{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7VUKJ7GGZPKVODU55J643ZLS7G","short_pith_number":"pith:7VUKJ7GG","canonical_record":{"source":{"id":"2407.13821","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-07-18T18:00:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"d75899ceb3da3e3e786decbd351040d3c74326144f949e5f3ee1a591a2c9edf9","abstract_canon_sha256":"9db5e306897196898b8eb8767b3217f6d780c23ac3f9105ef502c608f3947be6"},"schema_version":"1.0"},"canonical_sha256":"fd68a4fcc6cbd5570e9dea7dcde572f9a9a10ef6b77a5ad11beefcd20fc6e0b4","source":{"kind":"arxiv","id":"2407.13821","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.13821","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"arxiv_version","alias_value":"2407.13821v1","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.13821","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"pith_short_12","alias_value":"7VUKJ7GGZPKV","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"pith_short_16","alias_value":"7VUKJ7GGZPKVODU5","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"pith_short_8","alias_value":"7VUKJ7GG","created_at":"2026-07-05T08:45:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7VUKJ7GGZPKVODU55J643ZLS7G","target":"record","payload":{"canonical_record":{"source":{"id":"2407.13821","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-07-18T18:00:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"d75899ceb3da3e3e786decbd351040d3c74326144f949e5f3ee1a591a2c9edf9","abstract_canon_sha256":"9db5e306897196898b8eb8767b3217f6d780c23ac3f9105ef502c608f3947be6"},"schema_version":"1.0"},"canonical_sha256":"fd68a4fcc6cbd5570e9dea7dcde572f9a9a10ef6b77a5ad11beefcd20fc6e0b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:45:53.782590Z","signature_b64":"9kwOVlRmSOqXABp3+pifbmcsWd0/h2eJWgj6O6IS0bguabD4sCSyGvwSPHTjCegTgHE76AYvXCXLiYvRlxIpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd68a4fcc6cbd5570e9dea7dcde572f9a9a10ef6b77a5ad11beefcd20fc6e0b4","last_reissued_at":"2026-07-05T08:45:53.782171Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:45:53.782171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.13821","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":"2026-07-05T08:45:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hGFzH+9Upu4hdsjePc++UNlt4KiMxXMyFeDtP3WvpB6Pxt4DdA+uCQ6kN2i7m3Iy94sxgXw7pkNGKpctOu70Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:15:48.297128Z"},"content_sha256":"a304ba471bb49c5c678e7564ee68c67f21c1723a0e686425498eb18423026d49","schema_version":"1.0","event_id":"sha256:a304ba471bb49c5c678e7564ee68c67f21c1723a0e686425498eb18423026d49"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7VUKJ7GGZPKVODU55J643ZLS7G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The First Evidence of a Host Star Metallicity Cut-off In The Formation of Super-Earth Planets","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Eve J. Lee, Galen J. Bergsten, Jessie L. Christiansen, Ji Wang, Jon Zink, Kevin Hardegree-Ullman, Kiersten M. Boley, Philip F. Hopkins, Rachel B. Fernandes, Sakhee Bhure","submitted_at":"2024-07-18T18:00:02Z","abstract_excerpt":"Planet formation is expected to be severely limited in disks of low metallicity, owing to both the small solid mass reservoir and the low opacity accelerating the disk gas dissipation. While previous studies have found a weak correlation between the occurrence rates of small planets ($\\leq$4R$_\\oplus$) and stellar metallicity, so far no studies have probed below the metallicity limit beyond which planet formation is predicted to be suppressed. Here, we constructed a large catalog of ~110,000 metal-poor stars observed by the TESS mission with spectroscopically-derived metallicities, and systema"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.13821","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.13821/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":"2026-07-05T08:45:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zfJc9PJmO95RlverPyLxURv8GZaIxaPFnc3XG5N8SlVAC+RMA93iN94PpwADsDimj0lKRNvvfA3ycgJy0KQSCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:15:48.297812Z"},"content_sha256":"b5c447eef397fd02935b11ae6127d35b99dc67082f8452752c3ad58b3e49cc55","schema_version":"1.0","event_id":"sha256:b5c447eef397fd02935b11ae6127d35b99dc67082f8452752c3ad58b3e49cc55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7VUKJ7GGZPKVODU55J643ZLS7G/bundle.json","state_url":"https://pith