{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QKNGZI3V6JI7OCUPYAHAZTF3BU","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":"3361a53272237a70a33412c8c016482acaf162acd0130b04315780cb60ecc76c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-22T01:51:37Z","title_canon_sha256":"e9aef1fd491b7c656e47fa89a98e4dfc188daca701b1c2074958451b3b4ccfa5"},"schema_version":"1.0","source":{"id":"1103.4186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4186","created_at":"2026-05-18T03:31:45Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4186v1","created_at":"2026-05-18T03:31:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4186","created_at":"2026-05-18T03:31:45Z"},{"alias_kind":"pith_short_12","alias_value":"QKNGZI3V6JI7","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QKNGZI3V6JI7OCUP","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QKNGZI3V","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:8f8ed632836bfbfbe8e26d9dedcd2f4114b39f2f0789b23e05fbe890ef9e0217","target":"graph","created_at":"2026-05-18T03:31:45Z","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":"Determining the occurrence rate of terrestrial-mass planets (m_p < 10M_earth) is a critically important step on the path towards determining the frequency of Earth-like planets (eta-Earth), and hence the uniqueness of our Solar system. Current radial-velocity surveys, achieving precisions of 1 m/s, are able to detect terrestrial-mass planets and provide meaningful estimates of their occurrence rate. We present an analysis of 67 solar-type stars from the Anglo-Australian Planet Search specifically targeted for very high-precision observations. When corrected for incompleteness, we find that the","authors_text":"B.D. Carter, C.G. Tinney, H.R.A. Jones, J. Bailey, J. Horner, Robert A. Wittenmyer, R.P. Butler, S.J. O'Toole","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-22T01:51:37Z","title":"The Frequency of Low-Mass Exoplanets. III. Toward eta-Earth at Short Periods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4186","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:d9f5e52cdc3b6e6886e6a31b3c185bd2696801701ffacb57188e878dafa9f305","target":"record","created_at":"2026-05-18T03:31:45Z","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":"3361a53272237a70a33412c8c016482acaf162acd0130b04315780cb60ecc76c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-22T01:51:37Z","title_canon_sha256":"e9aef1fd491b7c656e47fa89a98e4dfc188daca701b1c2074958451b3b4ccfa5"},"schema_version":"1.0","source":{"id":"1103.4186","kind":"arxiv","version":1}},"canonical_sha256":"829a6ca375f251f70a8fc00e0cccbb0d332809741b44be02c8f1d69fa70ba71f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"829a6ca375f251f70a8fc00e0cccbb0d332809741b44be02c8f1d69fa70ba71f","first_computed_at":"2026-05-18T03:31:45.239819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:31:45.239819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zh2jEp5RW9w3ltKYaTP0O2pWB+w1i7bQSfms/+imj2zvBuW34TNXhIRjXsvW6zCQ2HCWye7ztEEjl4frwP6KCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:31:45.240611Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.4186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9f5e52cdc3b6e6886e6a31b3c185bd2696801701ffacb57188e878dafa9f305","sha256:8f8ed632836bfbfbe8e26d9dedcd2f4114b39f2f0789b23e05fbe890ef9e0217"],"state_sha256":"b4605a0099634d9cc440aebae71f363dcb3af82ac86e7367f7be53700109fa3d"}