{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:35KJK7LQS67X5B5VZPPMCYR5XV","short_pith_number":"pith:35KJK7LQ","canonical_record":{"source":{"id":"1008.3388","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-19T20:00:56Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"33c6424faf05c2b232225fd7d426c7c24dbe23903024ee33bd9921d23f22ff95","abstract_canon_sha256":"3b4ea7814dc7b412ea010e99704813cf2e6342e16b980f5dc287189232185f44"},"schema_version":"1.0"},"canonical_sha256":"df54957d7097bf7e87b5cbdec1623dbd5ac3dcd27e65943cd3b8d61f3aa1d316","source":{"kind":"arxiv","id":"1008.3388","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3388","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3388v1","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3388","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"35KJK7LQS67X","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"35KJK7LQS67X5B5V","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"35KJK7LQ","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:35KJK7LQS67X5B5VZPPMCYR5XV","target":"record","payload":{"canonical_record":{"source":{"id":"1008.3388","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-19T20:00:56Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"33c6424faf05c2b232225fd7d426c7c24dbe23903024ee33bd9921d23f22ff95","abstract_canon_sha256":"3b4ea7814dc7b412ea010e99704813cf2e6342e16b980f5dc287189232185f44"},"schema_version":"1.0"},"canonical_sha256":"df54957d7097bf7e87b5cbdec1623dbd5ac3dcd27e65943cd3b8d61f3aa1d316","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:46.460737Z","signature_b64":"ahkvy2T+UHlgTGY2laNPDDldUIqqeASiVPiyqGcSJJK1Lvg2ikw24w4LRY9hrrUzAs2wFlmazp+sf8khAWykDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df54957d7097bf7e87b5cbdec1623dbd5ac3dcd27e65943cd3b8d61f3aa1d316","last_reissued_at":"2026-05-18T02:05:46.460078Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:46.460078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.3388","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":"2026-05-18T02:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gd9aqn7WpYx8pXymqTe0iLkeEO1ShmHJyZsQSURcPYXEC3nRnluFufgcOIj7886gNL4esVHoIICzoZ3moMwxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:22:05.006475Z"},"content_sha256":"32ae2f4aa3889bb2b6967793049e62e4be38eae32921a4999c10f214af2dc97e","schema_version":"1.0","event_id":"sha256:32ae2f4aa3889bb2b6967793049e62e4be38eae32921a4999c10f214af2dc97e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:35KJK7LQS67X5B5VZPPMCYR5XV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HAT-P-20b--HAT-P-23b: Four Massive Transiting Extrasolar Planets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"(10) Niels Bohr Institute, 2), (2) NSF Fellow, (3) Konkoly Observatory, (4) Astronomy Department, 5), (5) Department of Physics, (6) California Institute of Technology, (7) Department of Astronomy, 8), (8) UCL, (9) LCOGT, A. Shporer (9), Astronomy, A. W. Howard (7), B. B\\'eky (1), Berkeley, Budapest, Budapest), CA, Cambridge, Copenhagen University, CT, D. A. Fischer (4, D. D. Sasselov (1), Denmark (11) Hungarian Astronomical Association, Department of Astrophysics, Dept. of Physics, D. Kipping (1, D. W. Latham (1), G. \\'A. Bakos (1, G. A. Esquerdo (1), G\\'eza Kov\\'acs (3), G. Torres (1), G. W. Marcy (7), Hungary, I. Papp (11), J. A. Johnson (6), J. Hartman (1), J. L\\'az\\'ar (11), L. A. Buchhave (10) G. Perumpilly (1), London, MA, M. Everett (1), New Haven, Pasadena, P. S\\'ari (11) ((1) Harvard-Smithsonian CfA, R. P. Stefanik (1), R. W. Noyes (1), San Francisco, San Francisco State University, Santa Barbara, UC Berkeley, UK, USA, Yale University","submitted_at":"2010-08-19T20:00:56Z","abstract_excerpt":"We report the discovery of four relatively massive (2-7MJ) transiting extrasolar planets. HAT-P-20b orbits a V=11.339 K3 dwarf star with a period P=2.875317+/-0.000004d. The host star has a mass of 0.760+/-0.03 Msun, radius of 0.690+/-0.02 Rsun, Teff=4595+/-80 K, and metallicity [Fe/H]=+0.35+/-0.08. HAT-P-20b has a mass of 7.246+/-0.187 MJ, and radius of 0.867+/-0.033 RJ yielding a mean density of 13.78+/-1.50 gcm^-3 , which is the second highest value among all known exoplanets. HAT-P-21b orbits a V=11.685 G3 dwarf on an eccentric (e=0.2280+/-0.016) orbit, with a period of