{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6EWZAD3XMS35LWUBTH6ZBHIBQG","short_pith_number":"pith:6EWZAD3X","canonical_record":{"source":{"id":"2607.07068","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-08T06:55:53Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"da09c2279d8214c9e7ded8fa0bab3e5aec07222a531c91a76e743a498092a272","abstract_canon_sha256":"82786215d0bc73036c1b40feba69f9d65fc5b8fce921135ce858d8aca21f9571"},"schema_version":"1.0"},"canonical_sha256":"f12d900f7764b7d5da8199fd909d01818e445cfbfc7eb811bf7049032541f23b","source":{"kind":"arxiv","id":"2607.07068","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.07068","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"arxiv_version","alias_value":"2607.07068v1","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07068","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"pith_short_12","alias_value":"6EWZAD3XMS35","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"pith_short_16","alias_value":"6EWZAD3XMS35LWUB","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"pith_short_8","alias_value":"6EWZAD3X","created_at":"2026-07-09T01:20:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6EWZAD3XMS35LWUBTH6ZBHIBQG","target":"record","payload":{"canonical_record":{"source":{"id":"2607.07068","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-08T06:55:53Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"da09c2279d8214c9e7ded8fa0bab3e5aec07222a531c91a76e743a498092a272","abstract_canon_sha256":"82786215d0bc73036c1b40feba69f9d65fc5b8fce921135ce858d8aca21f9571"},"schema_version":"1.0"},"canonical_sha256":"f12d900f7764b7d5da8199fd909d01818e445cfbfc7eb811bf7049032541f23b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T01:20:13.691037Z","signature_b64":"izoWwAvuXK8B1WpaURZ7kvRwHF8i2hEuB9bwNZfYgdM6+/mtt4pvituN+HtF5WOOegFwK2VTohaWeYfe339IBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f12d900f7764b7d5da8199fd909d01818e445cfbfc7eb811bf7049032541f23b","last_reissued_at":"2026-07-09T01:20:13.690623Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T01:20:13.690623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.07068","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":"2026-07-09T01:20:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"69Q0rXaBE2GHcWZSqDTpQwD1bycN2xv21aU6KQKXWoFIiYbVwp5+im4V9LYXkZFkc4ksGGaXRAzwMsn5ejsLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T18:13:22.429567Z"},"content_sha256":"a4b761d37b740cb181a737d9229b104f601307a828ebc32b6d43a3796f1ec4ba","schema_version":"1.0","event_id":"sha256:a4b761d37b740cb181a737d9229b104f601307a828ebc32b6d43a3796f1ec4ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6EWZAD3XMS35LWUBTH6ZBHIBQG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Abel de Burgos, Alexis L. Quintana, Chervin Laporte, Eloisa Poggio, Emily L. Hunt, Hanna Parul, Juan Mart\\'inez Garc\\'ia, Kiril Maltsev, Laia Casamiquela, Misha Haywood, Nicholas J. Wright, Paola Di Matteo, Sara R. Berlanas","submitted_at":"2026-07-08T06:55:53Z","abstract_excerpt":"O- and B-type stars are young and hot, thereby serving as vital tracers of the star formation and spiral arm structure of the Milky Way. At the dusk of the \\textit{Gaia} DR3 era, a high-confidence and accurate catalogue appears timely. Here we have characterized a population of 105,971 OB-type stars (T$_{\\rm eff} >$ 10,000 K; hereafter OB stars) within 2 kpc from the Sun, using an astro-photometric Bayesian inference tool. Our resulting map unveils a complex view of the young stellar populations across the thin disk, with prominent large-scale features such as the Cepheus Spur, the Giant Oval "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07068","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/2607.07068/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":"2026-07-09T01:20:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r7ALCdQiXouaqBnJZtsPEdP8W/7evwrplK8XkrPf4vFqLEctlEmOtoluvnShNtagn0rLLpPfun6+rxNpt3gmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T18:13:22.429938Z"},"content_sha256":"d84c952cb272aae56fb6dccd5db668ee42a0e5488ca03ef1949fc95d10e13060","schema_version":"1.0","event_id":"sha256:d84c952cb272aae56fb6dccd5db668ee42a0e5488ca03ef1949fc95d10e13060"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:6EWZAD3XMS35LWUBTH6ZBHIBQG","target":"integrity","payload":{"note":"Identifier '10.1051/0004-6361/20162927210.48550/arxiv.1609.04153' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.","snippet":"The Gaia mission. , keywords =. doi:10.1051/0004-6361/20162927210.48550/arXiv.1609.04153 , archivePrefix =. 1609.04153 , primaryClass =","arxiv_id":"2607.07068","detector":"doi_compliance","evidence":{"doi":"10.1051/0004-6361/20162927210.48550/arxiv.1609.04153","arxiv_id":null,"ref_index":132,"raw_excerpt":"The Gaia mission. , keywords =. doi:10.1051/0004-6361/20162927210.48550/arXiv.1609.04153 , archivePrefix =. 