{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:B77JVAXPZWDAU5LEPP5ZVS2PNW","short_pith_number":"pith:B77JVAXP","canonical_record":{"source":{"id":"2108.03323","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-06T22:33:50Z","cross_cats_sorted":[],"title_canon_sha256":"f7e92685c990f3e5ab66208b86e8214f1822b8a97b5b36b3074618fe55523288","abstract_canon_sha256":"b40690a014dc93b094c0f96c13963b13b74d3eed3c79a2d913b4eba1a42bb2af"},"schema_version":"1.0"},"canonical_sha256":"0ffe9a82efcd860a75647bfb9acb4f6db7ff35b821cac02c04ffd383420b17cc","source":{"kind":"arxiv","id":"2108.03323","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.03323","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"arxiv_version","alias_value":"2108.03323v1","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.03323","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"pith_short_12","alias_value":"B77JVAXPZWDA","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"pith_short_16","alias_value":"B77JVAXPZWDAU5LE","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"pith_short_8","alias_value":"B77JVAXP","created_at":"2026-07-05T03:12:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:B77JVAXPZWDAU5LEPP5ZVS2PNW","target":"record","payload":{"canonical_record":{"source":{"id":"2108.03323","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-06T22:33:50Z","cross_cats_sorted":[],"title_canon_sha256":"f7e92685c990f3e5ab66208b86e8214f1822b8a97b5b36b3074618fe55523288","abstract_canon_sha256":"b40690a014dc93b094c0f96c13963b13b74d3eed3c79a2d913b4eba1a42bb2af"},"schema_version":"1.0"},"canonical_sha256":"0ffe9a82efcd860a75647bfb9acb4f6db7ff35b821cac02c04ffd383420b17cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:12:12.686451Z","signature_b64":"NgH3riymohKAoyKkbZsNWZUzKk/5KXc0BkpCozBB52t9Dia2HySjhN1CrWkX2f2urZhbT83g3pLMTBl33ncvAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ffe9a82efcd860a75647bfb9acb4f6db7ff35b821cac02c04ffd383420b17cc","last_reissued_at":"2026-07-05T03:12:12.685942Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:12:12.685942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.03323","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":"2026-07-05T03:12:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ys7OA/lvNcSOImoasVzFdGkslPOhi6Jp6m3gE58p0HiCVO65fPutcfZTPHlGFdkckBrf9sJWkKXItZoidkAWBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:07:10.082615Z"},"content_sha256":"e8671d1da2224955e01ca40cc4c650e8b992aeef106f639e29bfb76b8c91c2ac","schema_version":"1.0","event_id":"sha256:e8671d1da2224955e01ca40cc4c650e8b992aeef106f639e29bfb76b8c91c2ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:B77JVAXPZWDAU5LEPP5ZVS2PNW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Warm terrestrial planet with half the mass of Venus transiting a nearby star","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Antoniadis-Karnavas, A. Cabral, A. Mehner, A. Sozzetti, A. Su\\'arez Mascare\\~no, B. Lavie, C. Allende Prieto, C. J. A. P. Martins, C. Lovis, D. Bossini, D. Ehrenreich, D. M\\'egevand, E. Pall\\'e, E. Poretti, F. A. Pepe, F. Bouchy, G. Lo Curto, G. Micela, H. M. Tabernero, J. D. Camacho, J. Faria, J. Haldemann, J. I. Gonz\\'alez Hern\\'andez, J. Lillo-Box, L. Pasquini, M. Damasso, M. Oshagh, M. R. Zapatero Osorio, N. C. Santos, N. Hara, N. J. Nunes, Olivier D. S. Demangeon, P. Di Marcantonio, P. Figueira, P. Molaro, R. Allart, R. G\\'enova Santos, R. Rebolo, S. C. C. Barros, S. Cristiani, S. G. Sousa, S. Udry, V. Adibekyan, V. D'Odorico, Y. Alibert","submitted_at":"2021-08-06T22:33:50Z","abstract_excerpt":"The advent of a new generation of radial velocity instruments has allowed us to break the one Earth-mass barrier. We report a new milestone in this context with the detection of the lowest-mass planet measured so far using radial velocities: L 98-59 b, a rocky planet with half the mass of Venus. It is part of a system composed of three known transiting terrestrial planets (planets b to d). We announce the discovery of a fourth nontransiting planet with a minimum mass of 3.06_{-0.37}^{+0.33} MEarth and an orbital period of 12.796_{-0.019}^{+0.020} days and report indications for the presence