{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6E4QJR43C7I46WV4LBI4DY5GRY","short_pith_number":"pith:6E4QJR43","canonical_record":{"source":{"id":"1703.06661","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-20T10:42:12Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a65b2e7683ce82188ae549b772beba12112c8cd1fe7ceda09c4156a9e7fcfa49","abstract_canon_sha256":"e03a030f08d22423bc861c3cf296708db38d8e3011e92f631207513042efd0db"},"schema_version":"1.0"},"canonical_sha256":"f13904c79b17d1cf5abc5851c1e3a68e36ca71f1efa73879bae676b9749838c5","source":{"kind":"arxiv","id":"1703.06661","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.06661","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1703.06661v1","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.06661","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"6E4QJR43C7I4","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6E4QJR43C7I46WV4","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6E4QJR43","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6E4QJR43C7I46WV4LBI4DY5GRY","target":"record","payload":{"canonical_record":{"source":{"id":"1703.06661","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-20T10:42:12Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a65b2e7683ce82188ae549b772beba12112c8cd1fe7ceda09c4156a9e7fcfa49","abstract_canon_sha256":"e03a030f08d22423bc861c3cf296708db38d8e3011e92f631207513042efd0db"},"schema_version":"1.0"},"canonical_sha256":"f13904c79b17d1cf5abc5851c1e3a68e36ca71f1efa73879bae676b9749838c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:12.205482Z","signature_b64":"ccOqT6fYEeVhZFsbaO6Bku6SWquGwDsimEZ4U0TD0yn8d4vA3DQ1TzSjDh35MKmNyBQXEccP2a8s33+6/PZaCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f13904c79b17d1cf5abc5851c1e3a68e36ca71f1efa73879bae676b9749838c5","last_reissued_at":"2026-05-18T00:46:12.204653Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:12.204653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.06661","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":"2026-05-18T00:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h6rufyC44Zx2Nl1bY5knQaOwsF9zHuB6iQv5pWBZXCkB7YVgPNsfisdEpbmaKqko/BqeN7hdrzb7EG1OwjarBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:22:16.729901Z"},"content_sha256":"96aac055f01ce05aac27eaf21833e3208f733b54ecb6ed0a3be9a5eae596ba20","schema_version":"1.0","event_id":"sha256:96aac055f01ce05aac27eaf21833e3208f733b54ecb6ed0a3be9a5eae596ba20"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6E4QJR43C7I46WV4LBI4DY5GRY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of submillimeter-wave [C I] emission in gaseous debris disks of 49 Ceti and Beta Pictoris","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Aki Sato, Aya E. Higuchi, Daisuke Ishihara, Hidehiro Kaneda, Hiroshi Kobayashi, Kazunari Iwasaki, Munetake Momose, Nami Sakai, Sakae Watanabe, Satoshi Yamamoto, Takashi Tsukagoshi","submitted_at":"2017-03-20T10:42:12Z","abstract_excerpt":"We have detected [C I] 3P1-3P0 emissions in the gaseous debris disks of 49 Ceti and Beta Pictoris with the 10 m telescope of the Atacama Submillimeter Telescope Experiment, which is the first detection of such emissions. The line profiles of [C I] are found to resemble those of CO(J=3-2) observed with the same telescope and the Atacama Large Millimeter/submillimeter Array. This result suggests that atomic carbon (C) coexists with CO in the debris disks, and is likely formed by the photodissociation of CO. Assuming an optically thin [C I] emission with the excitation temperature ranging from 30"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.06661","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":"2026-05-18T00:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E430qUiAGX+chJ3s10DjyPabYHs+MpUureoxxQPMjUby6MUQd1eu6qmIJtn6HZVzsu+VyeQU6gvKkTxB9/NtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:22:16.730236Z"},"content_sha256":"0aa0357e7091fe1cc1eecd0760be8a2e3f7f2df1d650a811c592a11ac7173c9a","schema_version":"1.0","event_id":"sha256:0aa0357e7091fe1cc1eecd0760be8a2e3f7f2df1d650a811c592a11ac7173c9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6E4QJR43C7I46WV4LBI4DY5GRY/bundle.json","state_url":"https://pith.science/