{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:O6CZNBYMXNNS57PAUKLLGHLDW3","short_pith_number":"pith:O6CZNBYM","canonical_record":{"source":{"id":"2602.08732","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-02-09T14:37:39Z","cross_cats_sorted":[],"title_canon_sha256":"dfd25765b6531607d03247c76331110fff7e94d7dc1bdcdcbc052b02d94406aa","abstract_canon_sha256":"dd9cd37461518f887a7bbb1d6be1b4d36e905037c448ddfc9c718aeee2c16a10"},"schema_version":"1.0"},"canonical_sha256":"778596870cbb5b2efde0a296b31d63b6d77a355f20f7e0bdac729ab43214bd75","source":{"kind":"arxiv","id":"2602.08732","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.08732","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"2602.08732v2","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.08732","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"O6CZNBYMXNNS","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_16","alias_value":"O6CZNBYMXNNS57PA","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_8","alias_value":"O6CZNBYM","created_at":"2026-05-21T01:05:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:O6CZNBYMXNNS57PAUKLLGHLDW3","target":"record","payload":{"canonical_record":{"source":{"id":"2602.08732","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-02-09T14:37:39Z","cross_cats_sorted":[],"title_canon_sha256":"dfd25765b6531607d03247c76331110fff7e94d7dc1bdcdcbc052b02d94406aa","abstract_canon_sha256":"dd9cd37461518f887a7bbb1d6be1b4d36e905037c448ddfc9c718aeee2c16a10"},"schema_version":"1.0"},"canonical_sha256":"778596870cbb5b2efde0a296b31d63b6d77a355f20f7e0bdac729ab43214bd75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:16.184492Z","signature_b64":"qMSDBIggIMYSyiKB2ZBPZY6/OKbvL7zkwFfpxxg5OZ/UHA9SKgfttAYPSbqFUcPV6W+/ZkP+M8kQRAPsStQZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"778596870cbb5b2efde0a296b31d63b6d77a355f20f7e0bdac729ab43214bd75","last_reissued_at":"2026-05-21T01:05:16.183659Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:16.183659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.08732","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":"2026-05-21T01:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UOJb1gT+wiGbf/iDzCAxv12QIY8cNs9n2scBa2DDjOgphE/Lz4c9C0eOOSPUKSxHtVNlxmp9f4QOT0Sc2LyXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:28:22.923361Z"},"content_sha256":"553bd9c3d83f5a189f170f8fb5dfe19eb7aaaa49bad98dfb030022b091a2dd85","schema_version":"1.0","event_id":"sha256:553bd9c3d83f5a189f170f8fb5dfe19eb7aaaa49bad98dfb030022b091a2dd85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:O6CZNBYMXNNS57PAUKLLGHLDW3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Nysa family as the main source of unequilibrated LL ordinary chondrites","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Madden-Watson, B. Carry, B. Yang, C. A. Thomas, C. Avdellidou, E. Jehin, F. E. DeMeo, J. Hanu\\v{s}, K. Minker, L. McGraw, M. Birlan, M. Bro\\v{z}, M. Mahlke, M. Marsset, M. Monnereau, P. Beck, P. N. Simon, P. Vernazza, R. P. Binzel","submitted_at":"2026-02-09T14:37:39Z","abstract_excerpt":"Context. The origin of the petrologic diversity observed in ordinary chondrites (OCs), the most common meteorites on Earth, remains debated. Competing models invoke either depth-dependent sampling of a single thermally stratified (\"onion-shell\") parent body or contributions from multiple distinct parent bodies. Aims. We aim to determine which of the two models is preferred for LL chondrites. These are unique among OCs in exhibiting a bimodal petrologic distribution, with most meteorites being LL3 or LL6. Methods. We compare the spectral and mineralogical properties of LL chondrites and corresp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.08732","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.08732/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":"2026-05-21T01:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LRUNNkbYE4CEeJRbLFWZD0FlEhrbhD2Gss6n18cbfkUrnhcUdoB6bFrdkraZd6QPPozw6Ub7L6SNkZEovBjiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:28:22.924055Z"},"content_sha256":"16a5a9ee1c0060678eb1ca17bd386055a7e262451e1cbf5e3ca57a765c4b95a1","schema_version":"1.0","event_id":"sha256:16a5a9ee1c0060678eb1ca17bd386055a7e262451e1cbf5e3ca57a765c4b95a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O6CZNBYMXNNS57PAUKLLGHLDW3/bundle.json","state_url":"https://pith.science/pith/O6CZNBYMXNNS57PAUKLLGHLDW3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O6CZNBYMXNNS57PAUKLLGHLDW3/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":"2026-05-28T15:28:22Z","links":{"resolver":"https://pith.science/pith/O6CZNBYMXNNS57PAUKLLGHLDW3","bundle":"https://pith.science/pith/O6CZNBYMXNNS57PAUKLLGHLDW3/bundle.json","state":"https://pith.science/pith/O6CZNBYMXNNS57PAUKLLGHLDW3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O6CZNBYMXNNS57PAUKLLGHLDW3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:O6CZNBYMXNNS57PAUKLLGHLDW3","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":"dd9cd37461518f887a7bbb1d6be1b4d36e905037c448ddfc9c718aeee2c16a10","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-02-09T14:37:39Z","title_canon_sha256":"dfd25765b6531607d03247c76331110fff7e94d7dc1bdcdcbc052b02d94406aa"},"schema_version":"1.0","source":{"id":"2602.08732","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.08732","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"2602.08732v2","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.08732","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"O6CZNBYMXNNS","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_16","alias_value":"O6CZNBYMXNNS57PA","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_8","alias_value":"O6CZNBYM","created_at":"2026-05-21T01:05:16Z"}],"graph_snapshots":[{"event_id":"sha256:16a5a9ee1c0060678eb1ca17bd386055a7e262451e1cbf5e3ca57a765c4b95a1","target":"graph","created_at":"2026-05-21T01:05:16Z","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/2602.08732/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context. The origin of the petrologic diversity observed in ordinary chondrites (OCs), the most common meteorites on Earth, remains debated. Competing models invoke either depth-dependent sampling of a single thermally stratified (\"onion-shell\") parent body or contributions from multiple distinct parent bodies. Aims. We aim to determine which of the two models is preferred for LL chondrites. These are unique among OCs in exhibiting a bimodal petrologic distribution, with most meteorites being LL3 or LL6. Methods. We compare the spectral and mineralogical properties of LL chondrites and corresp","authors_text":"A. Madden-Watson, B. Carry, B. Yang, C. A. Thomas, C. Avdellidou, E. Jehin, F. E. DeMeo, J. Hanu\\v{s}, K. Minker, L. McGraw, M. Birlan, M. Bro\\v{z}, M. Mahlke, M. Marsset, M. Monnereau, P. Beck, P. N. Simon, P. Vernazza, R. P. Binzel","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-02-09T14:37:39Z","title":"The Nysa family as the main source of unequilibrated LL ordinary chondrites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.08732","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":"sha256:553bd9c3d83f5a189f170f8fb5dfe19eb7aaaa49bad98dfb030022b091a2dd85","target":"record","created_at":"2026-05-21T01:05:16Z","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":"dd9cd37461518f887a7bbb1d6be1b4d36e905037c448ddfc9c718aeee2c16a10","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-02-09T14:37:39Z","title_canon_sha256":"dfd25765b6531607d03247c76331110fff7e94d7dc1bdcdcbc052b02d94406aa"},"schema_version":"1.0","source":{"id":"2602.08732","kind":"arxiv","version":2}},"canonical_sha256":"778596870cbb5b2efde0a296b31d63b6d77a355f20f7e0bdac729ab43214bd75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"778596870cbb5b2efde0a296b31d63b6d77a355f20f7e0bdac729ab43214bd75","first_computed_at":"2026-05-21T01:05:16.183659Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:05:16.183659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qMSDBIggIMYSyiKB2ZBPZY6/OKbvL7zkwFfpxxg5OZ/UHA9SKgfttAYPSbqFUcPV6W+/ZkP+M8kQRAPsStQZCQ==","signature_status":"signed_v1","signed_at":"2026-05-21T01:05:16.184492Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.08732","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:553bd9c3d83f5a189f170f8fb5dfe19eb7aaaa49bad98dfb030022b091a2dd85","sha256:16a5a9ee1c0060678eb1ca17bd386055a7e262451e1cbf5e3ca57a765c4b95a1"],"state_sha256":"3d49767c67b1edf6b536a389f133c61f82a0bc6cb6c69e35c7806cfbc3c05072"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C3y1ygvg0x4NtyEz8yY6fctOEDWzUUKcnGq+C9kNGJQelNjImkuC2AvtH7MqR9fm7xjyXlZnpvbZ+1lsDupWBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:28:22.927360Z","bundle_sha256":"68b4bdeab1d0affb5436f1341f31edd79c440dd0da7125b5c46773881df90369"}}