{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5GG3DXAYNO34U6LTWGZ3D345M2","short_pith_number":"pith:5GG3DXAY","canonical_record":{"source":{"id":"1503.02308","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-03-08T18:53:07Z","cross_cats_sorted":[],"title_canon_sha256":"e839cbba0c6e2172fd5c0b22142557341cc2856201fbc4f45b41cc89fca3faa4","abstract_canon_sha256":"510334516dbbc0f045ae2e7a4632fca6e01cf5efe600492d22ea8070288a45cc"},"schema_version":"1.0"},"canonical_sha256":"e98db1dc186bb7ca7973b1b3b1ef9d66bc58e83f8f69c7d660bfb2515d8e520a","source":{"kind":"arxiv","id":"1503.02308","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02308","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02308v3","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02308","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"pith_short_12","alias_value":"5GG3DXAYNO34","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5GG3DXAYNO34U6LT","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5GG3DXAY","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5GG3DXAYNO34U6LTWGZ3D345M2","target":"record","payload":{"canonical_record":{"source":{"id":"1503.02308","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-03-08T18:53:07Z","cross_cats_sorted":[],"title_canon_sha256":"e839cbba0c6e2172fd5c0b22142557341cc2856201fbc4f45b41cc89fca3faa4","abstract_canon_sha256":"510334516dbbc0f045ae2e7a4632fca6e01cf5efe600492d22ea8070288a45cc"},"schema_version":"1.0"},"canonical_sha256":"e98db1dc186bb7ca7973b1b3b1ef9d66bc58e83f8f69c7d660bfb2515d8e520a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:51.833896Z","signature_b64":"ZevOtiLSN+c/++QQK8dnIKGokS6p17pDlQREkR/h3Yn/jBjObg0sdy75PnWVZjC60hkI8UIuZdx7MOoyi1o6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e98db1dc186bb7ca7973b1b3b1ef9d66bc58e83f8f69c7d660bfb2515d8e520a","last_reissued_at":"2026-05-18T01:33:51.833141Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:51.833141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.02308","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:33:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EMv8QbF3c7z7KZCAEZdYmN/XPUsDf1PiWhbYI26fw3I7hOLSQ9uXlqBWuUGPtWwp/bu1GD0JNdrgdCqs3lzMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:50:31.797211Z"},"content_sha256":"8b11c37719ada2e50d317f169c6b7a7cc3dec565d24c4c3d84407354e286c089","schema_version":"1.0","event_id":"sha256:8b11c37719ada2e50d317f169c6b7a7cc3dec565d24c4c3d84407354e286c089"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5GG3DXAYNO34U6LTWGZ3D345M2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variations in mid-ocean ridge CO2 emissions driven by glacial cycles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Jonathan M.A. Burley, Richard F. Katz","submitted_at":"2015-03-08T18:53:07Z","abstract_excerpt":"The geological record shows links between glacial cycles and volcanic productivity, both subaerially and at mid-ocean ridges. Sea-level-driven pressure changes could also affect chemical properties of mid-ocean ridge volcanism. We consider how changing sea-level could alter the CO2 emissions rate from mid-ocean ridges, on both the segment and global scale. We develop a simplified transport model for a highly incompatible element through a homogenous mantle; variations in the melt concentration the emission rate of the element are created by changes in the depth of first silicate melting. The m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02308","kind":"arxiv","version":3},"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":"2026-05-18T01:33:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4neEcNo9lVYEFR0QoTlQUyRY3NVWJ5D2+FbvQ+J/15MpjQkzQw7HwMMmfn/YrPNP7AwGNnIMYdBmGrK/pJscDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:50:31.797565Z"},"content_sha256":"2fcaa4940b84186fce8f99db0e014cae45872cb74f871e71e7131d6c2659a306","schema_version":"1.0","event_id":"sha256:2fcaa4940b84186fce8f99db0e014cae45872cb74f871e71e7131d6c2659a306"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5GG3DXAYNO34U6LTWGZ3D345M2/bundle.json","state_url":"https://pith.science/pith