1609.04153 , primaryClass =","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"]},"severity":"critical","ref_index":132,"audited_at":"2026-07-09T20:49:56.763260Z","event_type":"pith.integrity.v1","detected_doi":"10.1051/0004-6361/20162927210.48550/arxiv.1609.04153","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"27704fbc7667faddd14279bd0daf4389b54b79dd6a70d8f2d063ac4e9fc3f1de","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null,"integrity_event_id":10756,"payload_sha256":"f67cc17d4474d8a3ccc551958b85f03c88be73227f98f33d337aed24af145aa4","signature_b64":"x8RxUAxdFV3+oKm/+awih9Nzcl8u70yT/EhweLdN4fdBauxj6HW2Fj1wg1f8M/i/xu7+uF0XIbvEJf94bS4JCg==","signing_key_id":"pith-v1-2026-05"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-09T20:53:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"duaGMdvSLJ3Eu4OOvot+uBKfK3c6wYguLNSs3ZK/V9bVikYdrb2BT+LxQ5vzMKzOvajNYPw3gUlcWV3KoKBXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T18:13:22.431363Z"},"content_sha256":"2ed41de5a08de7fd2c78f2a8dd59940dabe9e01583614e7b1d271247bd3e6b31","schema_version":"1.0","event_id":"sha256:2ed41de5a08de7fd2c78f2a8dd59940dabe9e01583614e7b1d271247bd3e6b31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6EWZAD3XMS35LWUBTH6ZBHIBQG/bundle.json","state_url":"https://pith.science/pith/6EWZAD3XMS35LWUBTH6ZBHIBQG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6EWZAD3XMS35LWUBTH6ZBHIBQG/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":"2026-07-11T18:13:22Z","links":{"resolver":"https://pith.science/pith/6EWZAD3XMS35LWUBTH6ZBHIBQG","bundle":"https://pith.science/pith/6EWZAD3XMS35LWUBTH6ZBHIBQG/bundle.json","state":"https://pith.science/pith/6EWZAD3XMS35LWUBTH6ZBHIBQG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6EWZAD3XMS35LWUBTH6ZBHIBQG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6EWZAD3XMS35LWUBTH6ZBHIBQG","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"82786215d0bc73036c1b40feba69f9d65fc5b8fce921135ce858d8aca21f9571","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-08T06:55:53Z","title_canon_sha256":"da09c2279d8214c9e7ded8fa0bab3e5aec07222a531c91a76e743a498092a272"},"schema_version":"1.0","source":{"id":"2607.07068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.07068","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"arxiv_version","alias_value":"2607.07068v1","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07068","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"pith_short_12","alias_value":"6EWZAD3XMS35","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"pith_short_16","alias_value":"6EWZAD3XMS35LWUB","created_at":"2026-07-09T01:20:13Z"},{"alias_kind":"pith_short_8","alias_value":"6EWZAD3X","created_at":"2026-07-09T01:20:13Z"}],"graph_snapshots":[{"event_id":"sha256:d84c952cb272aae56fb6dccd5db668ee42a0e5488ca03ef1949fc95d10e13060","target":"graph","created_at":"2026-07-09T01:20:13Z","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/2607.07068/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"O- and B-type stars are young and hot, thereby serving as vital tracers of the star formation and spiral arm structure of the Milky Way. At the dusk of the \\textit{Gaia} DR3 era, a high-confidence and accurate catalogue appears timely. Here we have characterized a population of 105,971 OB-type stars (T$_{\\rm eff} >$ 10,000 K; hereafter OB stars) within 2 kpc from the Sun, using an astro-photometric Bayesian inference tool. Our resulting map unveils a complex view of the young stellar populations across the thin disk, with prominent large-scale features such as the Cepheus Spur, the Giant Oval ","authors_text":"Abel de Burgos, Alexis L. Quintana, Chervin Laporte, Eloisa Poggio, Emily L. Hunt, Hanna Parul, Juan Mart\\'inez Garc\\'ia, Kiril Maltsev, Laia Casamiquela, Misha Haywood, Nicholas J. Wright, Paola Di Matteo, Sara R. Berlanas","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-08T06:55:53Z","title":"Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07068","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:a4b761d37b740cb181a737d9229b104f601307a828ebc32b6d43a3796f1ec4ba","target":"record","created_at":"2026-07-09T01:20:13Z","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":"82786215d0bc73036c1b40feba69f9d65fc5b8fce921135ce858d8aca21f9571","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-08T06:55:53Z","title_canon_sha256":"da09c2279d8214c9e7ded8fa0bab3e5aec07222a531c91a76e743a498092a272"},"schema_version":"1.0","source":{"id":"2607.07068","kind":"arxiv","version":1}},"canonical_sha256":"f12d900f7764b7d5da8199fd909d01818e445cfbfc7eb811bf7049032541f23b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f12d900f7764b7d5da8199fd909d01818e445cfbfc7eb811bf7049032541f23b","first_computed_at":"2026-07-09T01:20:13.690623Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-09T01:20:13.690623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"izoWwAvuXK8B1WpaURZ7kvRwHF8i2hEuB9bwNZfYgdM6+/mtt4pvituN+HtF5WOOegFwK2VTohaWeYfe339IBg==","signature_status":"signed_v1","signed_at":"2026-07-09T01:20:13.691037Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.07068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4b761d37b740cb181a737d9229b104f601307a828ebc32b6d43a3796f1ec4ba","sha256:d84c952cb272aae56fb6dccd5db668ee42a0e5488ca03ef1949fc95d10e13060","sha256:2ed41de5a08de7fd2c78f2a8dd59940dabe9e01583614e7b1d271247bd3e6b31"],"state_sha256":"f6fd4b83cfafaa0c8e7abc3fc03bf6fb953ecd6cff76b8ca68b8338505a99200"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zrcQUO/vnp/JMZoUF5bqI6lfSY6FGFPsivyOVfhD22RztcbhUkwp010kQ03lAXrHMpRxLZ5ZVAzdPnSqQJ8pBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-11T18:13:22.432765Z","bundle_sha256":"e9cf8954c98b40c70b3789d548ee93a5fa22ecb15936d4ebc5d19be4bea66786"}}