{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KJLI2VFA2AIS72SG4VEIZUIKPI","short_pith_number":"pith:KJLI2VFA","canonical_record":{"source":{"id":"2604.02111","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-04-02T14:45:42Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"962f24cb1a6296872f1064679244ba5b688f6b440b21a9dccaa3bdee4d8cd75e","abstract_canon_sha256":"d0acd3f93b75fd4e6b7d1198e8377b5fb10885e983e3e31b6d1914225e1682d9"},"schema_version":"1.0"},"canonical_sha256":"52568d54a0d0112fea46e5488cd10a7a0a5e60edd49be6e6a544de2a9d55d60b","source":{"kind":"arxiv","id":"2604.02111","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.02111","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"arxiv_version","alias_value":"2604.02111v3","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.02111","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"pith_short_12","alias_value":"KJLI2VFA2AIS","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"pith_short_16","alias_value":"KJLI2VFA2AIS72SG","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"pith_short_8","alias_value":"KJLI2VFA","created_at":"2026-07-23T01:23:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KJLI2VFA2AIS72SG4VEIZUIKPI","target":"record","payload":{"canonical_record":{"source":{"id":"2604.02111","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-04-02T14:45:42Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"962f24cb1a6296872f1064679244ba5b688f6b440b21a9dccaa3bdee4d8cd75e","abstract_canon_sha256":"d0acd3f93b75fd4e6b7d1198e8377b5fb10885e983e3e31b6d1914225e1682d9"},"schema_version":"1.0"},"canonical_sha256":"52568d54a0d0112fea46e5488cd10a7a0a5e60edd49be6e6a544de2a9d55d60b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-23T01:23:35.233106Z","signature_b64":"x26AT9MZGlWlyWyPB36bRNe+fRqobePvwTTF7TCmokUe5FAD1RzLkLAeQziUlTKxc5BrHB7wCKrbODtMgMIeDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52568d54a0d0112fea46e5488cd10a7a0a5e60edd49be6e6a544de2a9d55d60b","last_reissued_at":"2026-07-23T01:23:35.232092Z","signature_status":"signed_v1","first_computed_at":"2026-07-23T01:23:35.232092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2604.02111","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":"2026-07-23T01:23:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zgQDFD9CGl1mVNrD5zLEuVNu9Sy8QOggmwobaIPIp0HINgiJ1OQkD253NAmcKP+AeeB7ob3YTRFIkgrdOYq3Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T01:18:26.024561Z"},"content_sha256":"cbe8130d30a59b53dbe9f4dcd89ec89931a557a939c37e8f505444786b02eedf","schema_version":"1.0","event_id":"sha256:cbe8130d30a59b53dbe9f4dcd89ec89931a557a939c37e8f505444786b02eedf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KJLI2VFA2AIS72SG4VEIZUIKPI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiplicity of Massive stars in the Milky Way (M3W). I. Project description, UNWIND, application to GLS 11 448, and DIB catalog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"The binary GLS 11 448 contains two O3.5 II(f*) stars with evolutionary masses of 70 and 76 solar masses, the highest measured for O stars.","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Pellerin, E. Madero Fuentes, G. Holgado, J. A. Molina-Calzada, J. I. Arias, J. Ma\\'iz Apell\\'aniz, M. Abdul-Masih, R. C. Gamen, R. H. Barb\\'a, S. Rosu, S. Sim\\'on-D\\'iaz","submitted_at":"2026-04-02T14:45:42Z","abstract_excerpt":"(ABRIDGED BUT NOT TOO FAR) Multiplicity is ubiquitous among massive stars and its understanding is constrained by the sample of well-determined orbits. The immediate goal of M3W is to significantly increase the number of massive multiple systems with well-determined orbits and masses. We will address issues such as multiplicity statistics, the mass function in clusters and the field, the properties of binaries with compact companions and gravitational-wave progenitors, the origin and characteristics of runaways and their 3-D motions, the use of apsidal motion as a probe of stellar interiors, a"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The Aa and Ab components of GLS 11 448, both classified as O3.5 II(f*), are the two most massive O stars ever detected according to the evolutionary masses of 70±10 M⊙ and 76±11 M⊙ determined in this paper.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"Evolutionary masses rest on the assumption that standard stellar evolution tracks apply without major revision to these very massive, rapidly rotating O stars; the disentangling also assumes the UNWIND algorithm can cleanly separate the spectra without residual contamination from wind or circumstellar material.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"M3W reports a new orbit and evolutionary masses of 70 and 76 solar masses for the O3.5 components of GLS 11 448 plus a library of 631 diffuse interstellar bands including 119 new identifications.