{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:K2XWTBSX7QBLJFWVAOM7PQX2GI","short_pith_number":"pith:K2XWTBSX","canonical_record":{"source":{"id":"1212.4853","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-19T21:09:24Z","cross_cats_sorted":[],"title_canon_sha256":"d75bf5e24ecd1ec0d94040f285c0cce3fe665b2a59ea9be34076d675deabf38b","abstract_canon_sha256":"9d33a89e7edb0cee58ac6fa782780d24ee49c5c9ac9beae6aa5d4a4f4daa950d"},"schema_version":"1.0"},"canonical_sha256":"56af698657fc02b496d50399f7c2fa321c3b03f0a09f72e65257a14c1f5a6f3a","source":{"kind":"arxiv","id":"1212.4853","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4853","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4853v2","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4853","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"K2XWTBSX7QBL","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"K2XWTBSX7QBLJFWV","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"K2XWTBSX","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:K2XWTBSX7QBLJFWVAOM7PQX2GI","target":"record","payload":{"canonical_record":{"source":{"id":"1212.4853","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-19T21:09:24Z","cross_cats_sorted":[],"title_canon_sha256":"d75bf5e24ecd1ec0d94040f285c0cce3fe665b2a59ea9be34076d675deabf38b","abstract_canon_sha256":"9d33a89e7edb0cee58ac6fa782780d24ee49c5c9ac9beae6aa5d4a4f4daa950d"},"schema_version":"1.0"},"canonical_sha256":"56af698657fc02b496d50399f7c2fa321c3b03f0a09f72e65257a14c1f5a6f3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:04.338386Z","signature_b64":"ZPEjh/6Y6Azl3KoI0UPHnf+Suy82lCewgfp0n5etqrorDBqoW3UPcRZEg2KFSGNVtFuTXWh23efL4cRUwUguBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56af698657fc02b496d50399f7c2fa321c3b03f0a09f72e65257a14c1f5a6f3a","last_reissued_at":"2026-05-18T03:08:04.337752Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:04.337752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.4853","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":"2026-05-18T03:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oe3NqlSBhfOr8pVLu5ppwoArXGH5woNxwJwsp294sSKy1ZxZA9U5nkAB2LPaNeBw11N5tZxC6GOTvnMNDEloDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:36:18.288491Z"},"content_sha256":"fbe15088d789821360e31daa0717b13a8fbd2b0d6aca1a19e30df872ca6395fa","schema_version":"1.0","event_id":"sha256:fbe15088d789821360e31daa0717b13a8fbd2b0d6aca1a19e30df872ca6395fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:K2XWTBSX7QBLJFWVAOM7PQX2GI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast Rise of \"Neptune-Size\" Planets ($4-8 R_{\\rm Earth}$) from $P\\sim10$ to $\\sim250$ days -- Statistics of Kepler Planet Candidates Up to $\\sim 0.75 {\\rm AU}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Subo Dong (IAS), Zhaohuan Zhu (Princeton)","submitted_at":"2012-12-19T21:09:24Z","abstract_excerpt":"We infer the period ($P$) and size ($R_p$) distribution of Kepler transiting planet candidates with $R_p\\ge 1 R_{\\rm Earth}$ and $P < 250$ days hosted by solar-type stars. The planet detection efficiency is computed by using measured noise and the observed timespans of the light curves for $\\sim 120,000$ Kepler target stars. We focus on deriving the shape of planet period and radius distribution functions. We find that for orbital period $P>10$ days, the planet frequency d$N_p$/d$\\log$P for \"Neptune-size\" planets ($R_p = 4-8 R_{\\rm Earth}$) increases with period as $\\propto P^{0.7\\pm0.1}$. In "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4853","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":""},"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":"2026-05-18T03:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jpR7NhBG8FVUE9mUSv0iOUs0pWUJ34wWuKinQh9wUd/rDB+yF1K5xMHd05qQPICCTCW5E9aCu0FsqtMlXCC3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:36:18.288844Z"},"content_sha256":"422b4f6d6ed9eb6a583c446d711829ace9dd54f7f7aa6435d16590c33201e851","schema_version":"1.0","event_id":"sha256:422b4f6d6ed9eb6a583c446d711829ace9dd54f7f7aa6435d16590c33201e851"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K2XWTBSX7QBLJFWVAOM7PQX2GI/bundle.json","state