{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BD4I6N2A7DIBVLTCLMIRQFSNW7","short_pith_number":"pith:BD4I6N2A","canonical_record":{"source":{"id":"2009.03071","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-09-07T12:52:16Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1aa7795a57eec71e4b642592d4394eb347da0f33c56549b45e02865619189c2c","abstract_canon_sha256":"43fe70e1316767263cce32dbca1c86b5ba679c208aa00145c359021b3ef72e5d"},"schema_version":"1.0"},"canonical_sha256":"08f88f3740f8d01aae625b1118164db7feb53245985c40a08871c267e0827099","source":{"kind":"arxiv","id":"2009.03071","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.03071","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"arxiv_version","alias_value":"2009.03071v2","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.03071","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"pith_short_12","alias_value":"BD4I6N2A7DIB","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"pith_short_16","alias_value":"BD4I6N2A7DIBVLTC","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"pith_short_8","alias_value":"BD4I6N2A","created_at":"2026-07-05T02:07:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BD4I6N2A7DIBVLTCLMIRQFSNW7","target":"record","payload":{"canonical_record":{"source":{"id":"2009.03071","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-09-07T12:52:16Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1aa7795a57eec71e4b642592d4394eb347da0f33c56549b45e02865619189c2c","abstract_canon_sha256":"43fe70e1316767263cce32dbca1c86b5ba679c208aa00145c359021b3ef72e5d"},"schema_version":"1.0"},"canonical_sha256":"08f88f3740f8d01aae625b1118164db7feb53245985c40a08871c267e0827099","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:07:15.575653Z","signature_b64":"4sYPVdcMtjma66HiiKILL8a62XYzIH4pkivS5heAmdQXQSh6NcO1RANUrRQ/BStiR+7kUF2VOBg8MPzOgkyLDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08f88f3740f8d01aae625b1118164db7feb53245985c40a08871c267e0827099","last_reissued_at":"2026-07-05T02:07:15.575020Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:07:15.575020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.03071","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":"2026-07-05T02:07:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Si6EgXiKU+gNPQHAxUABtzCYDLgwW/Jj943EYPvrjPLTTXOQ0gqL4Q9uNzdnwrh6WZvAcKy3sLl9xPiwrtGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:55:01.175696Z"},"content_sha256":"e7db700eb2f95474f64ebffa648684890b6870fc03303a2c5a2ea0a88b92e19d","schema_version":"1.0","event_id":"sha256:e7db700eb2f95474f64ebffa648684890b6870fc03303a2c5a2ea0a88b92e19d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BD4I6N2A7DIBVLTCLMIRQFSNW7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The TESS-Keck Survey II: An Ultra-Short Period Rocky Planet and its Siblings Transiting the Galactic Thick-Disk Star TOI-561","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Aida Behmard, Akihiko Fukui, Alexander Chaushev, Andrew W. Howard, Andrew W. Mann, Arpita Roy, Ashley Chontos, Benjamin Fulton, Carl Ziegler, C\\'esar Brice\\~no, Charles A. Beichman, Corey Beard, Courtney Dressing, Daniel Huber, David R. Ciardi, Edwarf M. Bryant, Elisabeth C. Matthews, Erica J. Gonzales, Eric L. N. Jensen, Eric Palle, Erik A. Petigura, Fei Dai, Felipe Murgas, George Ricker, Hannu Parviainen, Howard Isaacson, Ian J. M> Crossfield, Jack Lubin, Jack S. Acton, Jessie L. Christiansen, John M. Brewer, Jon Jenkins, Joseph D. Twicken, Joseph M. Akana Murphy, Joshua E. Schlieder, Joshua N. Winn, Judan van Zandt, Karen A. Collins, Keivan