{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CBGQ4B6CVMDNNIXRVP3L3UUYG5","short_pith_number":"pith:CBGQ4B6C","canonical_record":{"source":{"id":"1611.08735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-26T19:03:59Z","cross_cats_sorted":[],"title_canon_sha256":"4729a9cd84bdaaa8eeab8c1e4bbf12ed7a91fbffc17567ff55a1833ff01cff41","abstract_canon_sha256":"7e20103440d24937d417864779d9b34c5c46110a2ec05a2a9bc044b9c6343d46"},"schema_version":"1.0"},"canonical_sha256":"104d0e07c2ab06d6a2f1abf6bdd298377706429ba9cc8b305e54a3c6dfaa3fdb","source":{"kind":"arxiv","id":"1611.08735","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.08735","created_at":"2026-05-18T00:54:26Z"},{"alias_kind":"arxiv_version","alias_value":"1611.08735v1","created_at":"2026-05-18T00:54:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.08735","created_at":"2026-05-18T00:54:26Z"},{"alias_kind":"pith_short_12","alias_value":"CBGQ4B6CVMDN","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CBGQ4B6CVMDNNIXR","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CBGQ4B6C","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CBGQ4B6CVMDNNIXRVP3L3UUYG5","target":"record","payload":{"canonical_record":{"source":{"id":"1611.08735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-26T19:03:59Z","cross_cats_sorted":[],"title_canon_sha256":"4729a9cd84bdaaa8eeab8c1e4bbf12ed7a91fbffc17567ff55a1833ff01cff41","abstract_canon_sha256":"7e20103440d24937d417864779d9b34c5c46110a2ec05a2a9bc044b9c6343d46"},"schema_version":"1.0"},"canonical_sha256":"104d0e07c2ab06d6a2f1abf6bdd298377706429ba9cc8b305e54a3c6dfaa3fdb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:26.231632Z","signature_b64":"zb8npIHq8rha5BqGUTDHw9n/s0MvPWHFkQNr8ZRCYGOmxHkQFAsv1NKMazmV/DAHugP2W1bV6TpGIYW+Nn6QAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"104d0e07c2ab06d6a2f1abf6bdd298377706429ba9cc8b305e54a3c6dfaa3fdb","last_reissued_at":"2026-05-18T00:54:26.231055Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:26.231055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.08735","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":"2026-05-18T00:54:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QWJ5Hmy0FSHIjJ61wVSt89jVsQKObE2HwPKMp1viTbG3VLUuaqkFh8c1OKANDjlkWfIn8YLpTFPOV2zEPP9GAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:47:56.958728Z"},"content_sha256":"549c198ce979af27fb82bf3e5f848c95561328087593239b53dea3045fce4bd4","schema_version":"1.0","event_id":"sha256:549c198ce979af27fb82bf3e5f848c95561328087593239b53dea3045fce4bd4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CBGQ4B6CVMDNNIXRVP3L3UUYG5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"WASP-20 is a close visual binary with a transiting hot Jupiter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Barry Smalley, Daniel Evans, John Southworth","submitted_at":"2016-11-26T19:03:59Z","abstract_excerpt":"We announce the discovery that WASP-20 is a binary stellar system, consisting of two components separated by $0.2578\\pm0.0007^{\\prime\\prime}$ on the sky, with a flux ratio of $0.4639\\pm 0.0015$ in the $K$-band. It has previously been assumed that the system consists of a single F9 V star, with photometric and radial velocity signals consistent with a low-density transiting giant planet. With a projected separation of approximately $60$ au between the two components, the detected planetary signals almost certainly originate from the brighter of the two stars. We reanalyse previous observations "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.08735","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":"2026-05-18T00:54:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hXp6avPRRgaW0Pr+iF6rQkiM6m6J7TvS19YMgeJbEcKv60/TMOgbwDbrRm3tpXs/7pjyLtc5pQ2sLudR6k2LDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:47:56.959062Z"},"content_sha256":"0d7bf2122ca85976a047c7dfa5b74ad611b24392edead6bd48c29f081ee65015","schema_version":"1.0","event_id":"sha256:0d7bf2122ca85976a047c7dfa5b74ad611b24392edead6bd48c29f081ee65015"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CBGQ4B6CVMDNNIXRVP3L3UUYG5/bundle.json","state_url":"https://pith.science/