{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NKCQRKUVZUOJZGNL6HIRUDZNLI","short_pith_number":"pith:NKCQRKUV","canonical_record":{"source":{"id":"1412.8687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-12-30T17:02:41Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"726dfcb7c083c4817bfa6da8bfcbed2a3b809ed5873226a51166d4ffdf980eeb","abstract_canon_sha256":"885f31a076b765f4d3686cb1553289417e14fbb71cd665c45c77196b6cd033e5"},"schema_version":"1.0"},"canonical_sha256":"6a8508aa95cd1c9c99abf1d11a0f2d5a17e70b85db942685063a6b83135a1ffa","source":{"kind":"arxiv","id":"1412.8687","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.8687","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"arxiv_version","alias_value":"1412.8687v1","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.8687","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"pith_short_12","alias_value":"NKCQRKUVZUOJ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NKCQRKUVZUOJZGNL","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NKCQRKUV","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NKCQRKUVZUOJZGNL6HIRUDZNLI","target":"record","payload":{"canonical_record":{"source":{"id":"1412.8687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-12-30T17:02:41Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"726dfcb7c083c4817bfa6da8bfcbed2a3b809ed5873226a51166d4ffdf980eeb","abstract_canon_sha256":"885f31a076b765f4d3686cb1553289417e14fbb71cd665c45c77196b6cd033e5"},"schema_version":"1.0"},"canonical_sha256":"6a8508aa95cd1c9c99abf1d11a0f2d5a17e70b85db942685063a6b83135a1ffa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:15.179543Z","signature_b64":"r6SQg9B5AhvlcLedkwhHLt21mCmVaZBbIlUU10WU2lYch8jgXoiaYhkLuaJYSs12db4oF9du3mZ9KvfnIaQ4AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a8508aa95cd1c9c99abf1d11a0f2d5a17e70b85db942685063a6b83135a1ffa","last_reissued_at":"2026-05-18T01:41:15.178885Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:15.178885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.8687","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":"2026-05-18T01:41:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tBLpRrFZvfsgro0ZXX11zn0Qqivp0C/9MyYSv5cDGUWfh54ldNCQkDS6NT332qagoekBmrREYripHwpED2AzBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:26:13.240468Z"},"content_sha256":"faaf79918729b5fbfa00aa27c1ea693239d52d466ad63ef59648d9ad60f35be6","schema_version":"1.0","event_id":"sha256:faaf79918729b5fbfa00aa27c1ea693239d52d466ad63ef59648d9ad60f35be6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NKCQRKUVZUOJZGNL6HIRUDZNLI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Mass of Kepler-93b and The Composition of Terrestrial Planets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Aldo F. M. Fiorenzano, Aldo S. Bonomo, Alessandro Sozzetti, Andrew Collier Cameron, Andrew Szentgyorgyi, Avet Harutyunyan, Christophe Lovis, Chris Watson, Courtney D. Dressing, Damien Segransan, David Charbonneau, David F. Phillips, David W. Latham, Didier Queloz, Dimitar Sasselov, Don Pollacco, Emilio Molinari, Fatemeh Motalebi, Francesco Pepe, Giampaolo Piotto, Giusi Micela, John Asher Johnson, Ken Rice, Lars A. Buchhave, Laura Affer, Luca Malavolta, Mercedes Lopez-Morales, Michel Mayor, Pedro Figueira, Raphaelle D. Haywood, Rosario Cosentino, Sara Gettel, Stephane Udry, Valerio Nascimbeni, Xavier Dumusque","submitted_at":"2014-12-30T17:02:41Z","abstract_excerpt":"Kepler-93b is a 1.478 +/- 0.019 Earth radius planet with a 4.7 day period around a bright (V=10.2), astroseismically-characterized host star with a mass of 0.911+/-0.033 solar masses and a radius of 0.919+/-0.011 solar radii. Based on 86 radial velocity observations obtained with the HARPS-N spectrograph on the Telescopio Nazionale Galileo and 32 archival Keck/HIRES observations, we present a precise mass estimate of 4.02+/-0.68 Earth masses. The corresponding high density of 6.88+/-1.18 g/cc is consistent with a rocky composition of primarily iron and magnesium silicate. We compare