{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:AD4WQRFCLBGQLEBKOBYIXMFCGY","short_pith_number":"pith:AD4WQRFC","canonical_record":{"source":{"id":"1008.4129","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-24T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"b91758c7ef47795431e432938c016b602e58d5332a2c38aa7be0731d5776b0b5","abstract_canon_sha256":"b4631f159bad6df513a6a4a7b11436eb8c4f3dfd0bd625c8fba53fc1b57868de"},"schema_version":"1.0"},"canonical_sha256":"00f96844a2584d05902a70708bb0a23605a4047e6fced011d3411f1ab54033dc","source":{"kind":"arxiv","id":"1008.4129","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4129","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4129v2","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4129","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"pith_short_12","alias_value":"AD4WQRFCLBGQ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AD4WQRFCLBGQLEBK","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AD4WQRFC","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:AD4WQRFCLBGQLEBKOBYIXMFCGY","target":"record","payload":{"canonical_record":{"source":{"id":"1008.4129","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-24T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"b91758c7ef47795431e432938c016b602e58d5332a2c38aa7be0731d5776b0b5","abstract_canon_sha256":"b4631f159bad6df513a6a4a7b11436eb8c4f3dfd0bd625c8fba53fc1b57868de"},"schema_version":"1.0"},"canonical_sha256":"00f96844a2584d05902a70708bb0a23605a4047e6fced011d3411f1ab54033dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:43.135505Z","signature_b64":"+jMV225m+U5Gk8q96dRgmt2db+CqX/v1QZ2AmTAFqLScYvt+UIMp5I6tO1+NLZwnoMjHA2PmIvcVXs4LsqKtAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00f96844a2584d05902a70708bb0a23605a4047e6fced011d3411f1ab54033dc","last_reissued_at":"2026-05-18T02:05:43.134844Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:43.134844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.4129","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":"2026-05-18T02:05:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KTV+rBIC+Memq1HrPfTcXghV6Pbljc4lR/Toa9+3EG9AvbEmaGlXpKsE83lJtHAH1OiCKVHB+lyjebvM25kTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:18:56.416483Z"},"content_sha256":"1133f2a55cd2e651b6f7dd6f62b91da02ac1650894e12c18055c32ca42f6d2f1","schema_version":"1.0","event_id":"sha256:1133f2a55cd2e651b6f7dd6f62b91da02ac1650894e12c18055c32ca42f6d2f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:AD4WQRFCLBGQLEBKOBYIXMFCGY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ground-based multisite observations of two transits of HD 80606b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Cabrera-Lavers, A. R. Rudy, A. Shporer, B. E. Nelson, B. J. Fulton, C. Morley, C. Moutou, C. Vincent, D. Pollaco, D. Starkey, E. Adams, E. B. Ford, E. Roebuck, E. Simpson, F. Bouchy, F. Reyes, G. A. Esquerdo, G. Hebrard, G. Lander, G. Weaver, H. Deeg, J. Fernandez, J. N. Winn, J.-W. Xie, K. Costello, K. D. Colon, L. Coban, L. Nortmann, M. Good, M. Hunt, M. J. Holman, M. Lockhart, P. I. Choi, R. C. Morehead, R. F. Diaz, R. Ruth, S. C. C. Barros, S. Cerutti, S. Dreizler, S. Kadakia, S. W. Fleming, T. Mazeh, W. F. Welsh, W. M. Wood-Vasey","submitted_at":"2010-08-24T20:00:03Z","abstract_excerpt":"We present ground-based optical observations of the September 2009 and January 2010 transits of HD 80606b. Based on 3 partial light curves of the September 2009 event, we derive a midtransit time of T_c [HJD] = 2455099.196 +- 0.026, which is about 1 sigma away from the previously predicted time. We observed the January 2010 event from 9 different locations, with most phases of the transit being observed by at least 3 different teams. We determine a midtransit time of T_c [HJD] = 2455210.6502 +- 0.0064, which is within 1.3 sigma of the time derived from a Spitzer observation of the same event."