{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:L4ZL3BPV33RNPGHR5YOIGQKXNF","short_pith_number":"pith:L4ZL3BPV","canonical_record":{"source":{"id":"1807.00009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-29T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"ecc0ff70136096be2b3c5fc57242f369426cc2a6bdd6502d8614e2e4325dc18d","abstract_canon_sha256":"d88308e5f1511d98ef649d8d6554fb67a32c20d28e011bb10230885034334d24"},"schema_version":"1.0"},"canonical_sha256":"5f32bd85f5dee2d798f1ee1c834157695256ebb96cac2e3c23462fb59f75af80","source":{"kind":"arxiv","id":"1807.00009","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.00009","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1807.00009v1","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00009","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"L4ZL3BPV33RN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L4ZL3BPV33RNPGHR","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L4ZL3BPV","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:L4ZL3BPV33RNPGHR5YOIGQKXNF","target":"record","payload":{"canonical_record":{"source":{"id":"1807.00009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-29T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"ecc0ff70136096be2b3c5fc57242f369426cc2a6bdd6502d8614e2e4325dc18d","abstract_canon_sha256":"d88308e5f1511d98ef649d8d6554fb67a32c20d28e011bb10230885034334d24"},"schema_version":"1.0"},"canonical_sha256":"5f32bd85f5dee2d798f1ee1c834157695256ebb96cac2e3c23462fb59f75af80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:36.875749Z","signature_b64":"ZSk9dU7DvSLmuABKnhqSa6jvmHacGdiMdDGWWk/ri2rBv0g6jKojN0TjF1zKcDy5DfRiDcfQZj7QiPSj3N03Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f32bd85f5dee2d798f1ee1c834157695256ebb96cac2e3c23462fb59f75af80","last_reissued_at":"2026-05-18T00:10:36.875259Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:36.875259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.00009","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":"2026-05-18T00:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E0ESK1YuRhNRYV3442xc0akQwS0TAaUgXTOYz+kYqh3gK4rgglgpY/xDRG3Vs1ldeaPPvb3Qbbp1KotupUGIDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T01:17:41.418127Z"},"content_sha256":"f78e645f302e0a27ad0aeab2f9f7b36c767b15957d926b2df75cfcc6c56439c2","schema_version":"1.0","event_id":"sha256:f78e645f302e0a27ad0aeab2f9f7b36c767b15957d926b2df75cfcc6c56439c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:L4ZL3BPV33RNPGHR5YOIGQKXNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Identification of Wide Binaries in the Kepler Field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Diego Godoy-Rivera, Julio Chanam\\'e","submitted_at":"2018-06-29T18:00:04Z","abstract_excerpt":"We perform a search for wide binaries in the Kepler field with the prospect of providing new constraints for gyrochronology. First, we construct our base catalog by compiling astrometry for the stars observed by Kepler, and supplement it with parallaxes, radial velocities (RVs), and metallicities. We then mine our base catalog for wide binary candidates by matching the stars' proper motions, as well as parallaxes, RVs, and metallicities, if available. We mitigate the presence of chance alignments among our candidates by performing a comprehensive data-based contamination analysis in the proper"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00009","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":""},"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":"2026-05-18T00:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cn5J6I5uET/aaWtxYnFbQMhOuuU5IaYP9UA/uKYv3lzWmXAs4NMEeipBSb64bp/jDVp/YU/Qv31X565zR8qTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T01:17:41.418432Z"},"content_sha256":"8ded0305ed83e140f7cd9dde0503c7288c263b99ec225bfb6914e03b8fe05dee","schema_version":"1.0","event_id":"sha256:8ded0305ed83e140f7cd9dde0503c7288c263b99ec225bfb6914e03b8fe05dee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L4ZL3BPV33RNPGHR5YOIGQKXNF/bundle.json","state_url":"https://pith.science/pith/L4ZL3BPV33RNPGHR5YOIGQKXNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L4ZL3BPV33RNPGHR5YOIGQKXNF/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":"2026-08-21T01:17:41Z","links":{"resolver":"https://pith.science/pith/L4ZL3BPV33RNPGHR5YOIGQKXNF","bundle":"https://pith.science/pith/L4ZL3BPV33RNPGHR5YOIGQKXNF/bundle.json","state":"https://pith.science/pith/L4ZL3BPV33RNPGHR5YOIGQKXNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L4ZL3BPV33RNPGHR5YOIGQKXNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:L4ZL3BPV33RNPGHR5YOIGQKXNF","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":"d88308e5f1511d98ef649d8d6554fb67a32c20d28e011bb10230885034334d24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-29T18:00:04Z","title_canon_sha256":"ecc0ff70136096be2b3c5fc57242f369426cc2a6bdd6502d8614e2e4325dc18d"},"schema_version":"1.0","source":{"id":"1807.00009","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.00009","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1807.00009v1","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00009","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"L4ZL3BPV33RN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L4ZL3BPV33RNPGHR","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L4ZL3BPV","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:8ded0305ed83e140f7cd9dde0503c7288c263b99ec225bfb6914e03b8fe05dee","target":"graph","created_at":"2026-05-18T00:10:36Z","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"},"paper":{"abstract_excerpt":"We perform a search for wide binaries in the Kepler field with the prospect of providing new constraints for gyrochronology. First, we construct our base catalog by compiling astrometry for the stars observed by Kepler, and supplement it with parallaxes, radial velocities (RVs), and metallicities. We then mine our base catalog for wide binary candidates by matching the stars' proper motions, as well as parallaxes, RVs, and metallicities, if available. We mitigate the presence of chance alignments among our candidates by performing a comprehensive data-based contamination analysis in the proper","authors_text":"Diego Godoy-Rivera, Julio Chanam\\'e","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-29T18:00:04Z","title":"On the Identification of Wide Binaries in the Kepler Field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00009","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:f78e645f302e0a27ad0aeab2f9f7b36c767b15957d926b2df75cfcc6c56439c2","target":"record","created_at":"2026-05-18T00:10:36Z","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":"d88308e5f1511d98ef649d8d6554fb67a32c20d28e011bb10230885034334d24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-29T18:00:04Z","title_canon_sha256":"ecc0ff70136096be2b3c5fc57242f369426cc2a6bdd6502d8614e2e4325dc18d"},"schema_version":"1.0","source":{"id":"1807.00009","kind":"arxiv","version":1}},"canonical_sha256":"5f32bd85f5dee2d798f1ee1c834157695256ebb96cac2e3c23462fb59f75af80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f32bd85f5dee2d798f1ee1c834157695256ebb96cac2e3c23462fb59f75af80","first_computed_at":"2026-05-18T00:10:36.875259Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:36.875259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZSk9dU7DvSLmuABKnhqSa6jvmHacGdiMdDGWWk/ri2rBv0g6jKojN0TjF1zKcDy5DfRiDcfQZj7QiPSj3N03Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:36.875749Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.00009","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f78e645f302e0a27ad0aeab2f9f7b36c767b15957d926b2df75cfcc6c56439c2","sha256:8ded0305ed83e140f7cd9dde0503c7288c263b99ec225bfb6914e03b8fe05dee"],"state_sha256":"ffb4583c1a8fec478384967df287457d84ac4ec5b7bdcd4d706b166e8cd08547"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cpm61F5maSi4hoh9G7yr95Z/TPzZipR57vzMqY366RoIMe5yGQlvnKQjC6MYtOyAXA3ucvZm6IbTqsKmCBatAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T01:17:41.421792Z","bundle_sha256":"5aa8875d3725821b2d9ef1b02f81d0a14a545165e523c5bada05ea670114fa01"}}