{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:W5NXPU2BSA2HDDVCJAM3AUQMFX","short_pith_number":"pith:W5NXPU2B","canonical_record":{"source":{"id":"1805.02721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-05-07T19:53:23Z","cross_cats_sorted":[],"title_canon_sha256":"10c8b65dde273299c984e19cf24d7ba3b295c885127a020a3c830da03a4c6175","abstract_canon_sha256":"07ae1694e1e0ac9715262fd754922c3a46007a31a2c00f857f907298ef40e709"},"schema_version":"1.0"},"canonical_sha256":"b75b77d3419034718ea24819b0520c2dcef0f818ad71bf9f1c2d3db47fb4a6e7","source":{"kind":"arxiv","id":"1805.02721","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02721","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02721v1","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02721","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"pith_short_12","alias_value":"W5NXPU2BSA2H","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"W5NXPU2BSA2HDDVC","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"W5NXPU2B","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:W5NXPU2BSA2HDDVCJAM3AUQMFX","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-05-07T19:53:23Z","cross_cats_sorted":[],"title_canon_sha256":"10c8b65dde273299c984e19cf24d7ba3b295c885127a020a3c830da03a4c6175","abstract_canon_sha256":"07ae1694e1e0ac9715262fd754922c3a46007a31a2c00f857f907298ef40e709"},"schema_version":"1.0"},"canonical_sha256":"b75b77d3419034718ea24819b0520c2dcef0f818ad71bf9f1c2d3db47fb4a6e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:35.922656Z","signature_b64":"7HQeS1GbXrghG1z+Dd+qLLaTrTIEEzLLAC/jvYNjIjT2qeJzfi7KuuivPvlbY7KF7BefycwSQjYT3Ykr05koAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b75b77d3419034718ea24819b0520c2dcef0f818ad71bf9f1c2d3db47fb4a6e7","last_reissued_at":"2026-05-18T00:16:35.922005Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:35.922005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02721","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":"2026-05-18T00:16:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u/Hlw9wRDa0TLFafVxteW93qjsJbAyTZFlq44rjeAgHHOHNiQKyq3TXDOXKSxJXPyxXUVEgmaAeVlXdejCXyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:39:18.830935Z"},"content_sha256":"71d6713af0479a69a4d40c4dcdab451cd279ec1dd473707f2a4256ab95ba4618","schema_version":"1.0","event_id":"sha256:71d6713af0479a69a4d40c4dcdab451cd279ec1dd473707f2a4256ab95ba4618"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:W5NXPU2BSA2HDDVCJAM3AUQMFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant planets around FGK stars form probably through core accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Gang Zhao, Liang Wang, Wei Wang, Xiang Li, Yuqin Chen","submitted_at":"2018-05-07T19:53:23Z","abstract_excerpt":"We present a statistical study of the planet-metallicity (P-M) correlation, by comparing the 744 stars with candidate planets (SWPs) in the Kepler field which have been observed with LAMOST, and a sample of distance-independent, fake \"twin\" stars in the Kepler field with no planet reported (CKSNPs) yet. With the well-defined and carefully-selected large samples, we find for the first time a turn-off P-M correlation of Delta [Fe/H]_(SWPs-SNPs), which in average increases from ~0.00+-0.03 dex to 0.06+-0.03 dex, and to 0.12+-0.03 for stars with Earth, Neptune, Jupiter-sized planets successively, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02721","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":"2026-05-18T00:16:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dbSCehzJUsP3RQfxEd97PRitJ0YzYl9HFFZhzPTDQIxjVrMqpWR7pGKDhmlb9SZxXVJA9ImsHPyaBWQpfjJXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:39:18.831283Z"},"content_sha256":"9fd30e2571eeaad70bfca506bfefa8cda853b19a6525d9b484a1a32c1af1b43c","schema_version":"1.0","event_id":"sha256:9fd30e2571eeaad70bfca506bfefa8cda853b19a6525d9b484a1a32c1af1b43c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W5NXPU2BSA2HDDVCJAM3AUQMFX/bundle.json","state_url":"https://pith.science/pith/W5NXPU2BSA2HDDVCJAM3AUQMFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W5NXPU2BSA2HDDVCJAM3AUQMFX/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":"2026-05-28T09:39:18Z","links":{"resolver":"https://pith.science/pith/W5NXPU2BSA2HDDVCJAM3AUQMFX","bundle":"https://pith.science/pith/W5NXPU2BSA2HDDVCJAM3AUQMFX/bundle.json","state":"https://pith.science/pith/W5NXPU2BSA2HDDVCJAM3AUQMFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W5NXPU2BSA2HDDVCJAM3AUQMFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:W5NXPU2BSA2HDDVCJAM3AUQMFX","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":"07ae1694e1e0ac9715262fd754922c3a46007a31a2c00f857f907298ef40e709","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-05-07T19:53:23Z","title_canon_sha256":"10c8b65dde273299c984e19cf24d7ba3b295c885127a020a3c830da03a4c6175"},"schema_version":"1.0","source":{"id":"1805.02721","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02721","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02721v1","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02721","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"pith_short_12","alias_value":"W5NXPU2BSA2H","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"W5NXPU2BSA2HDDVC","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"W5NXPU2B","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:9fd30e2571eeaad70bfca506bfefa8cda853b19a6525d9b484a1a32c1af1b43c","target":"graph","created_at":"2026-05-18T00:16:35Z","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 present a statistical study of the planet-metallicity (P-M) correlation, by comparing the 744 stars with candidate planets (SWPs) in the Kepler field which have been observed with LAMOST, and a sample of distance-independent, fake \"twin\" stars in the Kepler field with no planet reported (CKSNPs) yet. With the well-defined and carefully-selected large samples, we find for the first time a turn-off P-M correlation of Delta [Fe/H]_(SWPs-SNPs), which in average increases from ~0.00+-0.03 dex to 0.06+-0.03 dex, and to 0.12+-0.03 for stars with Earth, Neptune, Jupiter-sized planets successively, ","authors_text":"Gang Zhao, Liang Wang, Wei Wang, Xiang Li, Yuqin Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-05-07T19:53:23Z","title":"Giant planets around FGK stars form probably through core accretion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02721","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":"sha256:71d6713af0479a69a4d40c4dcdab451cd279ec1dd473707f2a4256ab95ba4618","target":"record","created_at":"2026-05-18T00:16:35Z","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":"07ae1694e1e0ac9715262fd754922c3a46007a31a2c00f857f907298ef40e709","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-05-07T19:53:23Z","title_canon_sha256":"10c8b65dde273299c984e19cf24d7ba3b295c885127a020a3c830da03a4c6175"},"schema_version":"1.0","source":{"id":"1805.02721","kind":"arxiv","version":1}},"canonical_sha256":"b75b77d3419034718ea24819b0520c2dcef0f818ad71bf9f1c2d3db47fb4a6e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b75b77d3419034718ea24819b0520c2dcef0f818ad71bf9f1c2d3db47fb4a6e7","first_computed_at":"2026-05-18T00:16:35.922005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:35.922005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7HQeS1GbXrghG1z+Dd+qLLaTrTIEEzLLAC/jvYNjIjT2qeJzfi7KuuivPvlbY7KF7BefycwSQjYT3Ykr05koAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:35.922656Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02721","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71d6713af0479a69a4d40c4dcdab451cd279ec1dd473707f2a4256ab95ba4618","sha256:9fd30e2571eeaad70bfca506bfefa8cda853b19a6525d9b484a1a32c1af1b43c"],"state_sha256":"2cc12e9855759ed5a3f417747c820a7817020f9c789ddcd2c0d8c5772f478048"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kmu8NyZytBltPCizSaX4sJdeqYN2kmZgQR4dAyHWDqf2xt67zNanfpqmNP5NaSQzDJzFRHyT1xNQtAgt7P44CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:39:18.833175Z","bundle_sha256":"8915190568b6b1fd97ee51eaa3d7b132a7f3f6d03eace37f9c06eda432150887"}}