{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LOXEHFRU2U5KU5AAGKXM6AO4CB","short_pith_number":"pith:LOXEHFRU","canonical_record":{"source":{"id":"1603.01968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-07T07:51:59Z","cross_cats_sorted":[],"title_canon_sha256":"5b400268ad577b324a8af2190acc3fd52d3e05074fcd0452bbd9947baed03793","abstract_canon_sha256":"e195107d6e0d90e3d42271fd8034532e2e1d5d30338e6adb0b0d9fd65db81de2"},"schema_version":"1.0"},"canonical_sha256":"5bae439634d53aaa740032aecf01dc1041cb254eab574c6394ff08f2977bd5e2","source":{"kind":"arxiv","id":"1603.01968","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.01968","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1603.01968v1","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01968","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"LOXEHFRU2U5K","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LOXEHFRU2U5KU5AA","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LOXEHFRU","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LOXEHFRU2U5KU5AAGKXM6AO4CB","target":"record","payload":{"canonical_record":{"source":{"id":"1603.01968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-07T07:51:59Z","cross_cats_sorted":[],"title_canon_sha256":"5b400268ad577b324a8af2190acc3fd52d3e05074fcd0452bbd9947baed03793","abstract_canon_sha256":"e195107d6e0d90e3d42271fd8034532e2e1d5d30338e6adb0b0d9fd65db81de2"},"schema_version":"1.0"},"canonical_sha256":"5bae439634d53aaa740032aecf01dc1041cb254eab574c6394ff08f2977bd5e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:40.023947Z","signature_b64":"SbQPRDEXd0UDUHt1x6cNmw4Rwbxo3P1rblmz5CO7B3hBleHqThE0DfBEAQl2TGmeoKgbQfxjNGTbEKh/lUTgBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5bae439634d53aaa740032aecf01dc1041cb254eab574c6394ff08f2977bd5e2","last_reissued_at":"2026-05-18T01:16:40.023381Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:40.023381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.01968","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":"2026-05-18T01:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EQGKsFPdXD+/2O8eO5J40FkK4Q4JN25xgygxNv5jXPhTaqhZbqcJlEieYJqFcCpNrn5HKZLMfOrl6lPjdm8QCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T05:52:54.659108Z"},"content_sha256":"9cfe9ea306128292e2f940702f45bd3041138f0f134df6d953ea8c0fdba8292a","schema_version":"1.0","event_id":"sha256:9cfe9ea306128292e2f940702f45bd3041138f0f134df6d953ea8c0fdba8292a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LOXEHFRU2U5KU5AAGKXM6AO4CB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mercury (Hg) in meteorites: variations in abundance, thermal release profile, mass-dependent and mass-independent isotopic fractionation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"2), (2) Institute of Geochemistry, Bernard Marty (1) ((1) Centre de Recherches P\\'etrographiques et G\\'eochimiques (CRPG), Christophe Cloquet (1), CNRS, ETH Zurich), Matthias M. M. Meier (1, Petrology, Universit\\'e de Lorraine","submitted_at":"2016-03-07T07:51:59Z","abstract_excerpt":"We have measured the concentration, isotopic composition and thermal release profiles of Mercury (Hg) in a suite of meteorites, including both chondrites and achondrites. We find large variations in Hg concentration between different meteorites (ca. 10 ppb to 14'000 ppb), with the highest concentration orders of magnitude above the expected bulk solar system silicates value. From the presence of several different Hg carrier phases in thermal release profiles (150 to 650 {\\deg}C), we argue that these variations are unlikely to be mainly due to terrestrial contamination. The Hg abundance of mete"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01968","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":"2026-05-18T01:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ky8DVbKdqtX4WPxpm0zFSFRuAxTFxNLurwhorLMuHK2vU3KT7OsrklbKDPQ3PR9XDFqkJvdT1tVSm4Svp/1ZBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T05:52:54.659472Z"},"content_sha256":"0ebc1ef49815ae96915cd2cebf21ea19482d978fa3394c85b8db196fe826c7f6","schema_version":"1.0","event_id":"sha256:0ebc1ef49815ae96915cd2cebf21ea19482d978fa3394c85b8db196fe826c7f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOXEHFRU2U5KU5AAGKXM6AO4CB/bundle.json","state_url":"https://pith.science/pith