G. Stassun, Kevin I. Collins, Lauren M. Weiss, Lee J. Rosenthal, Mason G. MacDougall, Michael B. Lund, Michelle L. Hill, Molly R. Kosiarek, Natalie M. Batalha, Nicholas Law, Norio Narita, Paul A. Dalba, Paul Robertson, Phil Evans, Philipp Eigm\\\"uller, Rachel A. Matson, Richard P. Schwarz, Ryan A. Rubenzahl, Sam Gill, Sara Seager, Stephen R. Kane, Steve B. Howell, Steven Giacalone, Teo Mocnik, Thiam-Guan Tan, Zachary R. Claytor","submitted_at":"2020-09-07T12:52:16Z","abstract_excerpt":"We report the discovery of TOI-561, a multi-planet system in the galactic thick disk that contains a rocky, ultra-short period planet (USP). This bright ($V=10.2$) star hosts three small transiting planets identified in photometry from the NASA TESS mission: TOI-561 b (TOI-561.02, P=0.44 days, $R_b = 1.45\\pm0.11\\,R_\\oplus$), c (TOI-561.01, P=10.8 days, $R_c=2.90\\pm0.13\\,R_\\oplus$), and d (TOI-561.03, P=16.3 days, $R_d=2.32\\pm0.16\\,R_\\oplus$). The star is chemically ([Fe/H]$=-0.41\\pm0.05$, [$\\alpha$/H]$=+0.23\\pm0.05$) and kinematically consistent with the galactic thick disk population, making "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.03071","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.03071/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":"2026-07-05T02:07:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gt0XO1Qo/tf0MpwrQbcE6QUKhhfgBZXgG8zkrXKv6P7eB9YFYIecRvEYWM5d6N3IDwU/HxHsi+05kI7bb76cAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:55:01.176119Z"},"content_sha256":"0fc2725598a67df0352519d70bc53df9800638eeb030908d728697f2911b124f","schema_version":"1.0","event_id":"sha256:0fc2725598a67df0352519d70bc53df9800638eeb030908d728697f2911b124f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BD4I6N2A7DIBVLTCLMIRQFSNW7/bundle.json","state_url":"https://pith.science/pith/BD4I6N2A7DIBVLTCLMIRQFSNW7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BD4I6N2A7DIBVLTCLMIRQFSNW7/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":"2026-07-05T15:55:01Z","links":{"resolver":"https://pith.science/pith/BD4I6N2A7DIBVLTCLMIRQFSNW7","bundle":"https://pith.science/pith/BD4I6N2A7DIBVLTCLMIRQFSNW7/bundle.json","state":"https://pith.science/pith/BD4I6N2A7DIBVLTCLMIRQFSNW7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BD4I6N2A7DIBVLTCLMIRQFSNW7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BD4I6N2A7DIBVLTCLMIRQFSNW7","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":"43fe70e1316767263cce32dbca1c86b5ba679c208aa00145c359021b3ef72e5d","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-09-07T12:52:16Z","title_canon_sha256":"1aa7795a57eec71e4b642592d4394eb347da0f33c56549b45e02865619189c2c"},"schema_version":"1.0","source":{"id":"2009.03071","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.03071","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"arxiv_version","alias_value":"2009.03071v2","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.03071","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"pith_short_12","alias_value":"BD4I6N2A7DIB","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"pith_short_16","alias_value":"BD4I6N2A7DIBVLTC","created_at":"2026-07-05T02:07:15Z"},{"alias_kind":"pith_short_8","alias_value":"BD4I6N2A","created_at":"2026-07-05T02:07:15Z"}],"graph_snapshots":[{"event_id":"sha256:0fc2725598a67df0352519d70bc53df9800638eeb030908d728697f2911b124f","target":"graph","created_at":"2026-07-05T02:07:15Z","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/2009.03071/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the discovery of TOI-561, a multi-planet system in the galactic