{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:X4O6KCEUCCONGS7HNPABNG5KRJ","short_pith_number":"pith:X4O6KCEU","canonical_record":{"source":{"id":"2112.10284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-19T23:48:10Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"9edc5afe1b87c2d8e3fb18b43dc9d31f70ee18489669d180a40100ef30669c5f","abstract_canon_sha256":"1e426326b6572051eadb23a452c9a7391dba371c171ad530640b4854a15bd971"},"schema_version":"1.0"},"canonical_sha256":"bf1de50894109cd34be76bc0169baa8a6f6a144ed3148cca8acc0bcdab9a2822","source":{"kind":"arxiv","id":"2112.10284","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.10284","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"arxiv_version","alias_value":"2112.10284v1","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.10284","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"pith_short_12","alias_value":"X4O6KCEUCCON","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"pith_short_16","alias_value":"X4O6KCEUCCONGS7H","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"pith_short_8","alias_value":"X4O6KCEU","created_at":"2026-07-05T03:42:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:X4O6KCEUCCONGS7HNPABNG5KRJ","target":"record","payload":{"canonical_record":{"source":{"id":"2112.10284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-19T23:48:10Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"9edc5afe1b87c2d8e3fb18b43dc9d31f70ee18489669d180a40100ef30669c5f","abstract_canon_sha256":"1e426326b6572051eadb23a452c9a7391dba371c171ad530640b4854a15bd971"},"schema_version":"1.0"},"canonical_sha256":"bf1de50894109cd34be76bc0169baa8a6f6a144ed3148cca8acc0bcdab9a2822","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:42:13.279351Z","signature_b64":"9ilu0SKy3RCpWblbWFin5ZMrQRNtoLgVJ0Oa1u9Uk8vzAUEDtHgsFIAPQg+Z43/m+2SSvRwSwtCGciUtjFFxCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf1de50894109cd34be76bc0169baa8a6f6a144ed3148cca8acc0bcdab9a2822","last_reissued_at":"2026-07-05T03:42:13.278965Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:42:13.278965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.10284","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":"2026-07-05T03:42:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vB/qChzW1QJ41Oq3OS3zmC8tlgjfRxMK5isjaajO/PIEyG+njFVo1aqrP9Vovwf57vSvCMBFrLaSmpSoZtTxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T22:16:06.542376Z"},"content_sha256":"9a99695d587b4ccec7b5bc385f7e54b688e29612db1e90dc0f6a88ccc82db189","schema_version":"1.0","event_id":"sha256:9a99695d587b4ccec7b5bc385f7e54b688e29612db1e90dc0f6a88ccc82db189"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:X4O6KCEUCCONGS7HNPABNG5KRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distant formation and differentiation of outer main belt asteroids and carbonaceous chondrite parent bodies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"B. L. Ehlmann, F. Usui, H. Kurokawa, M. Yoda, S. Kikuchi, T. Shibuya, Y. Sekine","submitted_at":"2021-12-19T23:48:10Z","abstract_excerpt":"Volatile compositions of asteroids provide information on the Solar System history and the origins of Earth's volatiles. Visible to near-infrared observations at wavelengths of $<2.5\\ {\\rm \\mu m}$ have suggested a genetic link between outer main belt asteroids located at $2.5$-$4\\ {\\rm au}$ and carbonaceous chondrite meteorites (CCs) that show isotopic similarities to volatile elements on Earth. However, recent longer wavelength data for large outer main belt asteroids show $3.1\\ {\\rm \\mu m}$ absorption features of ammoniated phyllosilicates that are absent in CCs and cannot easily form from m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.10284","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/2112.10284/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":"2026-07-05T03:42:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SbWLNoPVRRxFPbgAXEw53fS8M0rwT+X+4qxFQgaFlHrEDOe6YpeH3KbyBAsXtQe7yAFGFQw+tkL6BFcXrCGPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T22:16:06.543144Z"},"content_sha256":"b19235ba427b68a544bf9bcf2bf9dd282788fcbd4a86a6c8c54228393c4da71b","schema_version":"1.0","event_id":"sha256:b19235ba427b68a544bf9bcf2bf9dd282788fcbd4a86a6c8c54228393c4da71b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X4O6KCEUCCONGS7HNPABNG5KRJ/bundle.json","state_url":"https://pith.science/pith/X4O6KCEUCCONGS7HNPABNG5KRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X4O6KCEUCCONGS7HNPABNG5KRJ/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":"2026-08-14T22:16:06Z","links":{"resolver":"https://pith.science/pith/X4O6KCEUCCONGS7HNPABNG5KRJ","bundle":"https://pith.science/pith/X4O6KCEUCCONGS7HNPABNG5KRJ/bundle.json","state":"https://pith.science/pith/X4O6KCEUCCONGS7HNPABNG5KRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X4O6KCEUCCONGS7HNPABNG5KRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:X4O6KCEUCCONGS7HNPABNG5KRJ","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":"1e426326b6572051eadb23a452c9a7391dba371c171ad530640b4854a15bd971","cross_cats_sorted":["physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-19T23:48:10Z","title_canon_sha256":"9edc5afe1b87c2d8e3fb18b43dc9d31f70ee18489669d180a40100ef30669c5f"},"schema_version":"1.0","source":{"id":"2112.10284","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.10284","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"arxiv_version","alias_value":"2112.10284v1","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.10284","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"pith_short_12","alias_value":"X4O6KCEUCCON","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"pith_short_16","alias_value":"X4O6KCEUCCONGS7H","created_at":"2026-07-05T03:42:13Z"},{"alias_kind":"pith_short_8","alias_value":"X4O6KCEU","created_at":"2026-07-05T03:42:13Z"}],"graph_snapshots":[{"event_id":"sha256:b19235ba427b68a544bf9bcf2bf9dd282788fcbd4a86a6c8c54228393c4da71b","target":"graph","created_at":"2026-07-05T03:42:13Z","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/2112.10284/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Volatile compositions of asteroids provide information on the Solar System history and the origins of Earth's volatiles. Visible to near-infrared observations at wavelengths of $<2.5\\ {\\rm \\mu m}$ have suggested a genetic link between outer main belt asteroids located at $2.5$-$4\\ {\\rm au}$ and carbonaceous chondrite meteorites (CCs) that show isotopic similarities to volatile elements on Earth. However, recent longer wavelength data for large outer main belt asteroids show $3.1\\ {\\rm \\mu m}$ absorption features of ammoniated phyllosilicates that are absent in CCs and cannot easily form from m","authors_text":"B. L. Ehlmann, F. Usui, H. Kurokawa, M. Yoda, S. Kikuchi, T. Shibuya, Y. Sekine","cross_cats":["physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-19T23:48:10Z","title":"Distant formation and differentiation of outer main belt asteroids and carbonaceous chondrite parent bodies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.10284","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":"sha256:9a99695d587b4ccec7b5bc385f7e54b688e29612db1e90dc0f6a88ccc82db189","target":"record","created_at":"2026-07-05T03:42:13Z","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":"1e426326b6572051eadb23a452c9a7391dba371c171ad530640b4854a15bd971","cross_cats_sorted":["physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-19T23:48:10Z","title_canon_sha256":"9edc5afe1b87c2d8e3fb18b43dc9d31f70ee18489669d180a40100ef30669c5f"},"schema_version":"1.0","source":{"id":"2112.10284","kind":"arxiv","version":1}},"canonical_sha256":"bf1de50894109cd34be76bc0169baa8a6f6a144ed3148cca8acc0bcdab9a2822","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf1de50894109cd34be76bc0169baa8a6f6a144ed3148cca8acc0bcdab9a2822","first_computed_at":"2026-07-05T03:42:13.278965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:42:13.278965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9ilu0SKy3RCpWblbWFin5ZMrQRNtoLgVJ0Oa1u9Uk8vzAUEDtHgsFIAPQg+Z43/m+2SSvRwSwtCGciUtjFFxCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:42:13.279351Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.10284","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a99695d587b4ccec7b5bc385f7e54b688e29612db1e90dc0f6a88ccc82db189","sha256:b19235ba427b68a544bf9bcf2bf9dd282788fcbd4a86a6c8c54228393c4da71b"],"state_sha256":"baf2e711c756f7c15f92c1db8233b18e5b1cf291d796a3881ad3cb21ffdef8f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uiHIW5Xjbv3rTg6XiIxYqR63M185pM4SadqVW3BcLtkUecb3KRHLQ+lldkWIHJXFdARGUxOPx2isBZ9QoVneBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T22:16:06.549345Z","bundle_sha256":"217e6552a405225192c1bbf44fa8bbf12fa075aa5fa883933aaf23f8309dd0b8"}}