{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VTCGCNADCJFIZAZUHAXJY7BYJ5","short_pith_number":"pith:VTCGCNAD","canonical_record":{"source":{"id":"1606.05347","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-16T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"a1e497dddeb82ad21a49561de57af872628427a4488885cfb8ccf8207b1aca3a","abstract_canon_sha256":"123185f8326d521e50f9e6375061b47df150affa3f4786df3db151edcd593cf9"},"schema_version":"1.0"},"canonical_sha256":"acc4613403124a8c8334382e9c7c384f43d3af09a6265194431bb59274f417c5","source":{"kind":"arxiv","id":"1606.05347","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.05347","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1606.05347v2","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.05347","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"VTCGCNADCJFI","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VTCGCNADCJFIZAZU","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VTCGCNAD","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VTCGCNADCJFIZAZUHAXJY7BYJ5","target":"record","payload":{"canonical_record":{"source":{"id":"1606.05347","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-16T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"a1e497dddeb82ad21a49561de57af872628427a4488885cfb8ccf8207b1aca3a","abstract_canon_sha256":"123185f8326d521e50f9e6375061b47df150affa3f4786df3db151edcd593cf9"},"schema_version":"1.0"},"canonical_sha256":"acc4613403124a8c8334382e9c7c384f43d3af09a6265194431bb59274f417c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:02.756757Z","signature_b64":"mjJx33MQ8asPoJ+2lObRsnJXyaPLMybmDvOi8dq3rIyOLc4Y9LdTazS9MwpVc17QYQ+obJ2xfrPp9MjAx3zNBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acc4613403124a8c8334382e9c7c384f43d3af09a6265194431bb59274f417c5","last_reissued_at":"2026-05-18T00:42:02.756276Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:02.756276Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.05347","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":"2026-05-18T00:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"flbNhs6jQ2iM222cXcFxHcVlL2LiIRpq0ZfsgEvU0vOJk1Nj5X3ES4XZsEDilMu1P1fAWnqPvHZkB62r/AJWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:42:14.704891Z"},"content_sha256":"cecbaea1ba553aab5ac8317bdef0bf258a57bd1f5a7c927aefe8eb4837ebd083","schema_version":"1.0","event_id":"sha256:cecbaea1ba553aab5ac8317bdef0bf258a57bd1f5a7c927aefe8eb4837ebd083"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VTCGCNADCJFIZAZUHAXJY7BYJ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mind your Ps and Qs: the Interrelation between Period (P) and Mass-ratio (Q) Distributions of Binary Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Maxwell Moe, Rosanne Di Stefano","submitted_at":"2016-06-16T20:00:01Z","abstract_excerpt":"We compile observations of early-type binaries identified via spectroscopy, eclipses, long-baseline interferometry, adaptive optics, common proper motion, etc. Each observational technique is sensitive to companions across a narrow parameter space of orbital periods P and mass ratios q = M_comp/M_1. After combining the samples from the various surveys and correcting for their respective selection effects, we find the properties of companions to O-type and B-type main-sequence (MS) stars differ among three regimes. First, at short orbital periods P < 20 days (separations a < 0.4 AU), the binari"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05347","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":""},"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":"2026-05-18T00:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x4vxrT6LFkErb4CoV7JXiEbMHoBbKlp/1xvsc/kzI9TgndeW8dfr4PDCGN3v5O3S0Y6gAnN79USbNy5WIaK/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:42:14.705558Z"},"content_sha256":"770186f131e71597f6d32de40b47f5836f1f90cb7e46f16685f8c0822b2f7c43","schema_version":"1.0","event_id":"sha256:770186f131e71597f6d32de40b47f5836f1f90cb7e46f16685f8c0822b2f7c43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VTCGCNADCJFIZAZUHAXJY7BYJ5/bundle.json","state_url":"https://pith.science/pith/VTCGCNADCJFIZAZUHAXJY7BYJ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VTCGCNADCJFIZAZUHAXJY7BYJ5/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":"2026-08-04T12:42:14Z","links":{"resolver":"https://pith.science/pith/VTCGCNADCJFIZAZUHAXJY7BYJ5","bundle":"https://pith.science/pith/VTCGCNADCJFIZAZUHAXJY7BYJ5/bundle.json","state":"https://pith.science/pith/VTCGCNADCJFIZAZUHAXJY7BYJ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VTCGCNADCJFIZAZUHAXJY7BYJ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VTCGCNADCJFIZAZUHAXJY7BYJ5","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":"123185f8326d521e50f9e6375061b47df150affa3f4786df3db151edcd593cf9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-16T20:00:01Z","title_canon_sha256":"a1e497dddeb82ad21a49561de57af872628427a4488885cfb8ccf8207b1aca3a"},"schema_version":"1.0","source":{"id":"1606.05347","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.05347","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1606.05347v2","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.05347","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"VTCGCNADCJFI","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VTCGCNADCJFIZAZU","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VTCGCNAD","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:770186f131e71597f6d32de40b47f5836f1f90cb7e46f16685f8c0822b2f7c43","target":"graph","created_at":"2026-05-18T00:42:02Z","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 compile observations of early-type binaries identified via spectroscopy, eclipses, long-baseline interferometry, adaptive optics, common proper motion, etc. Each observational technique is sensitive to companions across a narrow parameter space of orbital periods P and mass ratios q = M_comp/M_1. After combining the samples from the various surveys and correcting for their respective selection effects, we find the properties of companions to O-type and B-type main-sequence (MS) stars differ among three regimes. First, at short orbital periods P < 20 days (separations a < 0.4 AU), the binari","authors_text":"Maxwell Moe, Rosanne Di Stefano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-16T20:00:01Z","title":"Mind your Ps and Qs: the Interrelation between Period (P) and Mass-ratio (Q) Distributions of Binary Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05347","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:cecbaea1ba553aab5ac8317bdef0bf258a57bd1f5a7c927aefe8eb4837ebd083","target":"record","created_at":"2026-05-18T00:42:02Z","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":"123185f8326d521e50f9e6375061b47df150affa3f4786df3db151edcd593cf9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-16T20:00:01Z","title_canon_sha256":"a1e497dddeb82ad21a49561de57af872628427a4488885cfb8ccf8207b1aca3a"},"schema_version":"1.0","source":{"id":"1606.05347","kind":"arxiv","version":2}},"canonical_sha256":"acc4613403124a8c8334382e9c7c384f43d3af09a6265194431bb59274f417c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acc4613403124a8c8334382e9c7c384f43d3af09a6265194431bb59274f417c5","first_computed_at":"2026-05-18T00:42:02.756276Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:02.756276Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mjJx33MQ8asPoJ+2lObRsnJXyaPLMybmDvOi8dq3rIyOLc4Y9LdTazS9MwpVc17QYQ+obJ2xfrPp9MjAx3zNBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:02.756757Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.05347","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cecbaea1ba553aab5ac8317bdef0bf258a57bd1f5a7c927aefe8eb4837ebd083","sha256:770186f131e71597f6d32de40b47f5836f1f90cb7e46f16685f8c0822b2f7c43"],"state_sha256":"09ab9de019e49ab103d3c55fc6cba7442506ba5f27faeb3f874bc10942bb122b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MSPAkQFmF4E2mmgsTXZc+j3odg4O2TwZD4cU1IBXWu6m8ChSibLN5v3qI6i+xbTjFqP/SaAhPwE6PLD+1HMGAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:42:14.723633Z","bundle_sha256":"e2f617a160e58d8dadbb063306ced3b27467b12581eff079ea1f920a900a6473"}}