of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.03323","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.03323/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:12:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9d0rFZkiDOKqkmMT8+Gv08t4ggz+q9VcHETZLWBDlCA8/uqJJfBVDuT8lemF1ymJps2xVB97eP5AIqSQGbkvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:07:10.082991Z"},"content_sha256":"cdefb6c96ce1ffc42c2c3e65a396fbf55a99b8bfeeca7a27f69eb3b13b3e6f06","schema_version":"1.0","event_id":"sha256:cdefb6c96ce1ffc42c2c3e65a396fbf55a99b8bfeeca7a27f69eb3b13b3e6f06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B77JVAXPZWDAU5LEPP5ZVS2PNW/bundle.json","state_url":"https://pith.science/pith/B77JVAXPZWDAU5LEPP5ZVS2PNW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B77JVAXPZWDAU5LEPP5ZVS2PNW/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":"2026-07-05T09:07:10Z","links":{"resolver":"https://pith.science/pith/B77JVAXPZWDAU5LEPP5ZVS2PNW","bundle":"https://pith.science/pith/B77JVAXPZWDAU5LEPP5ZVS2PNW/bundle.json","state":"https://pith.science/pith/B77JVAXPZWDAU5LEPP5ZVS2PNW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B77JVAXPZWDAU5LEPP5ZVS2PNW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:B77JVAXPZWDAU5LEPP5ZVS2PNW","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":"b40690a014dc93b094c0f96c13963b13b74d3eed3c79a2d913b4eba1a42bb2af","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-06T22:33:50Z","title_canon_sha256":"f7e92685c990f3e5ab66208b86e8214f1822b8a97b5b36b3074618fe55523288"},"schema_version":"1.0","source":{"id":"2108.03323","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.03323","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"arxiv_version","alias_value":"2108.03323v1","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.03323","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"pith_short_12","alias_value":"B77JVAXPZWDA","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"pith_short_16","alias_value":"B77JVAXPZWDAU5LE","created_at":"2026-07-05T03:12:12Z"},{"alias_kind":"pith_short_8","alias_value":"B77JVAXP","created_at":"2026-07-05T03:12:12Z"}],"graph_snapshots":[{"event_id":"sha256:cdefb6c96ce1ffc42c2c3e65a396fbf55a99b8bfeeca7a27f69eb3b13b3e6f06","target":"graph","created_at":"2026-07-05T03:12:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2108.03323/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The advent of a new generation of radial velocity instruments has allowed us to break the one Earth-mass barrier. We report a new milestone in this context with the detection of the lowest-mass planet measured so far using radial velocities: L 98-59 b, a rocky planet with half the mass of Venus. It is part of a system composed of three known transiting terrestrial planets (planets b to d). We announce the discovery of a fourth nontransiting planet with a minimum mass of 3.06_{-0.37}^{+0.33} MEarth and an orbital period of 12.796_{-0.019}^{+0.020} days and report indications for the presence of","authors_text":"A. Antoniadis-Karnavas, A. Cabral, A. Mehner, A. Sozzetti, A. Su\\'arez Mascare\\~no, B. Lavie, C. Allende Prieto, C. J. A. P. Martins, C. Lovis, D. Bossini, D. Ehrenreich, D. M\\'egevand, E. Pall\\'e, E. Poretti, F. A. Pepe, F. Bouchy, G. Lo Curto, G. Micela, H. M. Tabernero, J. D. Camacho, J. Faria, J. Haldemann, J. I. Gonz\\'alez Hern\\'andez, J. Lillo-Box, L. Pasquini, M. Damasso, M. Oshagh, M. R. Zapatero Osorio, N. C. Santos, N. Hara, N. J. Nunes, Olivier D. S. Demangeon, P. Di Marcantonio, P. Figueira, P. Molaro, R. Allart, R. G\\'enova Santos, R. Rebolo, S. C. C. Barros, S. Cristiani, S. G. Sousa, S. Udry, V. Adibekyan, V. D'Odorico, Y. Alibert","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-06T22:33:50Z","title":"Warm terrestrial planet with half the mass of Venus transiting a nearby star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.03323","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:e8671d1da2224955e01ca40cc4c650e8b992aeef106f639e29bfb76b8c91c2ac","target":"record","created_at":"2026-07-05T03:12:12Z","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":"b40690a014dc93b094c0f96c13963b13b74d3eed3c79a2d913b4eba1a42bb2af","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-06T22:33:50Z","title_canon_sha256":"f7e92685c990f3e5ab66208b86e8214f1822b8a97b5b36b3074618fe55523288"},"schema_version":"1.0","source":{"id":"2108.03323","kind":"arxiv","version":1}},"canonical_sha256":"0ffe9a82efcd860a75647bfb9acb4f6db7ff35b821cac02c04ffd383420b17cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ffe9a82efcd860a75647bfb9acb4f6db7ff35b821cac02c04ffd383420b17cc","first_computed_at":"2026-07-05T03:12:12.685942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:12:12.685942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NgH3riymohKAoyKkbZsNWZUzKk/5KXc0BkpCozBB52t9Dia2HySjhN1CrWkX2f2urZhbT83g3pLMTBl33ncvAA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:12:12.686451Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.03323","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8671d1da2224955e01ca40cc4c650e8b992aeef106f639e29bfb76b8c91c2ac","sha256:cdefb6c96ce1ffc42c2c3e65a396fbf55a99b8bfeeca7a27f69eb3b13b3e6f06"],"state_sha256":"51a7c22a932e43c0d643837c5bcb66405b0c4bc1ffe64903b7bc9bda315186de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"anQwXO+eI3LAHNA95uriB8xZ4237BMB4ZpnfnHG933DcFn8voq8sSpeb/VQjdiozwdk8CBC1N98kOaf06QFrBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T09:07:10.084942Z","bundle_sha256":"cae9c15bb6e6b2f07e471a41705ecb8e57b56b87bff6c60b2acd7f9f2f20263a"}}