/5GG3DXAYNO34U6LTWGZ3D345M2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5GG3DXAYNO34U6LTWGZ3D345M2/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":"2026-06-09T14:50:31Z","links":{"resolver":"https://pith.science/pith/5GG3DXAYNO34U6LTWGZ3D345M2","bundle":"https://pith.science/pith/5GG3DXAYNO34U6LTWGZ3D345M2/bundle.json","state":"https://pith.science/pith/5GG3DXAYNO34U6LTWGZ3D345M2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5GG3DXAYNO34U6LTWGZ3D345M2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5GG3DXAYNO34U6LTWGZ3D345M2","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":"510334516dbbc0f045ae2e7a4632fca6e01cf5efe600492d22ea8070288a45cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-03-08T18:53:07Z","title_canon_sha256":"e839cbba0c6e2172fd5c0b22142557341cc2856201fbc4f45b41cc89fca3faa4"},"schema_version":"1.0","source":{"id":"1503.02308","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02308","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02308v3","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02308","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"pith_short_12","alias_value":"5GG3DXAYNO34","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5GG3DXAYNO34U6LT","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5GG3DXAY","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:2fcaa4940b84186fce8f99db0e014cae45872cb74f871e71e7131d6c2659a306","target":"graph","created_at":"2026-05-18T01:33:51Z","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 geological record shows links between glacial cycles and volcanic productivity, both subaerially and at mid-ocean ridges. Sea-level-driven pressure changes could also affect chemical properties of mid-ocean ridge volcanism. We consider how changing sea-level could alter the CO2 emissions rate from mid-ocean ridges, on both the segment and global scale. We develop a simplified transport model for a highly incompatible element through a homogenous mantle; variations in the melt concentration the emission rate of the element are created by changes in the depth of first silicate melting. The m","authors_text":"Jonathan M.A. Burley, Richard F. Katz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-03-08T18:53:07Z","title":"Variations in mid-ocean ridge CO2 emissions driven by glacial cycles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02308","kind":"arxiv","version":3},"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":"sha256:8b11c37719ada2e50d317f169c6b7a7cc3dec565d24c4c3d84407354e286c089","target":"record","created_at":"2026-05-18T01:33:51Z","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":"510334516dbbc0f045ae2e7a4632fca6e01cf5efe600492d22ea8070288a45cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-03-08T18:53:07Z","title_canon_sha256":"e839cbba0c6e2172fd5c0b22142557341cc2856201fbc4f45b41cc89fca3faa4"},"schema_version":"1.0","source":{"id":"1503.02308","kind":"arxiv","version":3}},"canonical_sha256":"e98db1dc186bb7ca7973b1b3b1ef9d66bc58e83f8f69c7d660bfb2515d8e520a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e98db1dc186bb7ca7973b1b3b1ef9d66bc58e83f8f69c7d660bfb2515d8e520a","first_computed_at":"2026-05-18T01:33:51.833141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:51.833141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZevOtiLSN+c/++QQK8dnIKGokS6p17pDlQREkR/h3Yn/jBjObg0sdy75PnWVZjC60hkI8UIuZdx7MOoyi1o6Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:51.833896Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.02308","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b11c37719ada2e50d317f169c6b7a7cc3dec565d24c4c3d84407354e286c089","sha256:2fcaa4940b84186fce8f99db0e014cae45872cb74f871e71e7131d6c2659a306"],"state_sha256":"de36a69b3fae4b1539a38e8e7a2ba556d258144777e78afb873c18628cfdadbd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DQ5JYljnyDAGJowWazk3ad6784E+5xzRHbVeky4/5TB5CuVK67xXhlw70PW2HSCCG1XRx6Pw5RQW8Sgq7sSZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T14:50:31.799509Z","bundle_sha256":"83b6b56d1526cc7de05bef31764ba634cd8b2d9945d14ce4668ac86035e2f91b"}}