_url":"https://pith.science/pith/K2XWTBSX7QBLJFWVAOM7PQX2GI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K2XWTBSX7QBLJFWVAOM7PQX2GI/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":"2026-06-01T09:36:18Z","links":{"resolver":"https://pith.science/pith/K2XWTBSX7QBLJFWVAOM7PQX2GI","bundle":"https://pith.science/pith/K2XWTBSX7QBLJFWVAOM7PQX2GI/bundle.json","state":"https://pith.science/pith/K2XWTBSX7QBLJFWVAOM7PQX2GI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K2XWTBSX7QBLJFWVAOM7PQX2GI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:K2XWTBSX7QBLJFWVAOM7PQX2GI","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":"9d33a89e7edb0cee58ac6fa782780d24ee49c5c9ac9beae6aa5d4a4f4daa950d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-19T21:09:24Z","title_canon_sha256":"d75bf5e24ecd1ec0d94040f285c0cce3fe665b2a59ea9be34076d675deabf38b"},"schema_version":"1.0","source":{"id":"1212.4853","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4853","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4853v2","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4853","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"K2XWTBSX7QBL","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"K2XWTBSX7QBLJFWV","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"K2XWTBSX","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:422b4f6d6ed9eb6a583c446d711829ace9dd54f7f7aa6435d16590c33201e851","target":"graph","created_at":"2026-05-18T03:08:04Z","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":"We infer the period ($P$) and size ($R_p$) distribution of Kepler transiting planet candidates with $R_p\\ge 1 R_{\\rm Earth}$ and $P < 250$ days hosted by solar-type stars. The planet detection efficiency is computed by using measured noise and the observed timespans of the light curves for $\\sim 120,000$ Kepler target stars. We focus on deriving the shape of planet period and radius distribution functions. We find that for orbital period $P>10$ days, the planet frequency d$N_p$/d$\\log$P for \"Neptune-size\" planets ($R_p = 4-8 R_{\\rm Earth}$) increases with period as $\\propto P^{0.7\\pm0.1}$. In ","authors_text":"Subo Dong (IAS), Zhaohuan Zhu (Princeton)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-19T21:09:24Z","title":"Fast Rise of \"Neptune-Size\" Planets ($4-8 R_{\\rm Earth}$) from $P\\sim10$ to $\\sim250$ days -- Statistics of Kepler Planet Candidates Up to $\\sim 0.75 {\\rm AU}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4853","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:fbe15088d789821360e31daa0717b13a8fbd2b0d6aca1a19e30df872ca6395fa","target":"record","created_at":"2026-05-18T03:08:04Z","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":"9d33a89e7edb0cee58ac6fa782780d24ee49c5c9ac9beae6aa5d4a4f4daa950d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-19T21:09:24Z","title_canon_sha256":"d75bf5e24ecd1ec0d94040f285c0cce3fe665b2a59ea9be34076d675deabf38b"},"schema_version":"1.0","source":{"id":"1212.4853","kind":"arxiv","version":2}},"canonical_sha256":"56af698657fc02b496d50399f7c2fa321c3b03f0a09f72e65257a14c1f5a6f3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56af698657fc02b496d50399f7c2fa321c3b03f0a09f72e65257a14c1f5a6f3a","first_computed_at":"2026-05-18T03:08:04.337752Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:08:04.337752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZPEjh/6Y6Azl3KoI0UPHnf+Suy82lCewgfp0n5etqrorDBqoW3UPcRZEg2KFSGNVtFuTXWh23efL4cRUwUguBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:08:04.338386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4853","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fbe15088d789821360e31daa0717b13a8fbd2b0d6aca1a19e30df872ca6395fa","sha256:422b4f6d6ed9eb6a583c446d711829ace9dd54f7f7aa6435d16590c33201e851"],"state_sha256":"17aa644b9aa7b6540adcfa02ca4343bc3c6b5c77a6bb5faf7ff4102f0d0f319d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HA6RUM9cYU7eeGzMu8E1fu23DYNJz00sEgZHW0q6mvdmRsN5WG29kfk4NaouDJJXbN0TGSREhmj3ICrjQaXgDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T09:36:18.290845Z","bundle_sha256":"8cac68062d4bbf1d384284ea93d5aa38581484b3304a4816a9423ec6f14a30c6"}}