thick disk that contains a rocky, ultra-short period planet (USP). This bright ($V=10.2$) star hosts three small transiting planets identified in photometry from the NASA TESS mission: TOI-561 b (TOI-561.02, P=0.44 days, $R_b = 1.45\\pm0.11\\,R_\\oplus$), c (TOI-561.01, P=10.8 days, $R_c=2.90\\pm0.13\\,R_\\oplus$), and d (TOI-561.03, P=16.3 days, $R_d=2.32\\pm0.16\\,R_\\oplus$). The star is chemically ([Fe/H]$=-0.41\\pm0.05$, [$\\alpha$/H]$=+0.23\\pm0.05$) and kinematically consistent with the galactic thick disk population, making ","authors_text":"Aida Behmard, Akihiko Fukui, Alexander Chaushev, Andrew W. Howard, Andrew W. Mann, Arpita Roy, Ashley Chontos, Benjamin Fulton, Carl Ziegler, C\\'esar Brice\\~no, Charles A. Beichman, Corey Beard, Courtney Dressing, Daniel Huber, David R. Ciardi, Edwarf M. Bryant, Elisabeth C. Matthews, Erica J. Gonzales, Eric L. N. Jensen, Eric Palle, Erik A. Petigura, Fei Dai, Felipe Murgas, George Ricker, Hannu Parviainen, Howard Isaacson, Ian J. M> Crossfield, Jack Lubin, Jack S. Acton, Jessie L. Christiansen, John M. Brewer, Jon Jenkins, Joseph D. Twicken, Joseph M. Akana Murphy, Joshua E. Schlieder, Joshua N. Winn, Judan van Zandt, Karen A. Collins, Keivan G. Stassun, Kevin I. Collins, Lauren M. Weiss, Lee J. Rosenthal, Mason G. MacDougall, Michael B. Lund, Michelle L. Hill, Molly R. Kosiarek, Natalie M. Batalha, Nicholas Law, Norio Narita, Paul A. Dalba, Paul Robertson, Phil Evans, Philipp Eigm\\\"uller, Rachel A. Matson, Richard P. Schwarz, Ryan A. Rubenzahl, Sam Gill, Sara Seager, Stephen R. Kane, Steve B. Howell, Steven Giacalone, Teo Mocnik, Thiam-Guan Tan, Zachary R. Claytor","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-09-07T12:52:16Z","title":"The TESS-Keck Survey II: An Ultra-Short Period Rocky Planet and its Siblings Transiting the Galactic Thick-Disk Star TOI-561"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.03071","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:e7db700eb2f95474f64ebffa648684890b6870fc03303a2c5a2ea0a88b92e19d","target":"record","created_at":"2026-07-05T02:07:15Z","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":"43fe70e1316767263cce32dbca1c86b5ba679c208aa00145c359021b3ef72e5d","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-09-07T12:52:16Z","title_canon_sha256":"1aa7795a57eec71e4b642592d4394eb347da0f33c56549b45e02865619189c2c"},"schema_version":"1.0","source":{"id":"2009.03071","kind":"arxiv","version":2}},"canonical_sha256":"08f88f3740f8d01aae625b1118164db7feb53245985c40a08871c267e0827099","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08f88f3740f8d01aae625b1118164db7feb53245985c40a08871c267e0827099","first_computed_at":"2026-07-05T02:07:15.575020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:07:15.575020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4sYPVdcMtjma66HiiKILL8a62XYzIH4pkivS5heAmdQXQSh6NcO1RANUrRQ/BStiR+7kUF2VOBg8MPzOgkyLDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:07:15.575653Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.03071","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7db700eb2f95474f64ebffa648684890b6870fc03303a2c5a2ea0a88b92e19d","sha256:0fc2725598a67df0352519d70bc53df9800638eeb030908d728697f2911b124f"],"state_sha256":"41889d7011a07fa1e970d7e9691a7e57e96aecf825f6b0de045b6ca92a10f427"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aeANAeYISRMglmYlUJ7qUvH8xbos4tu/u9pzDgnfFTaIdZvj/yZIRMRMdteZW7Zvnqc9w6+pp685XwuJxkhUDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:55:01.179070Z","bundle_sha256":"4d2be62f4318bd800b0d101349b84726d008799621dcea40264452d6c8ae45d6"}}