pith/CBGQ4B6CVMDNNIXRVP3L3UUYG5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CBGQ4B6CVMDNNIXRVP3L3UUYG5/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":"2026-06-05T17:47:56Z","links":{"resolver":"https://pith.science/pith/CBGQ4B6CVMDNNIXRVP3L3UUYG5","bundle":"https://pith.science/pith/CBGQ4B6CVMDNNIXRVP3L3UUYG5/bundle.json","state":"https://pith.science/pith/CBGQ4B6CVMDNNIXRVP3L3UUYG5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CBGQ4B6CVMDNNIXRVP3L3UUYG5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CBGQ4B6CVMDNNIXRVP3L3UUYG5","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":"7e20103440d24937d417864779d9b34c5c46110a2ec05a2a9bc044b9c6343d46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-26T19:03:59Z","title_canon_sha256":"4729a9cd84bdaaa8eeab8c1e4bbf12ed7a91fbffc17567ff55a1833ff01cff41"},"schema_version":"1.0","source":{"id":"1611.08735","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.08735","created_at":"2026-05-18T00:54:26Z"},{"alias_kind":"arxiv_version","alias_value":"1611.08735v1","created_at":"2026-05-18T00:54:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.08735","created_at":"2026-05-18T00:54:26Z"},{"alias_kind":"pith_short_12","alias_value":"CBGQ4B6CVMDN","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CBGQ4B6CVMDNNIXR","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CBGQ4B6C","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:0d7bf2122ca85976a047c7dfa5b74ad611b24392edead6bd48c29f081ee65015","target":"graph","created_at":"2026-05-18T00:54:26Z","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 announce the discovery that WASP-20 is a binary stellar system, consisting of two components separated by $0.2578\\pm0.0007^{\\prime\\prime}$ on the sky, with a flux ratio of $0.4639\\pm 0.0015$ in the $K$-band. It has previously been assumed that the system consists of a single F9 V star, with photometric and radial velocity signals consistent with a low-density transiting giant planet. With a projected separation of approximately $60$ au between the two components, the detected planetary signals almost certainly originate from the brighter of the two stars. We reanalyse previous observations ","authors_text":"Barry Smalley, Daniel Evans, John Southworth","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-26T19:03:59Z","title":"WASP-20 is a close visual binary with a transiting hot Jupiter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.08735","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":"sha256:549c198ce979af27fb82bf3e5f848c95561328087593239b53dea3045fce4bd4","target":"record","created_at":"2026-05-18T00:54:26Z","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":"7e20103440d24937d417864779d9b34c5c46110a2ec05a2a9bc044b9c6343d46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-26T19:03:59Z","title_canon_sha256":"4729a9cd84bdaaa8eeab8c1e4bbf12ed7a91fbffc17567ff55a1833ff01cff41"},"schema_version":"1.0","source":{"id":"1611.08735","kind":"arxiv","version":1}},"canonical_sha256":"104d0e07c2ab06d6a2f1abf6bdd298377706429ba9cc8b305e54a3c6dfaa3fdb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"104d0e07c2ab06d6a2f1abf6bdd298377706429ba9cc8b305e54a3c6dfaa3fdb","first_computed_at":"2026-05-18T00:54:26.231055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:26.231055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zb8npIHq8rha5BqGUTDHw9n/s0MvPWHFkQNr8ZRCYGOmxHkQFAsv1NKMazmV/DAHugP2W1bV6TpGIYW+Nn6QAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:26.231632Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.08735","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:549c198ce979af27fb82bf3e5f848c95561328087593239b53dea3045fce4bd4","sha256:0d7bf2122ca85976a047c7dfa5b74ad611b24392edead6bd48c29f081ee65015"],"state_sha256":"bf842e9d6daac0b6a396aa0bcf3cb5009a4244097af93c97f004d94e8588f4bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kydCHkGMs8KMM9EHw2tz9tC923VACMeLMgseJKZTywCUWZYqFbwxUaZhGxNsN6Y+z6xtM2nXMaWZA5cF2KdiBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T17:47:56.961095Z","bundle_sha256":"e398d45e59516ad5cf7d4062140f6802ef30fa9e0277a1d68ac4d782785ef324"}}