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4129","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":"2026-05-18T02:05:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RnnzXP7Xd8eorv7SzDM3noCjCrlTp4RMPvp4vs6evV9PRJf0zPlV3FJjPV4h54zbZJRmwHFwNf0Q1SW3jqxICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:18:56.416840Z"},"content_sha256":"367ccf57422f9b7535c339a96fc4f69541fc526b93081bb713a6b96cda9f3ea9","schema_version":"1.0","event_id":"sha256:367ccf57422f9b7535c339a96fc4f69541fc526b93081bb713a6b96cda9f3ea9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AD4WQRFCLBGQLEBKOBYIXMFCGY/bundle.json","state_url":"https://pith.science/pith/AD4WQRFCLBGQLEBKOBYIXMFCGY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AD4WQRFCLBGQLEBKOBYIXMFCGY/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":"2026-05-28T14:18:56Z","links":{"resolver":"https://pith.science/pith/AD4WQRFCLBGQLEBKOBYIXMFCGY","bundle":"https://pith.science/pith/AD4WQRFCLBGQLEBKOBYIXMFCGY/bundle.json","state":"https://pith.science/pith/AD4WQRFCLBGQLEBKOBYIXMFCGY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AD4WQRFCLBGQLEBKOBYIXMFCGY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:AD4WQRFCLBGQLEBKOBYIXMFCGY","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":"b4631f159bad6df513a6a4a7b11436eb8c4f3dfd0bd625c8fba53fc1b57868de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-24T20:00:03Z","title_canon_sha256":"b91758c7ef47795431e432938c016b602e58d5332a2c38aa7be0731d5776b0b5"},"schema_version":"1.0","source":{"id":"1008.4129","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4129","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4129v2","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4129","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"pith_short_12","alias_value":"AD4WQRFCLBGQ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AD4WQRFCLBGQLEBK","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AD4WQRFC","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:367ccf57422f9b7535c339a96fc4f69541fc526b93081bb713a6b96cda9f3ea9","target":"graph","created_at":"2026-05-18T02:05:43Z","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 present ground-based optical observations of the September 2009 and January 2010 transits of HD 80606b. Based on 3 partial light curves of the September 2009 event, we derive a midtransit time of T_c [HJD] = 2455099.196 +- 0.026, which is about 1 sigma away from the previously predicted time. We observed the January 2010 event from 9 different locations, with most phases of the transit being observed by at least 3 different teams. We determine a midtransit time of T_c [HJD] = 2455210.6502 +- 0.0064, which is within 1.3 sigma of the time derived from a Spitzer observation of the same event.","authors_text":"A. Cabrera-Lavers, A. R. Rudy, A. Shporer, B. E. Nelson, B. J. Fulton, C. Morley, C. Moutou, C. Vincent, D. Pollaco, D. Starkey, E. Adams, E. B. Ford, E. Roebuck, E. Simpson, F. Bouchy, F. Reyes, G. A. Esquerdo, G. Hebrard, G. Lander, G. Weaver, H. Deeg, J. Fernandez, J. N. Winn, J.-W. Xie, K. Costello, K. D. Colon, L. Coban, L. Nortmann, M. Good, M. Hunt, M. J. Holman, M. Lockhart, P. I. Choi, R. C. Morehead, R. F. Diaz, R. Ruth, S. C. C. Barros, S. Cerutti, S. Dreizler, S. Kadakia, S. W. Fleming, T. Mazeh, W. F. Welsh, W. M. Wood-Vasey","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-24T20:00:03Z","title":"Ground-based multisite observations of two transits of HD 80606b"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4129","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":"sha256:1133f2a55cd2e651b6f7dd6f62b91da02ac1650894e12c18055c32ca42f6d2f1","target":"record","created_at":"2026-05-18T02:05:43Z","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":"b4631f159bad6df513a6a4a7b11436eb8c4f3dfd0bd625c8fba53fc1b57868de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-24T20:00:03Z","title_canon_sha256":"b91758c7ef47795431e432938c016b602e58d5332a2c38aa7be0731d5776b0b5"},"schema_version":"1.0","source":{"id":"1008.4129","kind":"arxiv","version":2}},"canonical_sha256":"00f96844a2584d05902a70708bb0a23605a4047e6fced011d3411f1ab54033dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00f96844a2584d05902a70708bb0a23605a4047e6fced011d3411f1ab54033dc","first_computed_at":"2026-05-18T02:05:43.134844Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:43.134844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+jMV225m+U5Gk8q96dRgmt2db+CqX/v1QZ2AmTAFqLScYvt+UIMp5I6tO1+NLZwnoMjHA2PmIvcVXs4LsqKtAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:43.135505Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.4129","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1133f2a55cd2e651b6f7dd6f62b91da02ac1650894e12c18055c32ca42f6d2f1","sha256:367ccf57422f9b7535c339a96fc4f69541fc526b93081bb713a6b96cda9f3ea9"],"state_sha256":"6f1ff45a73824b3b5ac6d81de1a644ff57ef79b0a14f125c94a6c33ed93b5809"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QUpp76PD3IZ805IrsdSIUE23YMKOFS7JL+etdqT8j6oNSXBM1zIgr9WDheeLbfvru298FvLzgOkmzVWOKl7TAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:18:56.418815Z","bundle_sha256":"c1dabf94057ba0c86975fc4cc51fc0f924cde6fdc70bd3cfbfdd575297630d2f"}}