{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KED7JCICTPACUEKYYPHR3ZHOMO","short_pith_number":"pith:KED7JCIC","canonical_record":{"source":{"id":"1408.4976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2014-08-21T12:43:28Z","cross_cats_sorted":[],"title_canon_sha256":"72a0af7d9a577488d5413a70964eb808fd08ae81a5715c6f7c20dac3b23a03b6","abstract_canon_sha256":"eab52c507a56184da5e3e0ed48f6fd6ec9f9f2cc57e72ebf25db091e87a652f1"},"schema_version":"1.0"},"canonical_sha256":"5107f489029bc02a1158c3cf1de4ee63be85705a4e5473be66e660a00b1978e8","source":{"kind":"arxiv","id":"1408.4976","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4976","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4976v2","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4976","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"pith_short_12","alias_value":"KED7JCICTPAC","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KED7JCICTPACUEKY","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KED7JCIC","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KED7JCICTPACUEKYYPHR3ZHOMO","target":"record","payload":{"canonical_record":{"source":{"id":"1408.4976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2014-08-21T12:43:28Z","cross_cats_sorted":[],"title_canon_sha256":"72a0af7d9a577488d5413a70964eb808fd08ae81a5715c6f7c20dac3b23a03b6","abstract_canon_sha256":"eab52c507a56184da5e3e0ed48f6fd6ec9f9f2cc57e72ebf25db091e87a652f1"},"schema_version":"1.0"},"canonical_sha256":"5107f489029bc02a1158c3cf1de4ee63be85705a4e5473be66e660a00b1978e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:31.451934Z","signature_b64":"CJqZ087zi6hn1jinR5jZ0hxbCt2hNa2fU2KDn1jxXTRIHGc3fMpzIFLG3L4OkqKgwLDHgiICg94l9WuN3MtLBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5107f489029bc02a1158c3cf1de4ee63be85705a4e5473be66e660a00b1978e8","last_reissued_at":"2026-05-18T01:49:31.451377Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:31.451377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.4976","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:49:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KcSeMjvEDMktkY4hKAnAijIVmay1T1yVtIMbo7Av3v/OMbqegxyUB7VGnjkmMBHpvD3rdYxw/LI7VAzZhMPfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T19:54:08.459878Z"},"content_sha256":"b09cf18458030e5044e97c8e0edd580037bd3f138da62cb936cb3183e370cfc9","schema_version":"1.0","event_id":"sha256:b09cf18458030e5044e97c8e0edd580037bd3f138da62cb936cb3183e370cfc9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KED7JCICTPACUEKYYPHR3ZHOMO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Glacial cycles drive variations in the production of oceanic crust","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Charles H. Langmuir, John W. Crowley, Peter J. Huybers, Richard F. Katz, Sung-Hyun Park","submitted_at":"2014-08-21T12:43:28Z","abstract_excerpt":"Glacial cycles redistribute water between oceans and continents causing pressure changes in the upper mantle, with consequences for melting of Earth's interior. Using Plio-Pleistocene sea-level variations as a forcing function, theoretical models of mid-ocean ridge dynamics that include melt transport predict temporal variations in crustal thickness of hundreds of meters. New bathymetry from the Australian-Antarctic ridge shows significant spectral energy near the Milankovitch periods of 23, 41, and 100 ky, consistent with model predictions. These results suggest that abyssal hills, one of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4976","kind":"arxiv","version":2},"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":"2026-05-18T01:49:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8/O2N42bebShPr5Iyek3ZBn6EcNgrLFCBPVEltS04wrBdeZytul1NC6289VwBKb6MYoTGY061bj5ysC+K9GUBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T19:54:08.460621Z"},"content_sha256":"7f4e822315bd924a452391317b61713b4c5aca4d0dc26fa10e5a7822f59dd897","schema_version":"1.0","event_id":"sha256:7f4e822315bd924a452391317b61713b4c5aca4d0dc26fa10e5a7822f59dd897"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KED7JCICTPACUEKYYPHR3ZHOMO/bundle.json","state_url":"https://pith.science/pith/KED