{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JD52IG5RRD43NSUCGSNT4L2VTN","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":"8ba59e69bec3e3e67677186a846011fd496c9f62f3605fe1d4230a22030563e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-06T01:58:51Z","title_canon_sha256":"112aa843511c47a307aa954e4e92e6915bd6ed6750057a6f20fadb444fb595a3"},"schema_version":"1.0","source":{"id":"1611.01717","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01717","created_at":"2026-05-18T00:00:09Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01717v2","created_at":"2026-05-18T00:00:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01717","created_at":"2026-05-18T00:00:09Z"},{"alias_kind":"pith_short_12","alias_value":"JD52IG5RRD43","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JD52IG5RRD43NSUC","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JD52IG5R","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:770d3f7da14a11367805598a7099bb81c891c8be17f930bc7c11fd0cd75975d0","target":"graph","created_at":"2026-05-18T00:00:09Z","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":"Lakes existed on Mars later than 3.6 billion years ago, according to sedimentary evidence for deltaic deposition. The observed fluvio-lacustrine deposits suggest that individual lake-forming climates persisted for at least several thousand years (assuming dilute flow). But the lake watersheds' little weathered soils indicate a largely dry climate history, with intermittent runoff events. Here we show that these observational constraints, while inconsistent with many previously-proposed triggers for lake-forming climates, are consistent with a methane burst scenario. In this scenario, chaotic t","authors_text":"Colin Goldblatt, David P. Mayer, Edwin S. Kite, Michael A. Mischna, Peter Gao, Yuk L. Yung","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-06T01:58:51Z","title":"Methane bursts as a trigger for intermittent lake-forming climates on post-Noachian Mars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01717","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":"sha256:05f1568441285a97cffbac3d66b01e7675437e986fe6362569698322b18188d3","target":"record","created_at":"2026-05-18T00:00:09Z","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":"8ba59e69bec3e3e67677186a846011fd496c9f62f3605fe1d4230a22030563e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-06T01:58:51Z","title_canon_sha256":"112aa843511c47a307aa954e4e92e6915bd6ed6750057a6f20fadb444fb595a3"},"schema_version":"1.0","source":{"id":"1611.01717","kind":"arxiv","version":2}},"canonical_sha256":"48fba41bb188f9b6ca82349b3e2f559b59d79eb2e4b831c6d3af506eca291e9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48fba41bb188f9b6ca82349b3e2f559b59d79eb2e4b831c6d3af506eca291e9b","first_computed_at":"2026-05-18T00:00:09.467426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:09.467426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"egM3HKB51+5fqYGdspLtbimcr1gvLo2tqgEuZ8A3vwV4+hTGMgC0H3phLSF0Y9QeT0rlDGn9dy+wvSK+AjugAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:09.467842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.01717","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05f1568441285a97cffbac3d66b01e7675437e986fe6362569698322b18188d3","sha256:770d3f7da14a11367805598a7099bb81c891c8be17f930bc7c11fd0cd75975d0"],"state_sha256":"5e89e62d8842aa2740b49d9884469bdcb6dcee5e5600b1a5b600622a79c7a0fd"}