{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:PXYV2COELC24W5ZH5AMIKGSO3R","short_pith_number":"pith:PXYV2COE","canonical_record":{"source":{"id":"2010.08575","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-10-16T18:16:43Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"df904c6caba3bb2876c9254b3d426de38a126e005ef329ead2bd33c9dbfec56a","abstract_canon_sha256":"d817c0f001f0a1a278082c4942653e6ed41512ad90f7193f4b8bc7ce31b2cd79"},"schema_version":"1.0"},"canonical_sha256":"7df15d09c458b5cb7727e818851a4edc4bf0c220ec01192d45dc9ca767823e54","source":{"kind":"arxiv","id":"2010.08575","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.08575","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"arxiv_version","alias_value":"2010.08575v2","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.08575","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"pith_short_12","alias_value":"PXYV2COELC24","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"pith_short_16","alias_value":"PXYV2COELC24W5ZH","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"pith_short_8","alias_value":"PXYV2COE","created_at":"2026-07-05T02:03:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:PXYV2COELC24W5ZH5AMIKGSO3R","target":"record","payload":{"canonical_record":{"source":{"id":"2010.08575","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-10-16T18:16:43Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"df904c6caba3bb2876c9254b3d426de38a126e005ef329ead2bd33c9dbfec56a","abstract_canon_sha256":"d817c0f001f0a1a278082c4942653e6ed41512ad90f7193f4b8bc7ce31b2cd79"},"schema_version":"1.0"},"canonical_sha256":"7df15d09c458b5cb7727e818851a4edc4bf0c220ec01192d45dc9ca767823e54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:03:50.423831Z","signature_b64":"DlwVosaSPajS35WeWECT0SF1HWd6quzOJ1JXXIDjlZEqTHU5GxBu6DXSzK0A8Z5USBaq8U81yd+bL1DR4KsyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7df15d09c458b5cb7727e818851a4edc4bf0c220ec01192d45dc9ca767823e54","last_reissued_at":"2026-07-05T02:03:50.423477Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:03:50.423477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.08575","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:03:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ShZYCyA1tsVO6kmVVMGQhJ9tLEGj7kpysaeyWiG87AoKopMOmg2TJHFc6fGl0o9g+H4+D2fm9QkPv2bNG/5fBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T07:15:06.323457Z"},"content_sha256":"e82bd5f3a638f55d2a35fb113fd0cfd261334a8250b0a9b6e4d4e0e3705a8e24","schema_version":"1.0","event_id":"sha256:e82bd5f3a638f55d2a35fb113fd0cfd261334a8250b0a9b6e4d4e0e3705a8e24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:PXYV2COELC24W5ZH5AMIKGSO3R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for associations containing young stars (SACY) VIII. An updated census of spectroscopic binary systems showing hints of non-universal multiplicity among these associations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bayo, C. A. O. Torres, C. H. F. Melo, C. Zamora, G. Corval\\'an, G. R. Quast, J. M. Corral-Santana, J. Olofsson, M. F. Sterzik, N. Hu\\'elamo, P. Elliott, S. Z\\'u\\~niga-Fern\\'andez, X. Haubois","submitted_at":"2020-10-16T18:16:43Z","abstract_excerpt":"We seek to update the spectroscopy binary fraction of the SACY (Search for Associations Containing Young stars) sample taking in consideration all possible biases in our identification of binary candidates, such as activity and rotation. Using high-resolution spectroscopic observations we have produced $\\sim$1300 cross-correlation functions (CCFs) to disentangle the previously mentioned sources of contamination. The radial velocity values obtained were cross-matched with the literature and were used to revise and update the spectroscopic binary (SB) fraction in each of the SACY association. In"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.08575","kind":"arxiv","version":2},"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/2010.08575/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":"2026-07-05T02:03:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9teb1FglO5KwotoI8eaEd1x9shPVagcnY4AyTFyvB2ZKybBOrlszvPlfZmCQzXXGrutg4sSvrPnoQeOsBKTgDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T07:15:06.323848Z"},"content_sha256":"063edddecc33734414caa2c06814268ffddcc9f13b5e4a4b53a78885374259c1","schema_version":"1.0","event_id":"sha256:063edddecc33734414caa2c06814268ffddcc9f13b5e4a4b53a78885374259c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PXYV2COELC24W5ZH5AMIKGSO3R/bundle.json","state_url":"https://pith.science