{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:3TCJ7P7QJUT567GJGKUTNYC67Y","short_pith_number":"pith:3TCJ7P7Q","canonical_record":{"source":{"id":"2108.10993","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-08-24T23:25:44Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"0b1429e51bb27bc91e2887ada8cc539af22bf239dc385b8b8cfb9842d887e917","abstract_canon_sha256":"82283fb25bbc010bdbd8da7f3d3489e9feed89d253a0b3482b04689d53a01b85"},"schema_version":"1.0"},"canonical_sha256":"dcc49fbff04d27df7cc932a936e05efe2583fb736fdf563f2416258b7de3f57d","source":{"kind":"arxiv","id":"2108.10993","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.10993","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"arxiv_version","alias_value":"2108.10993v3","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.10993","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"pith_short_12","alias_value":"3TCJ7P7QJUT5","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"pith_short_16","alias_value":"3TCJ7P7QJUT567GJ","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"pith_short_8","alias_value":"3TCJ7P7Q","created_at":"2026-07-05T03:38:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:3TCJ7P7QJUT567GJGKUTNYC67Y","target":"record","payload":{"canonical_record":{"source":{"id":"2108.10993","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-08-24T23:25:44Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"0b1429e51bb27bc91e2887ada8cc539af22bf239dc385b8b8cfb9842d887e917","abstract_canon_sha256":"82283fb25bbc010bdbd8da7f3d3489e9feed89d253a0b3482b04689d53a01b85"},"schema_version":"1.0"},"canonical_sha256":"dcc49fbff04d27df7cc932a936e05efe2583fb736fdf563f2416258b7de3f57d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:38:29.196822Z","signature_b64":"rs8J8kKk/MxoCYgXO6uKhnGyrnHhw6FAkIWcb7SlR/f47qzQ1HkgulaDj8l6eOduj14mhUi/SEvdEUD0ZrAUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcc49fbff04d27df7cc932a936e05efe2583fb736fdf563f2416258b7de3f57d","last_reissued_at":"2026-07-05T03:38:29.196361Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:38:29.196361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.10993","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":"2026-07-05T03:38:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VgPcyLFzRO1rKOTxpmw9vvV7f8+90NZ3rB9fZ66R5+FJEtN/Jm6M2iCkDmGQeXzt7/v1WoIyba7pfPQv4MC/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:36:49.975747Z"},"content_sha256":"7e9e863e071095d0da141b53a013367acfdbe35c841ff945f4c72be539734c99","schema_version":"1.0","event_id":"sha256:7e9e863e071095d0da141b53a013367acfdbe35c841ff945f4c72be539734c99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:3TCJ7P7QJUT567GJGKUTNYC67Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chemical compositions in the vicinity of protostars in Ophiuchus","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Adele Plunkett, Dariusz C. Lis, Eric Herbst, Fumitaka Nakamura, Kotomi Taniguchi, Liton Majumdar, Masao Saito, Paul F. Goldsmith, Shigehisa Takakuwa","submitted_at":"2021-08-24T23:25:44Z","abstract_excerpt":"We have analyzed Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 4 Band 6 data toward two young stellar objects (YSOs), Oph-emb5 and Oph-emb9, in the Ophiuchus star-forming region. The YSO Oph-emb5 is located in a relatively quiescent region, whereas Oph-emb9 is irradiated by a nearby bright Herbig Be star. Molecular lines from $cyclic$-C$_{3}$H$_{2}$ ($c$-C$_{3}$H$_{2}$), H$_{2}$CO, CH$_{3}$OH, $^{13}$CO, C$^{18}$O, and DCO$^{+}$ have been detected from both sources, while DCN is detected only in Oph-emb9. Around Oph-emb5, $c$-C$_{3}$H$_{2}$ is enhanced at the west side, relative to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.10993","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.10993/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":"2026-07-05T03:38:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V0tCDb/AgESxBHnfj/Cu4zawSxAwMh73jvilLbTstwGx22DH2Zgdnj8wjJ0Y0rnTi8HUkFzTR1JZ5ZCNOixrBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:36:49.976422Z"},"content_sha256":"352fefedec5c4b9877cda3c6974375a0e45d58eb260b1e6a7294913cd152a519","schema_version":"1.0","event_id":"sha256:352fefedec5c4b9877cda3c6974375a0e45d58eb260b1e6a7294913cd152a519"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3TCJ7P7QJUT567GJGKUTNYC67Y/bundle.json","state_url":"https://pith