{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Y35UBYM5LAT3ILJENFC7OA7IFM","short_pith_number":"pith:Y35UBYM5","canonical_record":{"source":{"id":"1405.6850","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-05-27T09:54:56Z","cross_cats_sorted":[],"title_canon_sha256":"e6d40f6b5b36dbdf4cd899506a01be08b7d8ccb98b872b5b44998c968287db99","abstract_canon_sha256":"c076618e7b9d12fc441ad0e648390391910731a9b6ffe765f18fe2005b82037b"},"schema_version":"1.0"},"canonical_sha256":"c6fb40e19d5827b42d246945f703e82b1a0fd7765e61ff0e69493b935b32e29d","source":{"kind":"arxiv","id":"1405.6850","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.6850","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"arxiv_version","alias_value":"1405.6850v1","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.6850","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"pith_short_12","alias_value":"Y35UBYM5LAT3","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"Y35UBYM5LAT3ILJE","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"Y35UBYM5","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Y35UBYM5LAT3ILJENFC7OA7IFM","target":"record","payload":{"canonical_record":{"source":{"id":"1405.6850","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-05-27T09:54:56Z","cross_cats_sorted":[],"title_canon_sha256":"e6d40f6b5b36dbdf4cd899506a01be08b7d8ccb98b872b5b44998c968287db99","abstract_canon_sha256":"c076618e7b9d12fc441ad0e648390391910731a9b6ffe765f18fe2005b82037b"},"schema_version":"1.0"},"canonical_sha256":"c6fb40e19d5827b42d246945f703e82b1a0fd7765e61ff0e69493b935b32e29d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:05.911402Z","signature_b64":"sNSyOJ8Bn5y6Y141KPattG+GQIo5v+MSMIwYdf2daZDUpdIivaA8yhMr9Myn3tbqTpciG6sKCiD7dxJLXIx2Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6fb40e19d5827b42d246945f703e82b1a0fd7765e61ff0e69493b935b32e29d","last_reissued_at":"2026-05-18T01:43:05.910774Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:05.910774Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.6850","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":"2026-05-18T01:43:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aL0SA8bfSnL5oFztI3YOfXmf8Vk6qfMDdnlK3O/mBwPZxcSQ5gd/q8RRMsY3tjtKvkGkvcA229T+FyLRzHdCCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:17:42.354953Z"},"content_sha256":"446a4bfdf8f2357240c22d5b991368f11761d6586a52058e74f3e7f369ac207a","schema_version":"1.0","event_id":"sha256:446a4bfdf8f2357240c22d5b991368f11761d6586a52058e74f3e7f369ac207a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Y35UBYM5LAT3ILJENFC7OA7IFM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiple and Fast: The Accretion of Ordinary Chondrite Parent Bodies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"B. Zanda, F. E. DeMeo, L. Ricci, M. Birlan, M. Lockhart, P. Barge, P. Vernazza, R. Hewins, R. P. Binzel, T. Hiroi","submitted_at":"2014-05-27T09:54:56Z","abstract_excerpt":"Although petrologic, chemical and isotopic studies of ordinary chondrites and meteorites in general have largely helped establish a chronology of the earliest events of planetesimal formation and their evolution, there are several questions that cannot be resolved via laboratory measurements and/or experiments only. Here we propose rationale for several new constraints on the formation and evolution of ordinary chondrite parent bodies (and by extension most planetesimals) from newly available spectral measurements and mineralogical analysis of main belt S-type asteroids (83 objects) and unequi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.6850","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":"2026-05-18T01:43:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6gjBTScTuAMwPJfqXXtl1eJENSKwU6QiethNLkwRzLhny3zbEns8oQte2j+YkO7swWLNJuSJLVNnpqJvrkbpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:17:42.355310Z"},"content_sha256":"afcd0eb0b7a282e065672bc996f6593e543a2bc8949dae991e1a792644aa05b1","schema_version":"1.0","event_id":"sha256:afcd0eb0b7a282e065672bc996f6593e543a2bc8949dae991e1a792644aa05b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y35UBYM5LAT3ILJENFC7OA7IFM/bundle.json","state_url":"https://pith.science/pith