{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:SVNPNAK5NYS4GLA5HJGK3N4YCY","short_pith_number":"pith:SVNPNAK5","canonical_record":{"source":{"id":"1301.5665","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-01-23T22:45:12Z","cross_cats_sorted":[],"title_canon_sha256":"63ea7a77622d41131b11a48c4172ebecd9c1455e2bdcb6c699a70824c106be24","abstract_canon_sha256":"ea60483441d9a1d352bead38d2de721584a0b8175d1788689a9f0594874d125c"},"schema_version":"1.0"},"canonical_sha256":"955af6815d6e25c32c1d3a4cadb798163d6c1292d0569fd783b5ee1876a5faad","source":{"kind":"arxiv","id":"1301.5665","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5665","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5665v1","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5665","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"pith_short_12","alias_value":"SVNPNAK5NYS4","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SVNPNAK5NYS4GLA5","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SVNPNAK5","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:SVNPNAK5NYS4GLA5HJGK3N4YCY","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5665","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-01-23T22:45:12Z","cross_cats_sorted":[],"title_canon_sha256":"63ea7a77622d41131b11a48c4172ebecd9c1455e2bdcb6c699a70824c106be24","abstract_canon_sha256":"ea60483441d9a1d352bead38d2de721584a0b8175d1788689a9f0594874d125c"},"schema_version":"1.0"},"canonical_sha256":"955af6815d6e25c32c1d3a4cadb798163d6c1292d0569fd783b5ee1876a5faad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:59.163335Z","signature_b64":"zgY+Tc5NWWCv1/32Jcct4upqgOL1A/vlbVWH8EFd1PNYyDiBI1ppWlb9csJ03MifLCS56ZDBihjy7LezheDzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"955af6815d6e25c32c1d3a4cadb798163d6c1292d0569fd783b5ee1876a5faad","last_reissued_at":"2026-05-18T01:51:59.162875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:59.162875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5665","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":"2026-05-18T01:51:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uSsoi3kOqZyw73CHCdxN4+1myo8JL5vb5UOTQGLYmeuKM68u5q8xVopxSkdesnvgYTdYhkQ3Kxwxi1UgpPSbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:48:00.723162Z"},"content_sha256":"6bc1de70bff55cd2a4beac2ced6b339d7dd590f51ee4824a074c8ba3dabea023","schema_version":"1.0","event_id":"sha256:6bc1de70bff55cd2a4beac2ced6b339d7dd590f51ee4824a074c8ba3dabea023"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:SVNPNAK5NYS4GLA5HJGK3N4YCY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Water transport in protoplanetary disks and the hydrogen isotopic composition of chondrites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Emmanuel Jacquet, Fran\\c{c}Ois Robert","submitted_at":"2013-01-23T22:45:12Z","abstract_excerpt":"The D/H ratios of carbonaceous chondrites, believed to reflect that of water in the inner early solar system, are intermediate between the protosolar value and that of most comets. The isotopic composition of cometary water has been accounted for by several models where the isotopic composition of water vapor evolved by isotopic exchange with hydrogen gas in the protoplanetary disk. However, the position and the wide variations of the distribution of D/H ratios in carbonaceous chondrites have yet to be explained. In this paper, we assume that the D/H composition of cometary ice was achieved in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5665","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":"2026-05-18T01:51:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TddB6C8YrMaxP4e+3XJ2vbF8ZsxYIrCsBMkkBB5AIE9W5fgr7NeW23RULqYIEFobMI4B22/akanm331s0GVKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:48:00.723941Z"},"content_sha256":"77c63c44b1f53eb62269c7990a6ade3f0273d0a6d47ba400a897eba1cdd40baf","schema_version":"1.0","event_id":"sha256:77c63c44b1f53eb62269c7990a6ade3f0273d0a6d47ba400a897eba1cdd40baf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SVNPNAK5NYS4GLA5HJGK3N4YCY/bundle.json","state_url":"https://pith.science/pith/SVNPNAK5NYS4GLA5HJGK3N4YCY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SVNPNAK5NYS4GLA5HJGK3N4YCY/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":"2026-05-31T12:48:00Z","links":{"resolver":"https://pith.science/pith/SVNPNAK5NYS4GLA5HJGK3N4YCY","bundle":"https://pith.science/pith/SVNPNAK5NYS4GLA5HJGK3N4YCY/bundle.json","state":"https://pith.science/pith/SVNPNAK5NYS4GLA5HJGK3N4YCY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SVNPNAK5NYS4GLA5HJGK3N4YCY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SVNPNAK5NYS4GLA5HJGK3N4YCY","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":"ea60483441d9a1d352bead38d2de721584a0b8175d1788689a9f0594874d125c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-01-23T22:45:12Z","title_canon_sha256":"63ea7a77622d41131b11a48c4172ebecd9c1455e2bdcb6c699a70824c106be24"},"schema_version":"1.0","source":{"id":"1301.5665","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5665","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5665v1","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5665","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"pith_short_12","alias_value":"SVNPNAK5NYS4","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SVNPNAK5NYS4GLA5","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SVNPNAK5","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:77c63c44b1f53eb62269c7990a6ade3f0273d0a6d47ba400a897eba1cdd40baf","target":"graph","created_at":"2026-05-18T01:51:59Z","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":"The D/H ratios of carbonaceous chondrites, believed to reflect that of water in the inner early solar system, are intermediate between the protosolar value and that of most comets. The isotopic composition of cometary water has been accounted for by several models where the isotopic composition of water vapor evolved by isotopic exchange with hydrogen gas in the protoplanetary disk. However, the position and the wide variations of the distribution of D/H ratios in carbonaceous chondrites have yet to be explained. In this paper, we assume that the D/H composition of cometary ice was achieved in","authors_text":"Emmanuel Jacquet, Fran\\c{c}Ois Robert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-01-23T22:45:12Z","title":"Water transport in protoplanetary disks and the hydrogen isotopic composition of chondrites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5665","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":"sha256:6bc1de70bff55cd2a4beac2ced6b339d7dd590f51ee4824a074c8ba3dabea023","target":"record","created_at":"2026-05-18T01:51:59Z","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":"ea60483441d9a1d352bead38d2de721584a0b8175d1788689a9f0594874d125c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-01-23T22:45:12Z","title_canon_sha256":"63ea7a77622d41131b11a48c4172ebecd9c1455e2bdcb6c699a70824c106be24"},"schema_version":"1.0","source":{"id":"1301.5665","kind":"arxiv","version":1}},"canonical_sha256":"955af6815d6e25c32c1d3a4cadb798163d6c1292d0569fd783b5ee1876a5faad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"955af6815d6e25c32c1d3a4cadb798163d6c1292d0569fd783b5ee1876a5faad","first_computed_at":"2026-05-18T01:51:59.162875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:59.162875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zgY+Tc5NWWCv1/32Jcct4upqgOL1A/vlbVWH8EFd1PNYyDiBI1ppWlb9csJ03MifLCS56ZDBihjy7LezheDzBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:59.163335Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5665","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bc1de70bff55cd2a4beac2ced6b339d7dd590f51ee4824a074c8ba3dabea023","sha256:77c63c44b1f53eb62269c7990a6ade3f0273d0a6d47ba400a897eba1cdd40baf"],"state_sha256":"d2bea8b099e9e963ccaede3767f2a7866bdcd482acbeade197ca95e6f8b1a238"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iJX/MIkWIJ5xiQKtuaq/AN4GbukgeL8hm53O4UIa5Aw3qX/w0SbwZzSPyaO/C56M4txuCg/HrUdCLTCtNggOAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:48:00.727389Z","bundle_sha256":"f54cc31b3dda58c0edfa7d05fad4070b8a1b21422812abc18899ea532e3f0b68"}}