{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CRVKBTXUXN6CZO22SGZOUR4JWM","short_pith_number":"pith:CRVKBTXU","canonical_record":{"source":{"id":"1604.02106","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-04-07T18:49:52Z","cross_cats_sorted":[],"title_canon_sha256":"d7a273eb71524f3717b9d39aa6795a39c7809d8c960c43b9c213cced8f4ceeab","abstract_canon_sha256":"6c07350242f334ad6a9d62f34ac2e8478e2ef05cf18ab0fc3c0231b743e8cf6b"},"schema_version":"1.0"},"canonical_sha256":"146aa0cef4bb7c2cbb5a91b2ea4789b32c8629fd1bd7da1286769a79e8b7c484","source":{"kind":"arxiv","id":"1604.02106","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.02106","created_at":"2026-05-18T01:17:31Z"},{"alias_kind":"arxiv_version","alias_value":"1604.02106v1","created_at":"2026-05-18T01:17:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.02106","created_at":"2026-05-18T01:17:31Z"},{"alias_kind":"pith_short_12","alias_value":"CRVKBTXUXN6C","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CRVKBTXUXN6CZO22","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CRVKBTXU","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CRVKBTXUXN6CZO22SGZOUR4JWM","target":"record","payload":{"canonical_record":{"source":{"id":"1604.02106","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-04-07T18:49:52Z","cross_cats_sorted":[],"title_canon_sha256":"d7a273eb71524f3717b9d39aa6795a39c7809d8c960c43b9c213cced8f4ceeab","abstract_canon_sha256":"6c07350242f334ad6a9d62f34ac2e8478e2ef05cf18ab0fc3c0231b743e8cf6b"},"schema_version":"1.0"},"canonical_sha256":"146aa0cef4bb7c2cbb5a91b2ea4789b32c8629fd1bd7da1286769a79e8b7c484","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:31.262839Z","signature_b64":"arNHVfwFtE0lIe9/yRd4Me8sDsFBWNTV0RLtGEg5M9OSbaU3583CW/5SGG2yY66ts3snKiZMViU3omvIeRz0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"146aa0cef4bb7c2cbb5a91b2ea4789b32c8629fd1bd7da1286769a79e8b7c484","last_reissued_at":"2026-05-18T01:17:31.262333Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:31.262333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.02106","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":"2026-05-18T01:17:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pnwrOWDIxP51k32cXFR9vmN20MPKiEtxPkl0Ecvs8GHCwh5P7TmksLhW1NvrkSaTCtFwuqHVVI4c0yNh+arFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:07:23.082885Z"},"content_sha256":"336bf8d51e067b716acb70e63dca70c4e55fd4a24e405b4c9d4019282ddad7a6","schema_version":"1.0","event_id":"sha256:336bf8d51e067b716acb70e63dca70c4e55fd4a24e405b4c9d4019282ddad7a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CRVKBTXUXN6CZO22SGZOUR4JWM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observing the carbon-climate system","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.ao-ph","authors_text":"Abhishek Chatterjee, Anastasia Romanou, Andrew Schuh, Berrien Moore III, Cecile Rousseaux, Charles Koven, Charles Miller, Chris ODell, Christopher Williams, Compton Tucker, David Baker, David Schimel, Deborah Huntzinger, Elena Shevliakova, Galen McKinley, George Hurtt, Haris Riris, Jeff Masek, Joe Berry, John Miller, Kathy Hibbard, Ken Jucks, Kevin Bowman, Kevin Gurney, Leslie Ott, Michael Puma, Michelle Gierach, Paul Moorcroft, Phillipe Ciais David Crisp, Pierre Friedlingstein, Piers Sellers, Randy Kawa, Randy Koster, Ray Nassar, Richard A Houghton, Riley Duren, Scott Denning, Sean Crowell, Steven Pawson, Tatsuya Yokota, Tristan Quaife, Xiangming Xiao, Ying Ping Wang, Yiqi Luo","submitted_at":"2016-04-07T18:49:52Z","abstract_excerpt":"Increases in atmospheric CO2 and CH4 result from a combination of forcing from anthropogenic emissions and Earth System feedbacks that reduce or amplify the effects of those emissions on atmospheric concentrations. Despite decades of research carbon-climate feedbacks remain poorly quantified. The impact of these uncertainties on future climate are of increasing concern, especially in the wake of recent climate negotiations. Emissions, long concentrated in the developed world, are now shifting to developing countries, where the emissions inventories have larger uncertainties. The fraction of