{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:AMFQXN5QXS3SQIM7TD46UUW5NN","short_pith_number":"pith:AMFQXN5Q","canonical_record":{"source":{"id":"1609.06996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2016-09-22T14:34:27Z","cross_cats_sorted":[],"title_canon_sha256":"7554cd448d9d2ce4db741c222efa8f041db9d2f1241a890804af52e2f559c5f8","abstract_canon_sha256":"f11481d6013e1c91b902e424be72fa423e1633331c4aa66eff5edd71791504a0"},"schema_version":"1.0"},"canonical_sha256":"030b0bb7b0bcb728219f98f9ea52dd6b4a77f4c2f63247d387a46956e39ddaa8","source":{"kind":"arxiv","id":"1609.06996","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.06996","created_at":"2026-05-18T00:33:22Z"},{"alias_kind":"arxiv_version","alias_value":"1609.06996v1","created_at":"2026-05-18T00:33:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.06996","created_at":"2026-05-18T00:33:22Z"},{"alias_kind":"pith_short_12","alias_value":"AMFQXN5QXS3S","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AMFQXN5QXS3SQIM7","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AMFQXN5Q","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:AMFQXN5QXS3SQIM7TD46UUW5NN","target":"record","payload":{"canonical_record":{"source":{"id":"1609.06996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2016-09-22T14:34:27Z","cross_cats_sorted":[],"title_canon_sha256":"7554cd448d9d2ce4db741c222efa8f041db9d2f1241a890804af52e2f559c5f8","abstract_canon_sha256":"f11481d6013e1c91b902e424be72fa423e1633331c4aa66eff5edd71791504a0"},"schema_version":"1.0"},"canonical_sha256":"030b0bb7b0bcb728219f98f9ea52dd6b4a77f4c2f63247d387a46956e39ddaa8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:22.901750Z","signature_b64":"Yvuj2lP0pFnRU3N8+ce0gdn227qJ/ZK1jv4bkLG1oIzI+IIZXfjNqjWP8uf8PJsBj3QhOoImCxqNBnhuwAsXDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"030b0bb7b0bcb728219f98f9ea52dd6b4a77f4c2f63247d387a46956e39ddaa8","last_reissued_at":"2026-05-18T00:33:22.901154Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:22.901154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.06996","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":"2026-05-18T00:33:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PSoQ28ZA3MZMGYr7iJ1meYuWZhQBZXLlMUTs9HF4QGcNLTO6WbvlI7pL/SIyia0HQQEW24Crwfj4a8zWebcnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:48:07.381826Z"},"content_sha256":"c95e83f74ede8f3d8ab0f882d672efad92e84e14212893d0138ab907a5ba2cba","schema_version":"1.0","event_id":"sha256:c95e83f74ede8f3d8ab0f882d672efad92e84e14212893d0138ab907a5ba2cba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:AMFQXN5QXS3SQIM7TD46UUW5NN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiative conductivity and abundance of post-perovskite in the lowermost mantle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Alexander F. Goncharov, Jung-Fu Lin, Nicholas Holtgrewe, Sergey S. Lobanov","submitted_at":"2016-09-22T14:34:27Z","abstract_excerpt":"Thermal conductivity of the lowermost mantle governs the heat flow out of the core energizing planetary-scale geological processes. Yet, there are no direct experimental measurements of thermal conductivity at relevant pressure-temperature conditions of Earth's core-mantle boundary. Here we determine the radiative conductivity of post-perovskite at near core-mantle boundary conditions by optical absorption measurements in a laser-heated diamond anvil cell. Our results show that the radiative conductivity of Mg0.9Fe0.1SiO3 post-perovskite (< 1.2 W/m/K) is ~ 40% smaller than bridgmanite at the b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.06996","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":"2026-05-18T00:33:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tKTuYadHSrTZpn3w+rerlhjXrcnxj/IBfs6pxHVU0HFetcw6rhchKd6HDKxri/sBexZFImgKym2Nb/igGYrdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:48:07.382167Z"},"content_sha256":"409a2b12fa59ab53bfdadc477d91f0c49db4d8e468e263dc786377d4b0aed1a9","schema_version":"1.0","event_id":"sha256:409a2b12fa59ab53bfdadc477d91f0c49db4d8e468e263dc786377d4b0aed1a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AMFQXN5QXS3SQIM7TD46UUW5NN/bundle.json","state_url":"https://pith.science