Kepler-93b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.8687","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":"2026-05-18T01:41:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HeEObx3JJ0XJkycdJXIGzyYKQoyzjQ7Jkmff7gmvX8B/u8CB0uT6GXMG8bbBG1XNnb8w37eZ38l1AvZGk7u7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:26:13.241113Z"},"content_sha256":"8bc53d55d54b73f3f2af2483036a4b5b543ccc72ecddfe7aa811ffdd2ac94cf6","schema_version":"1.0","event_id":"sha256:8bc53d55d54b73f3f2af2483036a4b5b543ccc72ecddfe7aa811ffdd2ac94cf6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NKCQRKUVZUOJZGNL6HIRUDZNLI/bundle.json","state_url":"https://pith.science/pith/NKCQRKUVZUOJZGNL6HIRUDZNLI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NKCQRKUVZUOJZGNL6HIRUDZNLI/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":"2026-06-05T22:26:13Z","links":{"resolver":"https://pith.science/pith/NKCQRKUVZUOJZGNL6HIRUDZNLI","bundle":"https://pith.science/pith/NKCQRKUVZUOJZGNL6HIRUDZNLI/bundle.json","state":"https://pith.science/pith/NKCQRKUVZUOJZGNL6HIRUDZNLI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NKCQRKUVZUOJZGNL6HIRUDZNLI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NKCQRKUVZUOJZGNL6HIRUDZNLI","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":"885f31a076b765f4d3686cb1553289417e14fbb71cd665c45c77196b6cd033e5","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-12-30T17:02:41Z","title_canon_sha256":"726dfcb7c083c4817bfa6da8bfcbed2a3b809ed5873226a51166d4ffdf980eeb"},"schema_version":"1.0","source":{"id":"1412.8687","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.8687","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"arxiv_version","alias_value":"1412.8687v1","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.8687","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"pith_short_12","alias_value":"NKCQRKUVZUOJ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NKCQRKUVZUOJZGNL","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NKCQRKUV","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:8bc53d55d54b73f3f2af2483036a4b5b543ccc72ecddfe7aa811ffdd2ac94cf6","target":"graph","created_at":"2026-05-18T01:41:15Z","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"},"paper":{"abstract_excerpt":"Kepler-93b is a 1.478 +/- 0.019 Earth radius planet with a 4.7 day period around a bright (V=10.2), astroseismically-characterized host star with a mass of 0.911+/-0.033 solar masses and a radius of 0.919+/-0.011 solar radii. Based on 86 radial velocity observations obtained with the HARPS-N spectrograph on the Telescopio Nazionale Galileo and 32 archival Keck/HIRES observations, we present a precise mass estimate of 4.02+/-0.68 Earth masses. The corresponding high density of 6.88+/-1.18 g/cc is consistent with a rocky composition of primarily iron and magnesium silicate. We compare Kepler-93b","authors_text":"Aldo F. M. Fiorenzano, Aldo S. Bonomo, Alessandro Sozzetti, Andrew Collier Cameron, Andrew Szentgyorgyi, Avet Harutyunyan, Christophe Lovis, Chris Watson, Courtney D. Dressing, Damien Segransan, David Charbonneau, David F. Phillips, David W. Latham, Didier Queloz, Dimitar Sasselov, Don Pollacco, Emilio Molinari, Fatemeh Motalebi, Francesco Pepe, Giampaolo Piotto, Giusi Micela, John Asher Johnson, Ken Rice, Lars A. Buchhave, Laura Affer, Luca Malavolta, Mercedes Lopez-Morales, Michel Mayor, Pedro Figueira, Raphaelle D. Haywood, Rosario Cosentino, Sara Gettel, Stephane Udry, Valerio Nascimbeni, Xavier Dumusque","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-12-30T17:02:41Z","title":"The Mass of Kepler-93b and The Composition of Terrestrial Planets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.8687","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:faaf79918729b5fbfa00aa27c1ea693239d52d466ad63ef59648d9ad60f35be6","target":"record","created_at":"2026-05-18T01:41:15Z","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":"885f31a076b765f4d3686cb1553289417e14fbb71cd665c45c77196b6cd033e5","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-12-30T17:02:41Z","title_canon_sha256":"726dfcb7c083c4817bfa6da8bfcbed2a3b809ed5873226a51166d4ffdf980eeb"},"schema_version":"1.0","source":{"id":"1412.8687","kind":"arxiv","version":1}},"canonical_sha256":"6a8508aa95cd1c9c99abf1d11a0f2d5a17e70b85db942685063a6b83135a1ffa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a8508aa95cd1c9c99abf1d11a0f2d5a17e70b85db942685063a6b83135a1ffa","first_computed_at":"2026-05-18T01:41:15.178885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:15.178885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r6SQg9B5AhvlcLedkwhHLt21mCmVaZBbIlUU10WU2lYch8jgXoiaYhkLuaJYSs12db4oF9du3mZ9KvfnIaQ4AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:15.179543Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.8687","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:faaf79918729b5fbfa00aa27c1ea693239d52d466ad63ef59648d9ad60f35be6","sha256:8bc53d55d54b73f3f2af2483036a4b5b543ccc72ecddfe7aa811ffdd2ac94cf6"],"state_sha256":"a93b92c62a1c331bfa9aed4e93ea1add06d49c72e7e8ddd0086ae5ddfe23202f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iJ1/LpsE3n4ePxhJi5y17aiu5F6f7L8fYiQFWSR5juABQrWJJa8b/vILFuRQSmzDhvGC0RdN1lzcotZDCOl8CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T22:26:13.245290Z","bundle_sha256":"46563981d9b5a78e210ccf818281a43414e0c5cf7909e737bf0476a899c78a37"}}