{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JD52IG5RRD43NSUCGSNT4L2VTN","short_pith_number":"pith:JD52IG5R","canonical_record":{"source":{"id":"1611.01717","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-06T01:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"112aa843511c47a307aa954e4e92e6915bd6ed6750057a6f20fadb444fb595a3","abstract_canon_sha256":"8ba59e69bec3e3e67677186a846011fd496c9f62f3605fe1d4230a22030563e0"},"schema_version":"1.0"},"canonical_sha256":"48fba41bb188f9b6ca82349b3e2f559b59d79eb2e4b831c6d3af506eca291e9b","source":{"kind":"arxiv","id":"1611.01717","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JD52IG5RRD43NSUCGSNT4L2VTN","target":"record","payload":{"canonical_record":{"source":{"id":"1611.01717","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-11-06T01:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"112aa843511c47a307aa954e4e92e6915bd6ed6750057a6f20fadb444fb595a3","abstract_canon_sha256":"8ba59e69bec3e3e67677186a846011fd496c9f62f3605fe1d4230a22030563e0"},"schema_version":"1.0"},"canonical_sha256":"48fba41bb188f9b6ca82349b3e2f559b59d79eb2e4b831c6d3af506eca291e9b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:09.467842Z","signature_b64":"egM3HKB51+5fqYGdspLtbimcr1gvLo2tqgEuZ8A3vwV4+hTGMgC0H3phLSF0Y9QeT0rlDGn9dy+wvSK+AjugAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48fba41bb188f9b6ca82349b3e2f559b59d79eb2e4b831c6d3af506eca291e9b","last_reissued_at":"2026-05-18T00:00:09.467426Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:09.467426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.01717","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":"2026-05-18T00:00:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EZbxi9bqyMeUEobfAHDtv/TmHsd+7+y7Noyv+HxZqUbvzXO7buKgysIM/ftJ6NDUW93braWrjdKzVNDKwOqHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:44:13.604733Z"},"content_sha256":"05f1568441285a97cffbac3d66b01e7675437e986fe6362569698322b18188d3","schema_version":"1.0","event_id":"sha256:05f1568441285a97cffbac3d66b01e7675437e986fe6362569698322b18188d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JD52IG5RRD43NSUCGSNT4L2VTN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Methane bursts as a trigger for intermittent lake-forming climates on post-Noachian Mars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Colin Goldblatt, David P. Mayer, Edwin S. Kite, Michael A. Mischna, Peter Gao, Yuk L. Yung","submitted_at":"2016-11-06T01:58:51Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01717","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":"2026-05-18T00:00:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IKStIFxdf6RnBG3Z/HCDz6Mqu2sbRWZKPalR+uwnwEp0l7l8Zbk44MKgv4e5qBX9AS6Z80wcEd96ZvL9sihcDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:44:13.605129Z"},"content_sha256":"770d3f7da14a11367805598a7099bb81c891c8be17f930bc7c11fd0cd75975d0","schema_version":"1.0","event_id":"sha256:770d3f7da14a11367805598a7099bb81c891c8be17f930bc7c11fd0cd75975d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JD52IG5RRD43NSUCGSNT4L2VTN/bundle.json","state_url":"https://pith.science/pith/JD52IG5RRD43NSUCGSNT4L2VTN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JD52IG5RRD43NSUCGSNT4L2VTN/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":"2026-05-31T00:44:13Z","links":{"resolver":"https://pith.science/pith/JD52IG5RRD43NSUCGSNT4L2VTN","bundle":"https://pith.science/pith/JD52IG5RRD43NSUCGSNT4L2VTN/bundle.json","state":"https://pith.science/pith/JD52IG5RRD43NSUCGSNT4L2VTN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JD52IG5RRD43NSUCGSNT4L2VTN/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lg9/CFAkMdGR6gyK8hbK+6dzrFS1h6ew8IyVNtm/tpnUZobS9seUK7jHPRtDaog4KBu1fnzry81hKjpk0ZnrBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:44:13.607667Z","bundle_sha256":"0a32650d3c6ad94a56401ab6fe013ddba6bc2e481df0004075d016bd75362beb"}}