an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.02106","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":"2026-05-18T01:17:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/zYcvpZpGn901rg7yhAT1QbnheDTGdyrJo3aVPxU8dzwxQuGYMWC91+VATr3k5WoL5k8QI7NJbhmHl63jo+TAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:07:23.083717Z"},"content_sha256":"c53b3f28a17a65996b361208c1f77ced7b1cc4e5902dac9ab35b8280fee2af6c","schema_version":"1.0","event_id":"sha256:c53b3f28a17a65996b361208c1f77ced7b1cc4e5902dac9ab35b8280fee2af6c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CRVKBTXUXN6CZO22SGZOUR4JWM/bundle.json","state_url":"https://pith.science/pith/CRVKBTXUXN6CZO22SGZOUR4JWM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CRVKBTXUXN6CZO22SGZOUR4JWM/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":"2026-05-31T14:07:23Z","links":{"resolver":"https://pith.science/pith/CRVKBTXUXN6CZO22SGZOUR4JWM","bundle":"https://pith.science/pith/CRVKBTXUXN6CZO22SGZOUR4JWM/bundle.json","state":"https://pith.science/pith/CRVKBTXUXN6CZO22SGZOUR4JWM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CRVKBTXUXN6CZO22SGZOUR4JWM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CRVKBTXUXN6CZO22SGZOUR4JWM","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":"6c07350242f334ad6a9d62f34ac2e8478e2ef05cf18ab0fc3c0231b743e8cf6b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-04-07T18:49:52Z","title_canon_sha256":"d7a273eb71524f3717b9d39aa6795a39c7809d8c960c43b9c213cced8f4ceeab"},"schema_version":"1.0","source":{"id":"1604.02106","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.02106","created_at":"2026-05-18T01:17:31Z"},{"alias_kind":"arxiv_version","alias_value":"1604.02106v1","created_at":"2026-05-18T01:17:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.02106","created_at":"2026-05-18T01:17:31Z"},{"alias_kind":"pith_short_12","alias_value":"CRVKBTXUXN6C","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CRVKBTXUXN6CZO22","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CRVKBTXU","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:c53b3f28a17a65996b361208c1f77ced7b1cc4e5902dac9ab35b8280fee2af6c","target":"graph","created_at":"2026-05-18T01:17:31Z","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":"Increases in atmospheric CO2 and CH4 result from a combination of forcing from anthropogenic emissions and Earth System feedbacks that reduce or amplify the effects of those emissions on atmospheric concentrations. Despite decades of research carbon-climate feedbacks remain poorly quantified. The impact of these uncertainties on future climate are of increasing concern, especially in the wake of recent climate negotiations. Emissions, long concentrated in the developed world, are now shifting to developing countries, where the emissions inventories have larger uncertainties. The fraction of an","authors_text":"Abhishek Chatterjee, Anastasia Romanou, Andrew Schuh, Berrien Moore III, Cecile Rousseaux, Charles Koven, Charles Miller, Chris ODell, Christopher Williams, Compton Tucker, David Baker, David Schimel, Deborah Huntzinger, Elena Shevliakova, Galen McKinley, George Hurtt, Haris Riris, Jeff Masek, Joe Berry, John Miller, Kathy Hibbard, Ken Jucks, Kevin Bowman, Kevin Gurney, Leslie Ott, Michael Puma, Michelle Gierach, Paul Moorcroft, Phillipe Ciais David Crisp, Pierre Friedlingstein, Piers Sellers, Randy Kawa, Randy Koster, Ray Nassar, Richard A Houghton, Riley Duren, Scott Denning, Sean Crowell, Steven Pawson, Tatsuya Yokota, Tristan Quaife, Xiangming Xiao, Ying Ping Wang, Yiqi Luo","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-04-07T18:49:52Z","title":"Observing the carbon-climate system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.02106","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":"sha256:336bf8d51e067b716acb70e63dca70c4e55fd4a24e405b4c9d4019282ddad7a6","target":"record","created_at":"2026-05-18T01:17:31Z","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":"6c07350242f334ad6a9d62f34ac2e8478e2ef05cf18ab0fc3c0231b743e8cf6b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-04-07T18:49:52Z","title_canon_sha256":"d7a273eb71524f3717b9d39aa6795a39c7809d8c960c43b9c213cced8f4ceeab"},"schema_version":"1.0","source":{"id":"1604.02106","kind":"arxiv","version":1}},"canonical_sha256":"146aa0cef4bb7c2cbb5a91b2ea4789b32c8629fd1bd7da1286769a79e8b7c484","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"146aa0cef4bb7c2cbb5a91b2ea4789b32c8629fd1bd7da1286769a79e8b7c484","first_computed_at":"2026-05-18T01:17:31.262333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:31.262333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"arNHVfwFtE0lIe9/yRd4Me8sDsFBWNTV0RLtGEg5M9OSbaU3583CW/5SGG2yY66ts3snKiZMViU3omvIeRz0BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:31.262839Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.02106","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:336bf8d51e067b716acb70e63dca70c4e55fd4a24e405b4c9d4019282ddad7a6","sha256:c53b3f28a17a65996b361208c1f77ced7b1cc4e5902dac9ab35b8280fee2af6c"],"state_sha256":"1e23015b34dee2b3b588b29b3f14277b6f5abc1879515083b2bff8c6177cb355"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VYp1yatRaZ8vWdJpSvuoOxi7ouH/Kh7Hyw8sqeT+TyHOZUag1NotPxVafxmwQEh3nj8G0LkxIDMyjg3eP4H2Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T14:07:23.088427Z","bundle_sha256":"33594126638f411b40bfedb7c68a64b90e37bddf55512549e1070cabaa80a1f7"}}