{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LNOENKEDTUNBPZNJXELX7NIAEP","short_pith_number":"pith:LNOENKED","canonical_record":{"source":{"id":"1605.08329","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-26T15:21:10Z","cross_cats_sorted":[],"title_canon_sha256":"db53bc16ec166450f80d5f173f8939fcb0c53dd7dc22ab5404199449c0c09fff","abstract_canon_sha256":"f1cab74df12f0833b503e746429619ff6b84ea04b4cecc32172ca33273738b21"},"schema_version":"1.0"},"canonical_sha256":"5b5c46a8839d1a17e5a9b9177fb50023ded3b8f03f2cf81f066d5bb8e11f7e58","source":{"kind":"arxiv","id":"1605.08329","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.08329","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"arxiv_version","alias_value":"1605.08329v1","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.08329","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"pith_short_12","alias_value":"LNOENKEDTUNB","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LNOENKEDTUNBPZNJ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LNOENKED","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LNOENKEDTUNBPZNJXELX7NIAEP","target":"record","payload":{"canonical_record":{"source":{"id":"1605.08329","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-26T15:21:10Z","cross_cats_sorted":[],"title_canon_sha256":"db53bc16ec166450f80d5f173f8939fcb0c53dd7dc22ab5404199449c0c09fff","abstract_canon_sha256":"f1cab74df12f0833b503e746429619ff6b84ea04b4cecc32172ca33273738b21"},"schema_version":"1.0"},"canonical_sha256":"5b5c46a8839d1a17e5a9b9177fb50023ded3b8f03f2cf81f066d5bb8e11f7e58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:26.381068Z","signature_b64":"CUo+MNDhnraMuL5U2w+mga6Xgowor255jTbYMaPFP1shkI1LE9fBcYz6M3pV4ZGFOTHmWMOdudatHyvnkM1uCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b5c46a8839d1a17e5a9b9177fb50023ded3b8f03f2cf81f066d5bb8e11f7e58","last_reissued_at":"2026-05-18T01:12:26.380746Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:26.380746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.08329","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":"2026-05-18T01:12:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8F33jW7YqtmAWX0UNlXKKCjdcEsgFsisfbnM7H+D6N70YyeUB7SpUcQK5OIWAIDLfLy6MGjKyzSdoybojIidBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:20.040420Z"},"content_sha256":"b3a02da925402ed3a94b3e904ebba5e0f06eecc98eb26fb384f70bbb97a9bea1","schema_version":"1.0","event_id":"sha256:b3a02da925402ed3a94b3e904ebba5e0f06eecc98eb26fb384f70bbb97a9bea1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LNOENKEDTUNBPZNJXELX7NIAEP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Planets, debris and their host metallicity correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Mark Fletcher, Sergei Nayakshin","submitted_at":"2016-05-26T15:21:10Z","abstract_excerpt":"Recent observations of debris discs, believed to be made up of remnant planetesimals, brought a number of surprises. Debris disc presence does not correlate with the host star's metallicity, and may anti-correlate with the presence of gas giant planets. These observations contradict both assumptions and predictions of the highly successful Core Accretion model of planet formation. Here we explore predictions of the alternative Tidal Downsizing (TD) scenario of planet formation. In TD, small planets and planetesimal debris is made only when gas fragments, predecessors of giant planets, are tida"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.08329","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":"2026-05-18T01:12:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wqqRkWfDV8jCGEXBMQzExXoyTmFVNBbBcRYNYzHG5yJDbEPqknkdUdvyhooPfzQ1qE+Rs9e/wPuhQL+tCjjfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:20.041039Z"},"content_sha256":"a016203a8ba4c3eff3ada6f0f48fa1164139703fe76234afea4ecae57750b91c","schema_version":"1.0","event_id":"sha256:a016203a8ba4c3eff3ada6f0f48fa1164139703fe76234afea4ecae57750b91c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNOENKEDTUNBPZNJXELX7NIAEP/bundle.json","state_url":"https://pith.science