{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:D7DQLSXA2MZCZOXHW7R36SQXJX","short_pith_number":"pith:D7DQLSXA","canonical_record":{"source":{"id":"2007.10275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-20T16:56:29Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"05b108f9e27b0f8042e02022d7744b544475409e13b42c2bf619cde7652fbe4a","abstract_canon_sha256":"c5c970ec63848adfa459fa915eb9d54ab127c9ed6c27ece43dc7324d7b2b95a5"},"schema_version":"1.0"},"canonical_sha256":"1fc705cae0d3322cbae7b7e3bf4a174dc4b039d407d450af73c5e647a5288c0c","source":{"kind":"arxiv","id":"2007.10275","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.10275","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"arxiv_version","alias_value":"2007.10275v1","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.10275","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"pith_short_12","alias_value":"D7DQLSXA2MZC","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"pith_short_16","alias_value":"D7DQLSXA2MZCZOXH","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"pith_short_8","alias_value":"D7DQLSXA","created_at":"2026-07-05T01:22:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:D7DQLSXA2MZCZOXHW7R36SQXJX","target":"record","payload":{"canonical_record":{"source":{"id":"2007.10275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-20T16:56:29Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"05b108f9e27b0f8042e02022d7744b544475409e13b42c2bf619cde7652fbe4a","abstract_canon_sha256":"c5c970ec63848adfa459fa915eb9d54ab127c9ed6c27ece43dc7324d7b2b95a5"},"schema_version":"1.0"},"canonical_sha256":"1fc705cae0d3322cbae7b7e3bf4a174dc4b039d407d450af73c5e647a5288c0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:22:51.614771Z","signature_b64":"a3OjxdiZ/aCkejbT4JzKaTqB43WhjXFeVMNzimmrJ1eHkRNJZiumZhUIcUHc9PhABhddP0hIkSXWKCtlTiMlCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fc705cae0d3322cbae7b7e3bf4a174dc4b039d407d450af73c5e647a5288c0c","last_reissued_at":"2026-07-05T01:22:51.614283Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:22:51.614283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.10275","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":"2026-07-05T01:22:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rqx1ZZQM/7QaRKwksjB6wYDRuMzbUWajvY10gF34EagKq/9Au2ESgVtUwoBmATKkZ34/fzMy+J6hZsY3P2tFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:07:26.936883Z"},"content_sha256":"ea38884e8c67819d48b9cc4a90c1991fefed94225459d15d9ff93d34252ddeaf","schema_version":"1.0","event_id":"sha256:ea38884e8c67819d48b9cc4a90c1991fefed94225459d15d9ff93d34252ddeaf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:D7DQLSXA2MZCZOXHW7R36SQXJX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FAUST I. The hot corino at the heart of the prototypical Class I protostar L1551 IRS5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Dur\\'an, A. Isella, A. L\\'opez-Sepulcre, A. Miotello, A. Rimola, A. Witzel, B. Lefloch, B. Svoboda, B. Zhao, C. Ceccarelli, C. Codella, C. Favre, C. J. Chandler, C. Kahane, C. Vastel, C. Xue, D. Fedele, D. Johnstone, D. Segura Cox, E. Bianchi, E. Caux, E. Herbst, F. Alves, F. Dulieu, F. Fontani, F. M\\'enard, G. Moellenbrock, H. Nomura, I. Jim\\'enez-Serra, J. Ospina-Zamudio, J. Pineda, L. Evans, L. Francis, L. Loinard, L. Podio, L. Testi, L. T. Maud, M. Bouvier, M. De Simone, M. Imai, M. J. Maureira, N. Balucani, N. Sakai, N. Watanabe, P. Caselli, R. Nakatani, S. Charnley, S. Choudhury, S. Feng, S. Mercimek, S. Mori, S. Ohashi, S. Viti, S. Yamamoto, T. Hama, T. Hanawa, T. Hirota, T. Sakai, V. Taquet, Y. Aikawa, Y. Oba, Y. Okoda, Y. Oya, Y. Shirley, Y. Watanabe, Y. Zhang","submitted_at":"2020-07-20T16:56:29Z","abstract_excerpt":"The study of hot corinos in Solar-like protostars has been so far mostly limited to the Class 0 phase, hampering our understanding of their origin and evolution. In addition, recent evidence suggests that planet formation starts already during Class I phase, which, therefore, represents a crucial step in the future planetary system chemical composition. Hence, the study of hot corinos in Class I protostars has become of paramount importance. Here we report the discovery of a hot corino towards the prototypical Class I protostar L1551 IRS5, obtained within the ALMA Large Program FAUST. We