbd6a8df0458cb8b1990eaeb07abf61fd8674b9e","schema_version":"1.0","event_id":"sha256:560b8c1bd4dd75b5ada70221cbd6a8df0458cb8b1990eaeb07abf61fd8674b9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:2EVNFPPAZUCFHLUXU7S4UZTVO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ASTE CO(3-2) Observations of the Barred Spiral Galaxy M 83: I. Correlation between CO(3-2)/CO(1-0) Ratios and Star Formation Efficiencies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Akira Endo, Bunyo Hatsukade, Hajime Ezawa, Juan Cortes, Kazuhisa Kamegai, Kazuo Sorai, Kazuyuki Muraoka, Kotaro Kohno, Kouichiro Nakanishi, Kunihiko Tanaka, Nario Kuno, Nobuyuki Yamaguchi, Ryohei Kawabe, Seiichi Sakamoto, Takeshi Okuda, Takeshi Sakai, Tomoka Tosaki","submitted_at":"2007-01-26T09:06:57Z","abstract_excerpt":"We present CO(J=3-2) emission observations with the Atacama Submillimeter Telescope Experiment (ASTE) toward the 5' x 5' (or 6.6 x 6.6 kpc at the distance D = 4.5 Mpc) region of the nearby barred spiral galaxy M 83. We successfully resolved the major structures, i.e., the nuclear starburst region, bar, and inner spiral arms in CO(J=3-2) emission at a resolution of 22'' (or 480 pc), showing a good spatial coincidence between CO(J=3-2) and 6 cm continuum emissions. We found a global CO(J=3-2) luminosity L'_CO(3-2) of 5.1 x 10^8 K km s^-1 pc^2 within the observed region. We also found L'_CO(3-2) "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701759","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":"2026-05-18T01:40:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i4q6Xdu2p2AsJYbJFdRCwe0fBomAn8u5swsoRtxT9v8WSFcqdRLOYa/JwSWNEEezLmk8zLJ8dn0qzTLx5KevDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T05:48:43.533462Z"},"content_sha256":"6206d2ea0bf0d289ed47fcfd3076ffd9b163fdf85ee313eb75df13224724573c","schema_version":"1.0","event_id":"sha256:6206d2ea0bf0d289ed47fcfd3076ffd9b163fdf85ee313eb75df13224724573c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2EVNFPPAZUCFHLUXU7S4UZTVO2/bundle.json","state_url":"https://pith.science/pith/2EVNFPPAZUCFHLUXU7S4UZTVO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2EVNFPPAZUCFHLUXU7S4UZTVO2/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":"2026-05-20T05:48:43Z","links":{"resolver":"https://pith.science/pith/2EVNFPPAZUCFHLUXU7S4UZTVO2","bundle":"https://pith.science/pith/2EVNFPPAZUCFHLUXU7S4UZTVO2/bundle.json","state":"https://pith.science/pith/2EVNFPPAZUCFHLUXU7S4UZTVO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2EVNFPPAZUCFHLUXU7S4UZTVO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:2EVNFPPAZUCFHLUXU7S4UZTVO2","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":"ec51912122b2393152f70648e7c2b6c3d163b53b6552b7a3a48dd078defbccf0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-26T09:06:57Z","title_canon_sha256":"761dd70f3c736f2aa24b67da3fd76d7370a4b4d5ba2e331543f0fa1736b9c446"},"schema_version":"1.0","source":{"id":"astro-ph/0701759","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701759","created_at":"2026-05-18T01:40:27Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701759v3","created_at":"2026-05-18T01:40:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701759","created_at":"2026-05-18T01:40:27Z"},{"alias_kind":"pith_short_12","alias_value":"2EVNFPPAZUCF","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"2EVNFPPAZUCFHLUX","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"2EVNFPPA","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:6206d2ea0bf0d289ed47fcfd3076ffd9b163fdf85ee313eb75df13224724573c","target":"graph","created_at":"2026-05-18T01:40:27Z","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 CO(J=3-2) emission observations with the Atacama Submillimeter Telescope Experiment (ASTE) toward the 5' x 5' (or 6.6 x 6.6 kpc at the distance D = 4.5 Mpc) region of the nearby barred spiral galaxy M 83. We successfully resolved the major structures, i.e., the nuclear starburst region, bar, and inner spiral arms in CO(J=3-2) emission at a resolution of 22'' (or 480 pc), showing a good spatial coincidence between CO(J=3-2) and 6 cm continuum emissions. We found a global CO(J=3-2) luminosity L'_CO(3-2) of 5.1 x 10^8 K km s^-1 pc^2 within the observed region. We also found L'_CO(3-2) ","authors_text":"Akira Endo, Bunyo Hatsukade, Hajime Ezawa, Juan Cortes, Kazuhisa Kamegai, Kazuo Sorai, Kazuyuki Muraoka, Kotaro Kohno, Kouichiro Nakanishi, Kunihiko Tanaka, Nario Kuno, Nobuyuki Yamaguchi, Ryohei Kawabe, Seiichi Sakamoto, Takeshi Okuda, Takeshi Sakai, Tomoka Tosaki","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-01-26T09:06:57Z","title":"ASTE CO(3-2) Observations of the Barred Spiral Galaxy M 83: I. Correlation between CO(3-2)/CO(1-0) Ratios and Star Formation Efficiencies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701759","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":"sha256:560b8c1bd4dd75b5ada70221cbd6a8df0458cb8b1990eaeb07abf61fd8674b9e","target":"record","created_at":"2026-05-18T01:40:27Z","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":"ec51912122b2393152f70648e7c2b6c3d163b53b6552b7a3a48dd078defbccf0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-26T09:06:57Z","title_canon_sha256":"761dd70f3c736f2aa24b67da3fd76d7370a4b4d5ba2e331543f0fa1736b9c446"},"schema_version":"1.0","source":{"id":"astro-ph/0701759","kind":"arxiv","version":3}},"canonical_sha256":"d12ad2bde0cd0453ae97a7e5ca667576a7bb34f9bad87f433ec976981fe60334","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d12ad2bde0cd0453ae97a7e5ca667576a7bb34f9bad87f433ec976981fe60334","first_computed_at":"2026-05-18T01:40:27.043072Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:27.043072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t5YoRcFDkTmfEAoUxFH8d4SPceOlI+9BZJbyXRkTE/0PeoGEDGpz8a4bYsMc6vc8SpVHkjm8AQLbudwGU7z8CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:27.043650Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0701759","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:560b8c1bd4dd75b5ada70221cbd6a8df0458cb8b1990eaeb07abf61fd8674b9e","sha256:6206d2ea0bf0d289ed47fcfd3076ffd9b163fdf85ee313eb75df13224724573c"],"state_sha256":"87a2d1ba6ea9fe0ce07e8efacf83663d13dd7a7348aba841ec30e7a186e8ebe2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PDlh+/kQwsFZcKSxzkyw4LcnK2myphNfGLQMU4heCcTaCqJBoAwavnS9bksrCB8UB05g1EIFd6FumWCHdySgBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T05:48:43.535453Z","bundle_sha256":"64da9b541310bf00d34fd21bafb1883f9b9c9040cc09a5f06ebaf89f3ed4b4cc"}}