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"The binary GLS 11 448 contains two O3.5 II(f*) stars with evolutionary masses of 70 and 76 solar masses, the highest measured for O stars.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"f64cbe1ad129c5468d734d21c965a43e6f362686ac0699bc3cf5563b22ae718c"},"source":{"id":"2604.02111","kind":"arxiv","version":3},"verdict":{"id":"505f4657-4142-4b58-af10-d40fe04e78c0","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-13T21:03:01.826553Z","strongest_claim":"The Aa and Ab components of GLS 11 448, both classified as O3.5 II(f*), are the two most massive O stars ever detected according to the evolutionary masses of 70±10 M⊙ and 76±11 M⊙ determined in this paper.","one_line_summary":"M3W reports a new orbit and evolutionary masses of 70 and 76 solar masses for the O3.5 components of GLS 11 448 plus a library of 631 diffuse interstellar bands including 119 new identifications.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"Evolutionary masses rest on the assumption that standard stellar evolution tracks apply without major revision to these very massive, rapidly rotating O stars; the disentangling also assumes the UNWIND algorithm can cleanly separate the spectra without residual contamination from wind or circumstellar material.","pith_extraction_headline":"The binary GLS 11 448 contains two O3.5 II(f*) stars with evolutionary masses of 70 and 76 solar masses, the highest measured for O stars."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.02111/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":3,"snapshot_sha256":"d4f443e719fef1c4d414b83bfa687ee42d8c22c4478657d0663fd4b04d8b5b3b"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":"505f4657-4142-4b58-af10-d40fe04e78c0"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-23T01:23:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WkL85s+q4llAs2dzsbT4Kx1YWR+uz8dTX/CouquCgm7as0bwwDwDAQ8lECfVwERRxguh0VfQQ52C8LT9uhVVBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T01:18:26.025318Z"},"content_sha256":"038810141a2f7d2cfdeec35daa7faef53ed2c04c39b806a4ffa1c7024f07fcbd","schema_version":"1.0","event_id":"sha256:038810141a2f7d2cfdeec35daa7faef53ed2c04c39b806a4ffa1c7024f07fcbd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KJLI2VFA2AIS72SG4VEIZUIKPI/bundle.json","state_url":"https://pith.science/pith/KJLI2VFA2AIS72SG4VEIZUIKPI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KJLI2VFA2AIS72SG4VEIZUIKPI/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":"2026-08-16T01:18:26Z","links":{"resolver":"https://pith.science/pith/KJLI2VFA2AIS72SG4VEIZUIKPI","bundle":"https://pith.science/pith/KJLI2VFA2AIS72SG4VEIZUIKPI/bundle.json","state":"https://pith.science/pith/KJLI2VFA2AIS72SG4VEIZUIKPI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KJLI2VFA2AIS72SG4VEIZUIKPI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KJLI2VFA2AIS72SG4VEIZUIKPI","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":"d0acd3f93b75fd4e6b7d1198e8377b5fb10885e983e3e31b6d1914225e1682d9","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-04-02T14:45:42Z","title_canon_sha256":"962f24cb1a6296872f1064679244ba5b688f6b440b21a9dccaa3bdee4d8cd75e"},"schema_version":"1.0","source":{"id":"2604.02111","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.02111","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"arxiv_version","alias_value":"2604.02111v3","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.02111","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"pith_short_12","alias_value":"KJLI2VFA2AIS","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"pith_short_16","alias_value":"KJLI2VFA2AIS72SG","created_at":"2026-07-23T01:23:35Z"},{"alias_kind":"pith_short_8","alias_value":"KJLI2VFA","created_at":"2026-07-23T01:23:35Z"}],"graph_snapshots":[{"event_id":"sha256:038810141a2f7d2cfdeec35daa7faef53ed2c04c39b806a4ffa1c7024f07fcbd","target":"graph","created_at":"2026-07-23T01:23:35Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"The Aa and Ab components of GLS 11 448, both classified as O3.5 II(f*), are the two most massive O stars ever detected according to the evolutionary masses of 70±10 M⊙ and 76±11 M⊙ determined in this paper."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"Evolutionary masses rest on the assumption that standard stellar evolution tracks apply without major revision to these very massive, rapidly rotating O stars; the disentangling also assumes the UNWIND algorithm can cleanly separate the spectra without residual contamination from wind or circumstellar material."