/pith/AMFQXN5QXS3SQIM7TD46UUW5NN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AMFQXN5QXS3SQIM7TD46UUW5NN/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":"2026-05-28T14:48:07Z","links":{"resolver":"https://pith.science/pith/AMFQXN5QXS3SQIM7TD46UUW5NN","bundle":"https://pith.science/pith/AMFQXN5QXS3SQIM7TD46UUW5NN/bundle.json","state":"https://pith.science/pith/AMFQXN5QXS3SQIM7TD46UUW5NN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AMFQXN5QXS3SQIM7TD46UUW5NN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:AMFQXN5QXS3SQIM7TD46UUW5NN","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":"f11481d6013e1c91b902e424be72fa423e1633331c4aa66eff5edd71791504a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2016-09-22T14:34:27Z","title_canon_sha256":"7554cd448d9d2ce4db741c222efa8f041db9d2f1241a890804af52e2f559c5f8"},"schema_version":"1.0","source":{"id":"1609.06996","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.06996","created_at":"2026-05-18T00:33:22Z"},{"alias_kind":"arxiv_version","alias_value":"1609.06996v1","created_at":"2026-05-18T00:33:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.06996","created_at":"2026-05-18T00:33:22Z"},{"alias_kind":"pith_short_12","alias_value":"AMFQXN5QXS3S","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AMFQXN5QXS3SQIM7","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AMFQXN5Q","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:409a2b12fa59ab53bfdadc477d91f0c49db4d8e468e263dc786377d4b0aed1a9","target":"graph","created_at":"2026-05-18T00:33:22Z","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":"Thermal conductivity of the lowermost mantle governs the heat flow out of the core energizing planetary-scale geological processes. Yet, there are no direct experimental measurements of thermal conductivity at relevant pressure-temperature conditions of Earth's core-mantle boundary. Here we determine the radiative conductivity of post-perovskite at near core-mantle boundary conditions by optical absorption measurements in a laser-heated diamond anvil cell. Our results show that the radiative conductivity of Mg0.9Fe0.1SiO3 post-perovskite (< 1.2 W/m/K) is ~ 40% smaller than bridgmanite at the b","authors_text":"Alexander F. Goncharov, Jung-Fu Lin, Nicholas Holtgrewe, Sergey S. Lobanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2016-09-22T14:34:27Z","title":"Radiative conductivity and abundance of post-perovskite in the lowermost mantle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.06996","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:c95e83f74ede8f3d8ab0f882d672efad92e84e14212893d0138ab907a5ba2cba","target":"record","created_at":"2026-05-18T00:33:22Z","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":"f11481d6013e1c91b902e424be72fa423e1633331c4aa66eff5edd71791504a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2016-09-22T14:34:27Z","title_canon_sha256":"7554cd448d9d2ce4db741c222efa8f041db9d2f1241a890804af52e2f559c5f8"},"schema_version":"1.0","source":{"id":"1609.06996","kind":"arxiv","version":1}},"canonical_sha256":"030b0bb7b0bcb728219f98f9ea52dd6b4a77f4c2f63247d387a46956e39ddaa8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"030b0bb7b0bcb728219f98f9ea52dd6b4a77f4c2f63247d387a46956e39ddaa8","first_computed_at":"2026-05-18T00:33:22.901154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:22.901154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yvuj2lP0pFnRU3N8+ce0gdn227qJ/ZK1jv4bkLG1oIzI+IIZXfjNqjWP8uf8PJsBj3QhOoImCxqNBnhuwAsXDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:22.901750Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.06996","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c95e83f74ede8f3d8ab0f882d672efad92e84e14212893d0138ab907a5ba2cba","sha256:409a2b12fa59ab53bfdadc477d91f0c49db4d8e468e263dc786377d4b0aed1a9"],"state_sha256":"9df319a388c78324cda058f00385b02933fcb2eecfd470ced732382f60cec82c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hr6x/t85kg7sbBr3bP5A3RdurQoy7Xdrk//rSdGYNIi7RzkB18OtYVK8O9Ws7VlD90s3YcmB5r6H93i7HyE/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:48:07.384081Z","bundle_sha256":"5af024d765d98367758b41dc2396fbecc26253ac7bc90f6047c0b639f7c1afa4"}}