/LOXEHFRU2U5KU5AAGKXM6AO4CB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOXEHFRU2U5KU5AAGKXM6AO4CB/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":"2026-06-23T05:52:54Z","links":{"resolver":"https://pith.science/pith/LOXEHFRU2U5KU5AAGKXM6AO4CB","bundle":"https://pith.science/pith/LOXEHFRU2U5KU5AAGKXM6AO4CB/bundle.json","state":"https://pith.science/pith/LOXEHFRU2U5KU5AAGKXM6AO4CB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOXEHFRU2U5KU5AAGKXM6AO4CB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LOXEHFRU2U5KU5AAGKXM6AO4CB","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":"e195107d6e0d90e3d42271fd8034532e2e1d5d30338e6adb0b0d9fd65db81de2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-07T07:51:59Z","title_canon_sha256":"5b400268ad577b324a8af2190acc3fd52d3e05074fcd0452bbd9947baed03793"},"schema_version":"1.0","source":{"id":"1603.01968","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.01968","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1603.01968v1","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01968","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"LOXEHFRU2U5K","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LOXEHFRU2U5KU5AA","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LOXEHFRU","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:0ebc1ef49815ae96915cd2cebf21ea19482d978fa3394c85b8db196fe826c7f6","target":"graph","created_at":"2026-05-18T01:16:40Z","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":"We have measured the concentration, isotopic composition and thermal release profiles of Mercury (Hg) in a suite of meteorites, including both chondrites and achondrites. We find large variations in Hg concentration between different meteorites (ca. 10 ppb to 14'000 ppb), with the highest concentration orders of magnitude above the expected bulk solar system silicates value. From the presence of several different Hg carrier phases in thermal release profiles (150 to 650 {\\deg}C), we argue that these variations are unlikely to be mainly due to terrestrial contamination. The Hg abundance of mete","authors_text":"2), (2) Institute of Geochemistry, Bernard Marty (1) ((1) Centre de Recherches P\\'etrographiques et G\\'eochimiques (CRPG), Christophe Cloquet (1), CNRS, ETH Zurich), Matthias M. M. Meier (1, Petrology, Universit\\'e de Lorraine","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-07T07:51:59Z","title":"Mercury (Hg) in meteorites: variations in abundance, thermal release profile, mass-dependent and mass-independent isotopic fractionation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01968","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":"sha256:9cfe9ea306128292e2f940702f45bd3041138f0f134df6d953ea8c0fdba8292a","target":"record","created_at":"2026-05-18T01:16:40Z","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":"e195107d6e0d90e3d42271fd8034532e2e1d5d30338e6adb0b0d9fd65db81de2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-07T07:51:59Z","title_canon_sha256":"5b400268ad577b324a8af2190acc3fd52d3e05074fcd0452bbd9947baed03793"},"schema_version":"1.0","source":{"id":"1603.01968","kind":"arxiv","version":1}},"canonical_sha256":"5bae439634d53aaa740032aecf01dc1041cb254eab574c6394ff08f2977bd5e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5bae439634d53aaa740032aecf01dc1041cb254eab574c6394ff08f2977bd5e2","first_computed_at":"2026-05-18T01:16:40.023381Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:40.023381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SbQPRDEXd0UDUHt1x6cNmw4Rwbxo3P1rblmz5CO7B3hBleHqThE0DfBEAQl2TGmeoKgbQfxjNGTbEKh/lUTgBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:40.023947Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.01968","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9cfe9ea306128292e2f940702f45bd3041138f0f134df6d953ea8c0fdba8292a","sha256:0ebc1ef49815ae96915cd2cebf21ea19482d978fa3394c85b8db196fe826c7f6"],"state_sha256":"d9c49476f1ee44e45ffd7a57c61190aa75a1027aac631785874e22618b76cae8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DHWrsUzwLnJBcccbd30MmVQi3tRaYOR0rhp9slTNA6TkJaiVZkbmJDgnU2fnPcCHIKr5qmDNIxZPt1/SVEaECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T05:52:54.661484Z","bundle_sha256":"ad6d902d2ef82cb4cd54c547bf03c9ed0a2bb05d6a8922bf7d5399ccb34182d8"}}