pith/6E4QJR43C7I46WV4LBI4DY5GRY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6E4QJR43C7I46WV4LBI4DY5GRY/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":"2026-06-02T07:22:16Z","links":{"resolver":"https://pith.science/pith/6E4QJR43C7I46WV4LBI4DY5GRY","bundle":"https://pith.science/pith/6E4QJR43C7I46WV4LBI4DY5GRY/bundle.json","state":"https://pith.science/pith/6E4QJR43C7I46WV4LBI4DY5GRY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6E4QJR43C7I46WV4LBI4DY5GRY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6E4QJR43C7I46WV4LBI4DY5GRY","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":"e03a030f08d22423bc861c3cf296708db38d8e3011e92f631207513042efd0db","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-20T10:42:12Z","title_canon_sha256":"a65b2e7683ce82188ae549b772beba12112c8cd1fe7ceda09c4156a9e7fcfa49"},"schema_version":"1.0","source":{"id":"1703.06661","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.06661","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1703.06661v1","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.06661","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"6E4QJR43C7I4","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6E4QJR43C7I46WV4","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6E4QJR43","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:0aa0357e7091fe1cc1eecd0760be8a2e3f7f2df1d650a811c592a11ac7173c9a","target":"graph","created_at":"2026-05-18T00:46:12Z","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 detected [C I] 3P1-3P0 emissions in the gaseous debris disks of 49 Ceti and Beta Pictoris with the 10 m telescope of the Atacama Submillimeter Telescope Experiment, which is the first detection of such emissions. The line profiles of [C I] are found to resemble those of CO(J=3-2) observed with the same telescope and the Atacama Large Millimeter/submillimeter Array. This result suggests that atomic carbon (C) coexists with CO in the debris disks, and is likely formed by the photodissociation of CO. Assuming an optically thin [C I] emission with the excitation temperature ranging from 30","authors_text":"Aki Sato, Aya E. Higuchi, Daisuke Ishihara, Hidehiro Kaneda, Hiroshi Kobayashi, Kazunari Iwasaki, Munetake Momose, Nami Sakai, Sakae Watanabe, Satoshi Yamamoto, Takashi Tsukagoshi","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-20T10:42:12Z","title":"Detection of submillimeter-wave [C I] emission in gaseous debris disks of 49 Ceti and Beta Pictoris"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.06661","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":"sha256:96aac055f01ce05aac27eaf21833e3208f733b54ecb6ed0a3be9a5eae596ba20","target":"record","created_at":"2026-05-18T00:46:12Z","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":"e03a030f08d22423bc861c3cf296708db38d8e3011e92f631207513042efd0db","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-20T10:42:12Z","title_canon_sha256":"a65b2e7683ce82188ae549b772beba12112c8cd1fe7ceda09c4156a9e7fcfa49"},"schema_version":"1.0","source":{"id":"1703.06661","kind":"arxiv","version":1}},"canonical_sha256":"f13904c79b17d1cf5abc5851c1e3a68e36ca71f1efa73879bae676b9749838c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f13904c79b17d1cf5abc5851c1e3a68e36ca71f1efa73879bae676b9749838c5","first_computed_at":"2026-05-18T00:46:12.204653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:12.204653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ccOqT6fYEeVhZFsbaO6Bku6SWquGwDsimEZ4U0TD0yn8d4vA3DQ1TzSjDh35MKmNyBQXEccP2a8s33+6/PZaCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:12.205482Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.06661","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96aac055f01ce05aac27eaf21833e3208f733b54ecb6ed0a3be9a5eae596ba20","sha256:0aa0357e7091fe1cc1eecd0760be8a2e3f7f2df1d650a811c592a11ac7173c9a"],"state_sha256":"04f5855b5c6ead2249097e512a21302262b3e0a0b92973dd7d8792b329604367"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TwKdsptucPfhuU1nh7n8K0M1UH8B/n1OWZL2Qorr3FeuFo1q/xFYAA/iMjq4Ugm6g+lkekgwAmhd61VGA3uLCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:22:16.732299Z","bundle_sha256":"9006cca982abe21df760e694deedce3fa4da0329c89ecbfd2b10f14694e3e601"}}