{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:DO7VBNPXCSWR2URFOP3CQVBJIE","short_pith_number":"pith:DO7VBNPX","canonical_record":{"source":{"id":"2006.13962","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-06-24T18:01:16Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"1998e2945847ca4a62dde5fb58c4a74b3bf10adbe10d5a27c0e98e00c3122f14","abstract_canon_sha256":"b2b07ddfa0a6ae170db657d1fdf0bd0ceaef826445ba3acd8512160992686815"},"schema_version":"1.0"},"canonical_sha256":"1bbf50b5f714ad1d522573f628542941329a74490aa02eed78cdd521f3388bac","source":{"kind":"arxiv","id":"2006.13962","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.13962","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"2006.13962v3","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.13962","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"DO7VBNPXCSWR","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"pith_short_16","alias_value":"DO7VBNPXCSWR2URF","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"pith_short_8","alias_value":"DO7VBNPX","created_at":"2026-07-05T01:24:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:DO7VBNPXCSWR2URFOP3CQVBJIE","target":"record","payload":{"canonical_record":{"source":{"id":"2006.13962","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-06-24T18:01:16Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"1998e2945847ca4a62dde5fb58c4a74b3bf10adbe10d5a27c0e98e00c3122f14","abstract_canon_sha256":"b2b07ddfa0a6ae170db657d1fdf0bd0ceaef826445ba3acd8512160992686815"},"schema_version":"1.0"},"canonical_sha256":"1bbf50b5f714ad1d522573f628542941329a74490aa02eed78cdd521f3388bac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:24:38.160437Z","signature_b64":"gqwL4TRSYtoyCncG8xblDt0kSjZWI3iTfV/1iSTkTKIlYZg2DJ+8h5eAiDllwgYDuN+jm4R1kECxpn6WSfl9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bbf50b5f714ad1d522573f628542941329a74490aa02eed78cdd521f3388bac","last_reissued_at":"2026-07-05T01:24:38.159982Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:24:38.159982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.13962","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rOQqgvmWmg8rrBAQnm5NOhij6phjIGh7ABvcd36sODTVf/F3fmfC6LPmb9S6uDcpKzVZGSFCMKuHuqUW+V6pBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:36:57.284403Z"},"content_sha256":"dc0b029286b76f53489190b6ac8b93bc07ebd86fc2bd050a8610d36d8d30b2fa","schema_version":"1.0","event_id":"sha256:dc0b029286b76f53489190b6ac8b93bc07ebd86fc2bd050a8610d36d8d30b2fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:DO7VBNPXCSWR2URFOP3CQVBJIE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical Packing in the Habitable Zone: The Case of Beta CVn","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Andrew W. Howard, Benjamin J. Fulton, Geoffrey W. Marcy, Howard Isaacson, Lauren M. Weiss, Lee J. Rosenthal, Margaret C. Turnbull, Stephen R. Kane","submitted_at":"2020-06-24T18:01:16Z","abstract_excerpt":"Uncovering the occurrence rate of terrestrial planets within the Habitable Zone (HZ) of their host stars has been a particular focus of exoplanetary science in recent years. The statistics of these occurrence rates have largely been derived from transiting planet discoveries, and have uncovered numerous HZ planets in compact systems around M dwarf host stars. Here we explore the width of the HZ as a function of spectral type, and the dynamical constraints on the number of stable orbits within the HZ for a given star. We show that, although the Hill radius for a given planetary mass increases w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.13962","kind":"arxiv","version":3},"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/2006.13962/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":"2026-07-05T01:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O4d02HT3u3fKovaIf0z2EBGFvt5aLfO4CNVz5ugiqTPSWVk96VD6NwKtV4N179wrjf3Ui9yOGW8FsyBCmd2GDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:36:57.285171Z"},"content_sha256":"e3ffccdb05701e0778c97568238c08c3d2c0b7e425f0fe2aa1af2ea43a42c6e1","schema_version":"1.0","event_id":"sha256:e3ffccdb05701e0778c97568238c08c3d2c0b7e425f0fe2aa1af2ea43a42c6e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DO7VBNPXCSWR2URFOP3CQVBJIE/bundle.json","state_url":"https://pith.science/pith/DO7VBNPXCSWR2URFOP3CQVBJIE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DO7VBNPXCSWR2URFOP3CQVBJIE/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":"2026-08-05T07:36:57Z","links":{"resolver":"https://pith.science/pith/DO7VBNPXCSWR2URFOP3CQVBJIE","bundle":"https://pith.science/pith/DO7VBNPXCSWR2URFOP3CQVBJIE/bundle.json","state":"https://pith.science/pith/DO7VBNPXCSWR2URFOP3CQVBJIE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DO7VBNPXCSWR2URFOP3CQVBJIE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:DO7VBNPXCSWR2URFOP3CQVBJIE","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":"b2b07ddfa0a6ae170db657d1fdf0bd0ceaef826445ba3acd8512160992686815","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-06-24T18:01:16Z","title_canon_sha256":"1998e2945847ca4a62dde5fb58c4a74b3bf10adbe10d5a27c0e98e00c3122f14"},"schema_version":"1.0","source":{"id":"2006.13962","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.13962","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"2006.13962v3","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.13962","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"DO7VBNPXCSWR","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"pith_short_16","alias_value":"DO7VBNPXCSWR2URF","created_at":"2026-07-05T01:24:38Z"},{"alias_kind":"pith_short_8","alias_value":"DO7VBNPX","created_at":"2026-07-05T01:24:38Z"}],"graph_snapshots":[{"event_id":"sha256:e3ffccdb05701e0778c97568238c08c3d2c0b7e425f0fe2aa1af2ea43a42c6e1","target":"graph","created_at":"2026-07-05T01:24:38Z","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/2006.13962/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Uncovering the occurrence rate of terrestrial planets within the Habitable Zone (HZ) of their host stars has been a particular focus of exoplanetary science in recent years. The statistics of these occurrence rates have largely been derived from transiting planet discoveries, and have uncovered numerous HZ planets in compact systems around M dwarf host stars. Here we explore the width of the HZ as a function of spectral type, and the dynamical constraints on the number of stable orbits within the HZ for a given star. We show that, although the Hill radius for a given planetary mass increases w","authors_text":"Andrew W. Howard, Benjamin J. Fulton, Geoffrey W. Marcy, Howard Isaacson, Lauren M. Weiss, Lee J. Rosenthal, Margaret C. Turnbull, Stephen R. Kane","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-06-24T18:01:16Z","title":"Dynamical Packing in the Habitable Zone: The Case of Beta CVn"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.13962","kind":"arxiv","version":3},"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:dc0b029286b76f53489190b6ac8b93bc07ebd86fc2bd050a8610d36d8d30b2fa","target":"record","created_at":"2026-07-05T01:24:38Z","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":"b2b07ddfa0a6ae170db657d1fdf0bd0ceaef826445ba3acd8512160992686815","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-06-24T18:01:16Z","title_canon_sha256":"1998e2945847ca4a62dde5fb58c4a74b3bf10adbe10d5a27c0e98e00c3122f14"},"schema_version":"1.0","source":{"id":"2006.13962","kind":"arxiv","version":3}},"canonical_sha256":"1bbf50b5f714ad1d522573f628542941329a74490aa02eed78cdd521f3388bac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bbf50b5f714ad1d522573f628542941329a74490aa02eed78cdd521f3388bac","first_computed_at":"2026-07-05T01:24:38.159982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:24:38.159982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gqwL4TRSYtoyCncG8xblDt0kSjZWI3iTfV/1iSTkTKIlYZg2DJ+8h5eAiDllwgYDuN+jm4R1kECxpn6WSfl9Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:24:38.160437Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.13962","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc0b029286b76f53489190b6ac8b93bc07ebd86fc2bd050a8610d36d8d30b2fa","sha256:e3ffccdb05701e0778c97568238c08c3d2c0b7e425f0fe2aa1af2ea43a42c6e1"],"state_sha256":"33c872f9870aa060936556429e33b54b0b339c2d06d569d3af4a0378cdc7918c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q64whGZdbe33HUhDyg+OTeDavSawbBE+TgL7ZWSvDDcbcpTS5pZBfvaQ5MSnl29TiYTp3qS3M2cOowAi7oTrAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:36:57.291016Z","bundle_sha256":"881c6aebfb63d3bc91305fa6f8ddcb8a906b237eb78c15eec6825ab40d589eae"}}