.science/pith/7VUKJ7GGZPKVODU55J643ZLS7G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7VUKJ7GGZPKVODU55J643ZLS7G/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":"2026-07-07T07:15:48Z","links":{"resolver":"https://pith.science/pith/7VUKJ7GGZPKVODU55J643ZLS7G","bundle":"https://pith.science/pith/7VUKJ7GGZPKVODU55J643ZLS7G/bundle.json","state":"https://pith.science/pith/7VUKJ7GGZPKVODU55J643ZLS7G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7VUKJ7GGZPKVODU55J643ZLS7G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7VUKJ7GGZPKVODU55J643ZLS7G","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":"9db5e306897196898b8eb8767b3217f6d780c23ac3f9105ef502c608f3947be6","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-07-18T18:00:02Z","title_canon_sha256":"d75899ceb3da3e3e786decbd351040d3c74326144f949e5f3ee1a591a2c9edf9"},"schema_version":"1.0","source":{"id":"2407.13821","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.13821","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"arxiv_version","alias_value":"2407.13821v1","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.13821","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"pith_short_12","alias_value":"7VUKJ7GGZPKV","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"pith_short_16","alias_value":"7VUKJ7GGZPKVODU5","created_at":"2026-07-05T08:45:53Z"},{"alias_kind":"pith_short_8","alias_value":"7VUKJ7GG","created_at":"2026-07-05T08:45:53Z"}],"graph_snapshots":[{"event_id":"sha256:b5c447eef397fd02935b11ae6127d35b99dc67082f8452752c3ad58b3e49cc55","target":"graph","created_at":"2026-07-05T08:45:53Z","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/2407.13821/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Planet formation is expected to be severely limited in disks of low metallicity, owing to both the small solid mass reservoir and the low opacity accelerating the disk gas dissipation. While previous studies have found a weak correlation between the occurrence rates of small planets ($\\leq$4R$_\\oplus$) and stellar metallicity, so far no studies have probed below the metallicity limit beyond which planet formation is predicted to be suppressed. Here, we constructed a large catalog of ~110,000 metal-poor stars observed by the TESS mission with spectroscopically-derived metallicities, and systema","authors_text":"Eve J. Lee, Galen J. Bergsten, Jessie L. Christiansen, Ji Wang, Jon Zink, Kevin Hardegree-Ullman, Kiersten M. Boley, Philip F. Hopkins, Rachel B. Fernandes, Sakhee Bhure","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-07-18T18:00:02Z","title":"The First Evidence of a Host Star Metallicity Cut-off In The Formation of Super-Earth Planets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.13821","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:a304ba471bb49c5c678e7564ee68c67f21c1723a0e686425498eb18423026d49","target":"record","created_at":"2026-07-05T08:45:53Z","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":"9db5e306897196898b8eb8767b3217f6d780c23ac3f9105ef502c608f3947be6","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-07-18T18:00:02Z","title_canon_sha256":"d75899ceb3da3e3e786decbd351040d3c74326144f949e5f3ee1a591a2c9edf9"},"schema_version":"1.0","source":{"id":"2407.13821","kind":"arxiv","version":1}},"canonical_sha256":"fd68a4fcc6cbd5570e9dea7dcde572f9a9a10ef6b77a5ad11beefcd20fc6e0b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd68a4fcc6cbd5570e9dea7dcde572f9a9a10ef6b77a5ad11beefcd20fc6e0b4","first_computed_at":"2026-07-05T08:45:53.782171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:45:53.782171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9kwOVlRmSOqXABp3+pifbmcsWd0/h2eJWgj6O6IS0bguabD4sCSyGvwSPHTjCegTgHE76AYvXCXLiYvRlxIpDg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:45:53.782590Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.13821","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a304ba471bb49c5c678e7564ee68c67f21c1723a0e686425498eb18423026d49","sha256:b5c447eef397fd02935b11ae6127d35b99dc67082f8452752c3ad58b3e49cc55"],"state_sha256":"dd25c72ff2cb24a207f79ae4ce3282dca15441bc5671a0bbbe7b846b1f9f815b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iyfh4xPcnikEkT5fsdKFJf0rmK4Bxs79luqgM5tnBJd0TWlPMlqs2HeuEFdzIczKO7Pk5zCpOVZkeYWDh0BgCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:15:48.301231Z","bundle_sha256":"2d64f92c39562809688cfdc4e65f575c976f583d96abd22eea9590c78a6be565"}}