/Y35UBYM5LAT3ILJENFC7OA7IFM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y35UBYM5LAT3ILJENFC7OA7IFM/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":"2026-06-03T14:17:42Z","links":{"resolver":"https://pith.science/pith/Y35UBYM5LAT3ILJENFC7OA7IFM","bundle":"https://pith.science/pith/Y35UBYM5LAT3ILJENFC7OA7IFM/bundle.json","state":"https://pith.science/pith/Y35UBYM5LAT3ILJENFC7OA7IFM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y35UBYM5LAT3ILJENFC7OA7IFM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Y35UBYM5LAT3ILJENFC7OA7IFM","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":"c076618e7b9d12fc441ad0e648390391910731a9b6ffe765f18fe2005b82037b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-05-27T09:54:56Z","title_canon_sha256":"e6d40f6b5b36dbdf4cd899506a01be08b7d8ccb98b872b5b44998c968287db99"},"schema_version":"1.0","source":{"id":"1405.6850","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.6850","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"arxiv_version","alias_value":"1405.6850v1","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.6850","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"pith_short_12","alias_value":"Y35UBYM5LAT3","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"Y35UBYM5LAT3ILJE","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"Y35UBYM5","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:afcd0eb0b7a282e065672bc996f6593e543a2bc8949dae991e1a792644aa05b1","target":"graph","created_at":"2026-05-18T01:43:05Z","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":"Although petrologic, chemical and isotopic studies of ordinary chondrites and meteorites in general have largely helped establish a chronology of the earliest events of planetesimal formation and their evolution, there are several questions that cannot be resolved via laboratory measurements and/or experiments only. Here we propose rationale for several new constraints on the formation and evolution of ordinary chondrite parent bodies (and by extension most planetesimals) from newly available spectral measurements and mineralogical analysis of main belt S-type asteroids (83 objects) and unequi","authors_text":"B. Zanda, F. E. DeMeo, L. Ricci, M. Birlan, M. Lockhart, P. Barge, P. Vernazza, R. Hewins, R. P. Binzel, T. Hiroi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-05-27T09:54:56Z","title":"Multiple and Fast: The Accretion of Ordinary Chondrite Parent Bodies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.6850","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":"sha256:446a4bfdf8f2357240c22d5b991368f11761d6586a52058e74f3e7f369ac207a","target":"record","created_at":"2026-05-18T01:43:05Z","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":"c076618e7b9d12fc441ad0e648390391910731a9b6ffe765f18fe2005b82037b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-05-27T09:54:56Z","title_canon_sha256":"e6d40f6b5b36dbdf4cd899506a01be08b7d8ccb98b872b5b44998c968287db99"},"schema_version":"1.0","source":{"id":"1405.6850","kind":"arxiv","version":1}},"canonical_sha256":"c6fb40e19d5827b42d246945f703e82b1a0fd7765e61ff0e69493b935b32e29d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6fb40e19d5827b42d246945f703e82b1a0fd7765e61ff0e69493b935b32e29d","first_computed_at":"2026-05-18T01:43:05.910774Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:05.910774Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sNSyOJ8Bn5y6Y141KPattG+GQIo5v+MSMIwYdf2daZDUpdIivaA8yhMr9Myn3tbqTpciG6sKCiD7dxJLXIx2Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:05.911402Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.6850","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:446a4bfdf8f2357240c22d5b991368f11761d6586a52058e74f3e7f369ac207a","sha256:afcd0eb0b7a282e065672bc996f6593e543a2bc8949dae991e1a792644aa05b1"],"state_sha256":"8b9d33e259dc72d893479b0b536039e998fac95fade369f7103a203f69409371"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GgJcUQZgQllQNxBfpJbaZKotlRH90oomtKifv6LtZyIAfD++WSFksbH8cBzwqS/NQuFtn324WrRzA2ly36NNCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:17:42.357280Z","bundle_sha256":"a0f9ec5d48611f277a7134a35c4d986595cd272f1bc820d7a6a64e285995cdc0"}}