detec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.10275","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/2007.10275/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":"2026-07-05T01:22:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wsWjHT802Z8/+3Qqa2I2DJAGxcU2IuF42DeUfEW7Lf9oQ2iafZEsEbKjcTh+KI3Ugwn0Ul01zfgkWct6BsFmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:07:26.937250Z"},"content_sha256":"87ec54c77e9f7a10d0e818be7614ada5f31b37ad0d4ef5996563ed898baefd65","schema_version":"1.0","event_id":"sha256:87ec54c77e9f7a10d0e818be7614ada5f31b37ad0d4ef5996563ed898baefd65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7DQLSXA2MZCZOXHW7R36SQXJX/bundle.json","state_url":"https://pith.science/pith/D7DQLSXA2MZCZOXHW7R36SQXJX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7DQLSXA2MZCZOXHW7R36SQXJX/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":"2026-07-05T09:07:26Z","links":{"resolver":"https://pith.science/pith/D7DQLSXA2MZCZOXHW7R36SQXJX","bundle":"https://pith.science/pith/D7DQLSXA2MZCZOXHW7R36SQXJX/bundle.json","state":"https://pith.science/pith/D7DQLSXA2MZCZOXHW7R36SQXJX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7DQLSXA2MZCZOXHW7R36SQXJX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:D7DQLSXA2MZCZOXHW7R36SQXJX","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":"c5c970ec63848adfa459fa915eb9d54ab127c9ed6c27ece43dc7324d7b2b95a5","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-20T16:56:29Z","title_canon_sha256":"05b108f9e27b0f8042e02022d7744b544475409e13b42c2bf619cde7652fbe4a"},"schema_version":"1.0","source":{"id":"2007.10275","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.10275","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"arxiv_version","alias_value":"2007.10275v1","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.10275","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"pith_short_12","alias_value":"D7DQLSXA2MZC","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"pith_short_16","alias_value":"D7DQLSXA2MZCZOXH","created_at":"2026-07-05T01:22:51Z"},{"alias_kind":"pith_short_8","alias_value":"D7DQLSXA","created_at":"2026-07-05T01:22:51Z"}],"graph_snapshots":[{"event_id":"sha256:87ec54c77e9f7a10d0e818be7614ada5f31b37ad0d4ef5996563ed898baefd65","target":"graph","created_at":"2026-07-05T01:22:51Z","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/2007.10275/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The study of hot corinos in Solar-like protostars has been so far mostly limited to the Class 0 phase, hampering our understanding of their origin and evolution. In addition, recent evidence suggests that planet formation starts already during Class I phase, which, therefore, represents a crucial step in the future planetary system chemical composition. Hence, the study of hot corinos in Class I protostars has become of paramount importance. Here we report the discovery of a hot corino towards the prototypical Class I protostar L1551 IRS5, obtained within the ALMA Large Program FAUST. We detec","authors_text":"A. Dur\\'an, A. Isella, A. L\\'opez-Sepulcre, A. Miotello, A. Rimola, A. Witzel, B. Lefloch, B. Svoboda, B. Zhao, C. Ceccarelli, C. Codella, C. Favre, C. J. Chandler, C. Kahane, C. Vastel, C. Xue, D. Fedele, D. Johnstone, D. Segura Cox, E. Bianchi, E. Caux, E. Herbst, F. Alves, F. Dulieu, F. Fontani, F. M\\'enard, G. Moellenbrock, H. Nomura, I. Jim\\'enez-Serra, J. Ospina-Zamudio, J. Pineda, L. Evans, L. Francis, L. Loinard, L. Podio, L. Testi, L. T. Maud, M. Bouvier, M. De Simone, M. Imai, M. J. Maureira, N. Balucani, N. Sakai, N. Watanabe, P. Caselli, R. Nakatani, S. Charnley, S. Choudhury, S. Feng, S. Mercimek, S. Mori, S. Ohashi, S. Viti, S. Yamamoto, T. Hama, T. Hanawa, T. Hirota, T. Sakai, V. Taquet, Y. Aikawa, Y. Oba, Y. Okoda, Y. Oya, Y. Shirley, Y. Watanabe, Y. Zhang","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-20T16:56:29Z","title":"FAUST I. The hot corino at the heart of the prototypical Class I protostar L1551 IRS5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.10275","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:ea38884e8c67819d48b9cc4a90c1991fefed94225459d15d9ff93d34252ddeaf","target":"record","created_at":"2026-07-05T01:22:51Z","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":"c5c970ec63848adfa459fa915eb9d54ab127c9ed6c27ece43dc7324d7b2b95a5","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-20T16:56:29Z","title_canon_sha256":"05b108f9e27b0f8042e02022d7744b544475409e13b42c2bf619cde7652fbe4a"},"schema_version":"1.0","source":{"id":"2007.10275","kind":"arxiv","version":1}},"canonical_sha256":"1fc705cae0d3322cbae7b7e3bf4a174dc4b039d407d450af73c5e647a5288c0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fc705cae0d3322cbae7b7e3bf4a174dc4b039d407d450af73c5e647a5288c0c","first_computed_at":"2026-07-05T01:22:51.614283Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:22:51.614283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a3OjxdiZ/aCkejbT4JzKaTqB43WhjXFeVMNzimmrJ1eHkRNJZiumZhUIcUHc9PhABhddP0hIkSXWKCtlTiMlCw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:22:51.614771Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.10275","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea38884e8c67819d48b9cc4a90c1991fefed94225459d15d9ff93d34252ddeaf","sha256:87ec54c77e9f7a10d0e818be7614ada5f31b37ad0d4ef5996563ed898baefd65"],"state_sha256":"c993d0a0ea88bbc5ed316de11ec717eb9bf0dc612b2de65f23f397bd67909e2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l++GcPSpfNxyecCDVjE60OKeEbIyQfh4Ty8jjrCvjCm5utaH1mVTzUtw6OkRhr0Kwoc33fM1QyZEDEGDDjfeAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T09:07:26.939114Z","bundle_sha256":"0a5debf04b312fa33126031f6a03a8bdb3ad627d8067dc3c2f68079d25dd3039"}}