.science/pith/3TCJ7P7QJUT567GJGKUTNYC67Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3TCJ7P7QJUT567GJGKUTNYC67Y/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":"2026-07-07T04:36:49Z","links":{"resolver":"https://pith.science/pith/3TCJ7P7QJUT567GJGKUTNYC67Y","bundle":"https://pith.science/pith/3TCJ7P7QJUT567GJGKUTNYC67Y/bundle.json","state":"https://pith.science/pith/3TCJ7P7QJUT567GJGKUTNYC67Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3TCJ7P7QJUT567GJGKUTNYC67Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:3TCJ7P7QJUT567GJGKUTNYC67Y","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":"82283fb25bbc010bdbd8da7f3d3489e9feed89d253a0b3482b04689d53a01b85","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-08-24T23:25:44Z","title_canon_sha256":"0b1429e51bb27bc91e2887ada8cc539af22bf239dc385b8b8cfb9842d887e917"},"schema_version":"1.0","source":{"id":"2108.10993","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.10993","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"arxiv_version","alias_value":"2108.10993v3","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.10993","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"pith_short_12","alias_value":"3TCJ7P7QJUT5","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"pith_short_16","alias_value":"3TCJ7P7QJUT567GJ","created_at":"2026-07-05T03:38:29Z"},{"alias_kind":"pith_short_8","alias_value":"3TCJ7P7Q","created_at":"2026-07-05T03:38:29Z"}],"graph_snapshots":[{"event_id":"sha256:352fefedec5c4b9877cda3c6974375a0e45d58eb260b1e6a7294913cd152a519","target":"graph","created_at":"2026-07-05T03:38:29Z","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/2108.10993/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have analyzed Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 4 Band 6 data toward two young stellar objects (YSOs), Oph-emb5 and Oph-emb9, in the Ophiuchus star-forming region. The YSO Oph-emb5 is located in a relatively quiescent region, whereas Oph-emb9 is irradiated by a nearby bright Herbig Be star. Molecular lines from $cyclic$-C$_{3}$H$_{2}$ ($c$-C$_{3}$H$_{2}$), H$_{2}$CO, CH$_{3}$OH, $^{13}$CO, C$^{18}$O, and DCO$^{+}$ have been detected from both sources, while DCN is detected only in Oph-emb9. Around Oph-emb5, $c$-C$_{3}$H$_{2}$ is enhanced at the west side, relative to","authors_text":"Adele Plunkett, Dariusz C. Lis, Eric Herbst, Fumitaka Nakamura, Kotomi Taniguchi, Liton Majumdar, Masao Saito, Paul F. Goldsmith, Shigehisa Takakuwa","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-08-24T23:25:44Z","title":"Chemical compositions in the vicinity of protostars in Ophiuchus"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.10993","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":"sha256:7e9e863e071095d0da141b53a013367acfdbe35c841ff945f4c72be539734c99","target":"record","created_at":"2026-07-05T03:38:29Z","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":"82283fb25bbc010bdbd8da7f3d3489e9feed89d253a0b3482b04689d53a01b85","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-08-24T23:25:44Z","title_canon_sha256":"0b1429e51bb27bc91e2887ada8cc539af22bf239dc385b8b8cfb9842d887e917"},"schema_version":"1.0","source":{"id":"2108.10993","kind":"arxiv","version":3}},"canonical_sha256":"dcc49fbff04d27df7cc932a936e05efe2583fb736fdf563f2416258b7de3f57d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcc49fbff04d27df7cc932a936e05efe2583fb736fdf563f2416258b7de3f57d","first_computed_at":"2026-07-05T03:38:29.196361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:38:29.196361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rs8J8kKk/MxoCYgXO6uKhnGyrnHhw6FAkIWcb7SlR/f47qzQ1HkgulaDj8l6eOduj14mhUi/SEvdEUD0ZrAUAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:38:29.196822Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.10993","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e9e863e071095d0da141b53a013367acfdbe35c841ff945f4c72be539734c99","sha256:352fefedec5c4b9877cda3c6974375a0e45d58eb260b1e6a7294913cd152a519"],"state_sha256":"7e046dc810f0d1ed72fd7c4c764c36ab0fa0c0ae2300243c8dbcc1bd223cffa8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IgBslAV4fuPZd2UH6BwDnLhJNs5NusftaIvvgXnZomOUfJ/be55Dj+HC1+yw5/pjfXk+vBTAdBeRZIKHKHE1Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T04:36:49.979491Z","bundle_sha256":"9f447b458267c6a1a7b5e4aba82a31d2aa0aa053a76dff1966c88272c87ce10f"}}