/pith/PXYV2COELC24W5ZH5AMIKGSO3R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PXYV2COELC24W5ZH5AMIKGSO3R/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":"2026-07-19T07:15:06Z","links":{"resolver":"https://pith.science/pith/PXYV2COELC24W5ZH5AMIKGSO3R","bundle":"https://pith.science/pith/PXYV2COELC24W5ZH5AMIKGSO3R/bundle.json","state":"https://pith.science/pith/PXYV2COELC24W5ZH5AMIKGSO3R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PXYV2COELC24W5ZH5AMIKGSO3R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:PXYV2COELC24W5ZH5AMIKGSO3R","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":"d817c0f001f0a1a278082c4942653e6ed41512ad90f7193f4b8bc7ce31b2cd79","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-10-16T18:16:43Z","title_canon_sha256":"df904c6caba3bb2876c9254b3d426de38a126e005ef329ead2bd33c9dbfec56a"},"schema_version":"1.0","source":{"id":"2010.08575","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.08575","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"arxiv_version","alias_value":"2010.08575v2","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.08575","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"pith_short_12","alias_value":"PXYV2COELC24","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"pith_short_16","alias_value":"PXYV2COELC24W5ZH","created_at":"2026-07-05T02:03:50Z"},{"alias_kind":"pith_short_8","alias_value":"PXYV2COE","created_at":"2026-07-05T02:03:50Z"}],"graph_snapshots":[{"event_id":"sha256:063edddecc33734414caa2c06814268ffddcc9f13b5e4a4b53a78885374259c1","target":"graph","created_at":"2026-07-05T02:03:50Z","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/2010.08575/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We seek to update the spectroscopy binary fraction of the SACY (Search for Associations Containing Young stars) sample taking in consideration all possible biases in our identification of binary candidates, such as activity and rotation. Using high-resolution spectroscopic observations we have produced $\\sim$1300 cross-correlation functions (CCFs) to disentangle the previously mentioned sources of contamination. The radial velocity values obtained were cross-matched with the literature and were used to revise and update the spectroscopic binary (SB) fraction in each of the SACY association. In","authors_text":"A. Bayo, C. A. O. Torres, C. H. F. Melo, C. Zamora, G. Corval\\'an, G. R. Quast, J. M. Corral-Santana, J. Olofsson, M. F. Sterzik, N. Hu\\'elamo, P. Elliott, S. Z\\'u\\~niga-Fern\\'andez, X. Haubois","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-10-16T18:16:43Z","title":"Search for associations containing young stars (SACY) VIII. An updated census of spectroscopic binary systems showing hints of non-universal multiplicity among these associations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.08575","kind":"arxiv","version":2},"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:e82bd5f3a638f55d2a35fb113fd0cfd261334a8250b0a9b6e4d4e0e3705a8e24","target":"record","created_at":"2026-07-05T02:03:50Z","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":"d817c0f001f0a1a278082c4942653e6ed41512ad90f7193f4b8bc7ce31b2cd79","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-10-16T18:16:43Z","title_canon_sha256":"df904c6caba3bb2876c9254b3d426de38a126e005ef329ead2bd33c9dbfec56a"},"schema_version":"1.0","source":{"id":"2010.08575","kind":"arxiv","version":2}},"canonical_sha256":"7df15d09c458b5cb7727e818851a4edc4bf0c220ec01192d45dc9ca767823e54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7df15d09c458b5cb7727e818851a4edc4bf0c220ec01192d45dc9ca767823e54","first_computed_at":"2026-07-05T02:03:50.423477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:03:50.423477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DlwVosaSPajS35WeWECT0SF1HWd6quzOJ1JXXIDjlZEqTHU5GxBu6DXSzK0A8Z5USBaq8U81yd+bL1DR4KsyAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:03:50.423831Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.08575","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e82bd5f3a638f55d2a35fb113fd0cfd261334a8250b0a9b6e4d4e0e3705a8e24","sha256:063edddecc33734414caa2c06814268ffddcc9f13b5e4a4b53a78885374259c1"],"state_sha256":"e2ce5a904520498b5042d9bdc230ff2bd88898517ecdd4f0de388253e2ebd6b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bs2jctSjzUhNEPOj/Hszj/P9G4w5hayn/bE8ml2Zhe8epnzPFJC8CuwSQBLJeJvjbCp64OcoaJpRRkyIyi75Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-19T07:15:06.326039Z","bundle_sha256":"2c0c1e1344d45941e1c3bd31eda1f040df14c875a5a822a1ef920538cde1ba5e"}}