7JCICTPACUEKYYPHR3ZHOMO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KED7JCICTPACUEKYYPHR3ZHOMO/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":"2026-06-09T19:54:08Z","links":{"resolver":"https://pith.science/pith/KED7JCICTPACUEKYYPHR3ZHOMO","bundle":"https://pith.science/pith/KED7JCICTPACUEKYYPHR3ZHOMO/bundle.json","state":"https://pith.science/pith/KED7JCICTPACUEKYYPHR3ZHOMO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KED7JCICTPACUEKYYPHR3ZHOMO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KED7JCICTPACUEKYYPHR3ZHOMO","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":"eab52c507a56184da5e3e0ed48f6fd6ec9f9f2cc57e72ebf25db091e87a652f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2014-08-21T12:43:28Z","title_canon_sha256":"72a0af7d9a577488d5413a70964eb808fd08ae81a5715c6f7c20dac3b23a03b6"},"schema_version":"1.0","source":{"id":"1408.4976","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4976","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4976v2","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4976","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"pith_short_12","alias_value":"KED7JCICTPAC","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KED7JCICTPACUEKY","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KED7JCIC","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:7f4e822315bd924a452391317b61713b4c5aca4d0dc26fa10e5a7822f59dd897","target":"graph","created_at":"2026-05-18T01:49:31Z","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":"Glacial cycles redistribute water between oceans and continents causing pressure changes in the upper mantle, with consequences for melting of Earth's interior. Using Plio-Pleistocene sea-level variations as a forcing function, theoretical models of mid-ocean ridge dynamics that include melt transport predict temporal variations in crustal thickness of hundreds of meters. New bathymetry from the Australian-Antarctic ridge shows significant spectral energy near the Milankovitch periods of 23, 41, and 100 ky, consistent with model predictions. These results suggest that abyssal hills, one of the","authors_text":"Charles H. Langmuir, John W. Crowley, Peter J. Huybers, Richard F. Katz, Sung-Hyun Park","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2014-08-21T12:43:28Z","title":"Glacial cycles drive variations in the production of oceanic crust"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4976","kind":"arxiv","version":2},"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:b09cf18458030e5044e97c8e0edd580037bd3f138da62cb936cb3183e370cfc9","target":"record","created_at":"2026-05-18T01:49:31Z","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":"eab52c507a56184da5e3e0ed48f6fd6ec9f9f2cc57e72ebf25db091e87a652f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2014-08-21T12:43:28Z","title_canon_sha256":"72a0af7d9a577488d5413a70964eb808fd08ae81a5715c6f7c20dac3b23a03b6"},"schema_version":"1.0","source":{"id":"1408.4976","kind":"arxiv","version":2}},"canonical_sha256":"5107f489029bc02a1158c3cf1de4ee63be85705a4e5473be66e660a00b1978e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5107f489029bc02a1158c3cf1de4ee63be85705a4e5473be66e660a00b1978e8","first_computed_at":"2026-05-18T01:49:31.451377Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:31.451377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CJqZ087zi6hn1jinR5jZ0hxbCt2hNa2fU2KDn1jxXTRIHGc3fMpzIFLG3L4OkqKgwLDHgiICg94l9WuN3MtLBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:31.451934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.4976","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b09cf18458030e5044e97c8e0edd580037bd3f138da62cb936cb3183e370cfc9","sha256:7f4e822315bd924a452391317b61713b4c5aca4d0dc26fa10e5a7822f59dd897"],"state_sha256":"3db33aa014c56d548d46eced683c61d0c021e1672bcf35375698006e1d3d8abf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SeEQ10QgibfU+xNQLdmiN5CSAOjh667SUanelOw+V++/T1pgFtOLLEIwgyG/0ZSKiEbfhLPuTCFLDW2O55bBCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T19:54:08.464458Z","bundle_sha256":"ba86311d1514055442f350c0472f8a03132904c25d8062b5c08ad62db05787f2"}}