/pith/LNOENKEDTUNBPZNJXELX7NIAEP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNOENKEDTUNBPZNJXELX7NIAEP/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":"2026-05-28T20:48:20Z","links":{"resolver":"https://pith.science/pith/LNOENKEDTUNBPZNJXELX7NIAEP","bundle":"https://pith.science/pith/LNOENKEDTUNBPZNJXELX7NIAEP/bundle.json","state":"https://pith.science/pith/LNOENKEDTUNBPZNJXELX7NIAEP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNOENKEDTUNBPZNJXELX7NIAEP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LNOENKEDTUNBPZNJXELX7NIAEP","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":"f1cab74df12f0833b503e746429619ff6b84ea04b4cecc32172ca33273738b21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-26T15:21:10Z","title_canon_sha256":"db53bc16ec166450f80d5f173f8939fcb0c53dd7dc22ab5404199449c0c09fff"},"schema_version":"1.0","source":{"id":"1605.08329","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.08329","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"arxiv_version","alias_value":"1605.08329v1","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.08329","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"pith_short_12","alias_value":"LNOENKEDTUNB","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LNOENKEDTUNBPZNJ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LNOENKED","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:a016203a8ba4c3eff3ada6f0f48fa1164139703fe76234afea4ecae57750b91c","target":"graph","created_at":"2026-05-18T01:12:26Z","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":"Recent observations of debris discs, believed to be made up of remnant planetesimals, brought a number of surprises. Debris disc presence does not correlate with the host star's metallicity, and may anti-correlate with the presence of gas giant planets. These observations contradict both assumptions and predictions of the highly successful Core Accretion model of planet formation. Here we explore predictions of the alternative Tidal Downsizing (TD) scenario of planet formation. In TD, small planets and planetesimal debris is made only when gas fragments, predecessors of giant planets, are tida","authors_text":"Mark Fletcher, Sergei Nayakshin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-26T15:21:10Z","title":"Planets, debris and their host metallicity correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.08329","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:b3a02da925402ed3a94b3e904ebba5e0f06eecc98eb26fb384f70bbb97a9bea1","target":"record","created_at":"2026-05-18T01:12:26Z","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":"f1cab74df12f0833b503e746429619ff6b84ea04b4cecc32172ca33273738b21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-26T15:21:10Z","title_canon_sha256":"db53bc16ec166450f80d5f173f8939fcb0c53dd7dc22ab5404199449c0c09fff"},"schema_version":"1.0","source":{"id":"1605.08329","kind":"arxiv","version":1}},"canonical_sha256":"5b5c46a8839d1a17e5a9b9177fb50023ded3b8f03f2cf81f066d5bb8e11f7e58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b5c46a8839d1a17e5a9b9177fb50023ded3b8f03f2cf81f066d5bb8e11f7e58","first_computed_at":"2026-05-18T01:12:26.380746Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:26.380746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CUo+MNDhnraMuL5U2w+mga6Xgowor255jTbYMaPFP1shkI1LE9fBcYz6M3pV4ZGFOTHmWMOdudatHyvnkM1uCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:26.381068Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.08329","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3a02da925402ed3a94b3e904ebba5e0f06eecc98eb26fb384f70bbb97a9bea1","sha256:a016203a8ba4c3eff3ada6f0f48fa1164139703fe76234afea4ecae57750b91c"],"state_sha256":"ad896d405d4c50ce206552c4d2c05b62d7b2aba0986ea6b884cb098de3a82c22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hom0M3ti+HRKCvISgAR93/x0JH6MWDya8clEGAW2WSWw54xhfp7Y0lPebQU+Pm+GuIePoYyPIRYtmjjKFySDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:48:20.044177Z","bundle_sha256":"d3e7a6016ebb611a31d7858a7e0f4f54a0ca0bcfcad3d56dbfb261fbd1b0b3c2"}}