P=4.1244810+/-00000"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3388","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":"2026-05-18T02:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wu5aiMZ77eGJVEgANRg//lr8rSjZTCat7Xgdv0mvmEudMLaiTCoUivldRaP0Kg53Wv8g52kIpKnn0I2ME6TPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:22:05.007094Z"},"content_sha256":"b95254e6924ee5157da94e69513b648593e40e29d58ef02121fbc6853852be03","schema_version":"1.0","event_id":"sha256:b95254e6924ee5157da94e69513b648593e40e29d58ef02121fbc6853852be03"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/35KJK7LQS67X5B5VZPPMCYR5XV/bundle.json","state_url":"https://pith.science/pith/35KJK7LQS67X5B5VZPPMCYR5XV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/35KJK7LQS67X5B5VZPPMCYR5XV/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":"2026-05-28T19:22:05Z","links":{"resolver":"https://pith.science/pith/35KJK7LQS67X5B5VZPPMCYR5XV","bundle":"https://pith.science/pith/35KJK7LQS67X5B5VZPPMCYR5XV/bundle.json","state":"https://pith.science/pith/35KJK7LQS67X5B5VZPPMCYR5XV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/35KJK7LQS67X5B5VZPPMCYR5XV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:35KJK7LQS67X5B5VZPPMCYR5XV","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":"3b4ea7814dc7b412ea010e99704813cf2e6342e16b980f5dc287189232185f44","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-19T20:00:56Z","title_canon_sha256":"33c6424faf05c2b232225fd7d426c7c24dbe23903024ee33bd9921d23f22ff95"},"schema_version":"1.0","source":{"id":"1008.3388","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3388","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3388v1","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3388","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"35KJK7LQS67X","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"35KJK7LQS67X5B5V","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"35KJK7LQ","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:b95254e6924ee5157da94e69513b648593e40e29d58ef02121fbc6853852be03","target":"graph","created_at":"2026-05-18T02:05:46Z","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 four relatively massive (2-7MJ) transiting extrasolar planets. HAT-P-20b orbits a V=11.339 K3 dwarf star with a period P=2.875317+/-0.000004d. The host star has a mass of 0.760+/-0.03 Msun, radius of 0.690+/-0.02 Rsun, Teff=4595+/-80 K, and metallicity [Fe/H]=+0.35+/-0.08. HAT-P-20b has a mass of 7.246+/-0.187 MJ, and radius of 0.867+/-0.033 RJ yielding a mean density of 13.78+/-1.50 gcm^-3 , which is the second highest value among all known exoplanets. HAT-P-21b orbits a V=11.685 G3 dwarf on an eccentric (e=0.2280+/-0.016) orbit, with a period of P=4.1244810+/-00000","authors_text":"(10) Niels Bohr Institute, 2), (2) NSF Fellow, (3) Konkoly Observatory, (4) Astronomy Department, 5), (5) Department of Physics, (6) California Institute of Technology, (7) Department of Astronomy, 8), (8) UCL, (9) LCOGT, A. Shporer (9), Astronomy, A. W. Howard (7), B. B\\'eky (1), Berkeley, Budapest, Budapest), CA, Cambridge, Copenhagen University, CT, D. A. Fischer (4, D. D. Sasselov (1), Denmark (11) Hungarian Astronomical Association, Department of Astrophysics, Dept. of Physics, D. Kipping (1, D. W. Latham (1), G. \\'A. Bakos (1, G. A. Esquerdo (1), G\\'eza Kov\\'acs (3), G. Torres (1), G. W. Marcy (7), Hungary, I. Papp (11), J. A. Johnson (6), J. Hartman (1), J. L\\'az\\'ar (11), L. A. Buchhave (10) G. Perumpilly (1), London, MA, M. Everett (1), New Haven, Pasadena, P. S\\'ari (11) ((1) Harvard-Smithsonian CfA, R. P. Stefanik (1), R. W. Noyes (1), San Francisco, San Francisco State University, Santa Barbara, UC Berkeley, UK, USA, Yale University","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-19T20:00:56Z","title":"HAT-P-20b--HAT-P-23b: Four Massive Transiting Extrasolar Planets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3388","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":"sha256:32ae2f4aa3889bb2b6967793049e62e4be38eae32921a4999c10f214af2dc97e","target":"record","created_at":"2026-05-18T02:05:46Z","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":"3b4ea7814dc7b412ea010e99704813cf2e6342e16b980f5dc287189232185f44","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-19T20:00:56Z","title_canon_sha256":"33c6424faf05c2b232225fd7d426c7c24dbe23903024ee33bd9921d23f22ff95"},"schema_version":"1.0","source":{"id":"1008.3388","kind":"arxiv","version":1}},"canonical_sha256":"df54957d7097bf7e87b5cbdec1623dbd5ac3dcd27e65943cd3b8d61f3aa1d316","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df54957d7097bf7e87b5cbdec1623dbd5ac3dcd27e65943cd3b8d61f3aa1d316","first_computed_at":"2026-05-18T02:05:46.460078Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:46.460078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ahkvy2T+UHlgTGY2laNPDDldUIqqeASiVPiyqGcSJJK1Lvg2ikw24w4LRY9hrrUzAs2wFlmazp+sf8khAWykDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:46.460737Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.3388","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32ae2f4aa3889bb2b6967793049e62e4be38eae32921a4999c10f214af2dc97e","sha256:b95254e6924ee5157da94e69513b648593e40e29d58ef02121fbc6853852be03"],"state_sha256":"eb56b501b914c6f3cd75a6b160da75955e4975475e55509f261ba7d34a4cbac3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AlJBZngu7y3cJ/Ms20WILxDZN4cB63RzhFQbht5E9UQJNk4o+mFMoxxkEQYQlhUlyHMAcr90J/KV0iiU0k4LBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:22:05.010385Z","bundle_sha256":"35a802f7416270c63ad33a1dd4166e2526e6374b20989704fc88e4f5a6f910ef"}}