{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6HBOQDZDIS4LKTB5JAEDPK5BNC","short_pith_number":"pith:6HBOQDZD","canonical_record":{"source":{"id":"1305.3891","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-05-16T19:17:57Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"81313bf9eb6c35a9b5cfded743de7cc70ababedf43ad303e6a0e6cf3fea4936d","abstract_canon_sha256":"4c56af5a861859f00efcc3716af5bf3eed7d71fc48f2017439ab7d7651a79e23"},"schema_version":"1.0"},"canonical_sha256":"f1c2e80f2344b8b54c3d480837aba168acf59f1bdedc51f98729a90b9b00d096","source":{"kind":"arxiv","id":"1305.3891","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.3891","created_at":"2026-05-18T03:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"1305.3891v2","created_at":"2026-05-18T03:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3891","created_at":"2026-05-18T03:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"6HBOQDZDIS4L","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6HBOQDZDIS4LKTB5","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6HBOQDZD","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6HBOQDZDIS4LKTB5JAEDPK5BNC","target":"record","payload":{"canonical_record":{"source":{"id":"1305.3891","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-05-16T19:17:57Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"81313bf9eb6c35a9b5cfded743de7cc70ababedf43ad303e6a0e6cf3fea4936d","abstract_canon_sha256":"4c56af5a861859f00efcc3716af5bf3eed7d71fc48f2017439ab7d7651a79e23"},"schema_version":"1.0"},"canonical_sha256":"f1c2e80f2344b8b54c3d480837aba168acf59f1bdedc51f98729a90b9b00d096","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:17.137284Z","signature_b64":"r9+nbQ2fMxMOTpf/lseoQfBpa4+AGgH6zhy2iyQwo00H2ihH+ztbr/Pj5om41CVbHG73iJCk43JEeLBMPFCbDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1c2e80f2344b8b54c3d480837aba168acf59f1bdedc51f98729a90b9b00d096","last_reissued_at":"2026-05-18T03:14:17.136666Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:17.136666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.3891","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":"2026-05-18T03:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QYqUm5zF0wEJnp45e6/QMZmGa0IFfGLXpuzDzL7BMJh2U1BxZEh76Flrb/kcGQ9NZeXwQoS5OxUDmjRsw5X8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:12:17.108362Z"},"content_sha256":"e707c25acb98d2c591bcc66b1edabcfc0d2d016d86f0c8c5c770840489bf65a7","schema_version":"1.0","event_id":"sha256:e707c25acb98d2c591bcc66b1edabcfc0d2d016d86f0c8c5c770840489bf65a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6HBOQDZDIS4LKTB5JAEDPK5BNC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kepler-77b: a very low albedo, Saturn-mass transiting planet around a metal-rich solar-like star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. A. Djupvik, A. F. Lanza, A. Frasca, A. McQuillan, A. Ofir, A. P. Hatzes, D. Gandolfi, E. Tognelli, E. W. Guenther, H. J. Deeg, H. Parviainen, J. Cabrera, J. Jessen-Hansen, J. Telting, L. Carone, M. Fridlund, P. G. Prada Moroni, R. Alonso, S. Aigrain, Sz. Csizmadia, V. Antoci","submitted_at":"2013-05-16T19:17:57Z","abstract_excerpt":"We report the discovery of Kepler-77b (alias KOI-127.01), a Saturn-mass transiting planet in a 3.6-day orbit around a metal-rich solar-like star. We combined the publicly available Kepler photometry (quarters 1-13) with high-resolution spectroscopy from the Sandiford@McDonald and FIES@NOT spectrographs. We derived the system parameters via a simultaneous joint fit to the photometric and radial velocity measurements. Our analysis is based on the Bayesian approach and is carried out by sampling the parameter posterior distributions using a Markov chain Monte Carlo simulation. Kepler-77b is a mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3891","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":"2026-05-18T03:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/4FMKzOBzX9WX1j4UwfribtuHWX7OguqTI0HTa9QWxeGiR4WzrxphrbfkSDtlzGjlfpE+d1QuyM8TcZEPMxJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:12:17.108721Z"},"content_sha256":"945845eedd75b5c473fe9cebbe6fc59ae5583b821ea7f546f1880f981101ca91","schema_version":"1.0","event_id":"sha256:945845eedd75b5c473fe9cebbe6fc59ae5583b821ea7f546f1880f981101ca91"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6HBOQDZDIS4LKTB5JAEDPK5BNC/bundle.json","state_url":"https://pith.science/pith/6HBOQDZDIS4LKTB5JAEDPK5BNC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6HBOQDZDIS4LKTB5JAEDPK5BNC/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":"2026-05-27T09:12:17Z","links":{"resolver":"https://pith.science/pith/6HBOQDZDIS4LKTB5JAEDPK5BNC","bundle":"https://pith.science/pith/6HBOQDZDIS4LKTB5JAEDPK5BNC/bundle.json","state":"https://pith.science/pith/6HBOQDZDIS4LKTB5JAEDPK5BNC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6HBOQDZDIS4LKTB5JAEDPK5BNC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6HBOQDZDIS4LKTB5JAEDPK5BNC","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":"4c56af5a861859f00efcc3716af5bf3eed7d71fc48f2017439ab7d7651a79e23","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-05-16T19:17:57Z","title_canon_sha256":"81313bf9eb6c35a9b5cfded743de7cc70ababedf43ad303e6a0e6cf3fea4936d"},"schema_version":"1.0","source":{"id":"1305.3891","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.3891","created_at":"2026-05-18T03:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"1305.3891v2","created_at":"2026-05-18T03:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3891","created_at":"2026-05-18T03:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"6HBOQDZDIS4L","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6HBOQDZDIS4LKTB5","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6HBOQDZD","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:945845eedd75b5c473fe9cebbe6fc59ae5583b821ea7f546f1880f981101ca91","target":"graph","created_at":"2026-05-18T03:14:17Z","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 report the discovery of Kepler-77b (alias KOI-127.01), a Saturn-mass transiting planet in a 3.6-day orbit around a metal-rich solar-like star. We combined the publicly available Kepler photometry (quarters 1-13) with high-resolution spectroscopy from the Sandiford@McDonald and FIES@NOT spectrographs. We derived the system parameters via a simultaneous joint fit to the photometric and radial velocity measurements. Our analysis is based on the Bayesian approach and is carried out by sampling the parameter posterior distributions using a Markov chain Monte Carlo simulation. Kepler-77b is a mod","authors_text":"A. A. Djupvik, A. F. Lanza, A. Frasca, A. McQuillan, A. Ofir, A. P. Hatzes, D. Gandolfi, E. Tognelli, E. W. Guenther, H. J. Deeg, H. Parviainen, J. Cabrera, J. Jessen-Hansen, J. Telting, L. Carone, M. Fridlund, P. G. Prada Moroni, R. Alonso, S. Aigrain, Sz. Csizmadia, V. Antoci","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-05-16T19:17:57Z","title":"Kepler-77b: a very low albedo, Saturn-mass transiting planet around a metal-rich solar-like star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3891","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:e707c25acb98d2c591bcc66b1edabcfc0d2d016d86f0c8c5c770840489bf65a7","target":"record","created_at":"2026-05-18T03:14:17Z","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":"4c56af5a861859f00efcc3716af5bf3eed7d71fc48f2017439ab7d7651a79e23","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-05-16T19:17:57Z","title_canon_sha256":"81313bf9eb6c35a9b5cfded743de7cc70ababedf43ad303e6a0e6cf3fea4936d"},"schema_version":"1.0","source":{"id":"1305.3891","kind":"arxiv","version":2}},"canonical_sha256":"f1c2e80f2344b8b54c3d480837aba168acf59f1bdedc51f98729a90b9b00d096","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1c2e80f2344b8b54c3d480837aba168acf59f1bdedc51f98729a90b9b00d096","first_computed_at":"2026-05-18T03:14:17.136666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:14:17.136666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r9+nbQ2fMxMOTpf/lseoQfBpa4+AGgH6zhy2iyQwo00H2ihH+ztbr/Pj5om41CVbHG73iJCk43JEeLBMPFCbDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:14:17.137284Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.3891","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e707c25acb98d2c591bcc66b1edabcfc0d2d016d86f0c8c5c770840489bf65a7","sha256:945845eedd75b5c473fe9cebbe6fc59ae5583b821ea7f546f1880f981101ca91"],"state_sha256":"0edf53609bc6500dc2c737e4a73902503fa96f3c938ca3377a0a61f5d8bc414d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J48NBmMCEZtkzx55GilMzPiLlxsxaQ7AEvAffb8d4h8uraB+4R24H4zya4UVcIhZK5bhenT3s8+RJLxSRQP1AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T09:12:17.111017Z","bundle_sha256":"6c038255481dee68745fcaec1e6d8f3fc450a5d6b05fe8af055fa5d2f086547c"}}