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"M3W reports a new orbit and evolutionary masses of 70 and 76 solar masses for the O3.5 components of GLS 11 448 plus a library of 631 diffuse interstellar bands including 119 new identifications."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"The binary GLS 11 448 contains two O3.5 II(f*) stars with evolutionary masses of 70 and 76 solar masses, the highest measured for O stars."}],"snapshot_sha256":"f64cbe1ad129c5468d734d21c965a43e6f362686ac0699bc3cf5563b22ae718c"},"formal_canon":{"evidence_count":3,"snapshot_sha256":"d4f443e719fef1c4d414b83bfa687ee42d8c22c4478657d0663fd4b04d8b5b3b"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2604.02111/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"(ABRIDGED BUT NOT TOO FAR) Multiplicity is ubiquitous among massive stars and its understanding is constrained by the sample of well-determined orbits. The immediate goal of M3W is to significantly increase the number of massive multiple systems with well-determined orbits and masses. We will address issues such as multiplicity statistics, the mass function in clusters and the field, the properties of binaries with compact companions and gravitational-wave progenitors, the origin and characteristics of runaways and their 3-D motions, the use of apsidal motion as a probe of stellar interiors, a","authors_text":"A. Pellerin, E. Madero Fuentes, G. Holgado, J. A. Molina-Calzada, J. I. Arias, J. Ma\\'iz Apell\\'aniz, M. Abdul-Masih, R. C. Gamen, R. H. Barb\\'a, S. Rosu, S. Sim\\'on-D\\'iaz","cross_cats":["astro-ph.GA"],"headline":"The binary GLS 11 448 contains two O3.5 II(f*) stars with evolutionary masses of 70 and 76 solar masses, the highest measured for O stars.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-04-02T14:45:42Z","title":"Multiplicity of Massive stars in the Milky Way (M3W). I. Project description, UNWIND, application to GLS 11 448, and DIB catalog"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.02111","kind":"arxiv","version":3},"verdict":{"created_at":"2026-05-13T21:03:01.826553Z","id":"505f4657-4142-4b58-af10-d40fe04e78c0","model_set":{"reader":"grok-4.3"},"one_line_summary":"M3W reports a new orbit and evolutionary masses of 70 and 76 solar masses for the O3.5 components of GLS 11 448 plus a library of 631 diffuse interstellar bands including 119 new identifications.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"The binary GLS 11 448 contains two O3.5 II(f*) stars with evolutionary masses of 70 and 76 solar masses, the highest measured for O stars.","strongest_claim":"The Aa and Ab components of GLS 11 448, both classified as O3.5 II(f*), are the two most massive O stars ever detected according to the evolutionary masses of 70±10 M⊙ and 76±11 M⊙ determined in this paper.","weakest_assumption":"Evolutionary masses rest on the assumption that standard stellar evolution tracks apply without major revision to these very massive, rapidly rotating O stars; the disentangling also assumes the UNWIND algorithm can cleanly separate the spectra without residual contamination from wind or circumstellar material."}},"verdict_id":"505f4657-4142-4b58-af10-d40fe04e78c0"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:cbe8130d30a59b53dbe9f4dcd89ec89931a557a939c37e8f505444786b02eedf","target":"record","created_at":"2026-07-23T01:23:35Z","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":"d0acd3f93b75fd4e6b7d1198e8377b5fb10885e983e3e31b6d1914225e1682d9","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-04-02T14:45:42Z","title_canon_sha256":"962f24cb1a6296872f1064679244ba5b688f6b440b21a9dccaa3bdee4d8cd75e"},"schema_version":"1.0","source":{"id":"2604.02111","kind":"arxiv","version":3}},"canonical_sha256":"52568d54a0d0112fea46e5488cd10a7a0a5e60edd49be6e6a544de2a9d55d60b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52568d54a0d0112fea46e5488cd10a7a0a5e60edd49be6e6a544de2a9d55d60b","first_computed_at":"2026-07-23T01:23:35.232092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-23T01:23:35.232092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x26AT9MZGlWlyWyPB36bRNe+fRqobePvwTTF7TCmokUe5FAD1RzLkLAeQziUlTKxc5BrHB7wCKrbODtMgMIeDg==","signature_status":"signed_v1","signed_at":"2026-07-23T01:23:35.233106Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.02111","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbe8130d30a59b53dbe9f4dcd89ec89931a557a939c37e8f505444786b02eedf","sha256:038810141a2f7d2cfdeec35daa7faef53ed2c04c39b806a4ffa1c7024f07fcbd"],"state_sha256":"70d2d49d5a6e8a57d286f5988c478469bc04e148fc4b9305c363047c37ff9d23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y6LH4alTuLN7F5ftOrOsrLV3AeStAAKjebJ1/EiA58YNU8OlavxxwbDXYmvKOBvojVH1mzpA7xrMOXrd5qYXCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T01:18:26.029520Z","bundle_sha256":"eba25865a577577ab8becf899918f58f242f4199968913760c77187ec3ebe8f5"}}