{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ADLTRJ7E4QANQYYE7XXPBVHGUL","short_pith_number":"pith:ADLTRJ7E","canonical_record":{"source":{"id":"1502.05893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-20T15:04:57Z","cross_cats_sorted":[],"title_canon_sha256":"da2419ae14adceff8303bff9770ab50935852637e98f8c9d15b92a071dc5a157","abstract_canon_sha256":"7fa66158758833b3c61b431b2a43629e97600cfed66f808671fb12bab026b673"},"schema_version":"1.0"},"canonical_sha256":"00d738a7e4e400d86304fdeef0d4e6a2da0b28004f5811afb8165afe5d972bdf","source":{"kind":"arxiv","id":"1502.05893","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05893","created_at":"2026-05-18T02:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05893v1","created_at":"2026-05-18T02:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05893","created_at":"2026-05-18T02:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"ADLTRJ7E4QAN","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"ADLTRJ7E4QANQYYE","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"ADLTRJ7E","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ADLTRJ7E4QANQYYE7XXPBVHGUL","target":"record","payload":{"canonical_record":{"source":{"id":"1502.05893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-20T15:04:57Z","cross_cats_sorted":[],"title_canon_sha256":"da2419ae14adceff8303bff9770ab50935852637e98f8c9d15b92a071dc5a157","abstract_canon_sha256":"7fa66158758833b3c61b431b2a43629e97600cfed66f808671fb12bab026b673"},"schema_version":"1.0"},"canonical_sha256":"00d738a7e4e400d86304fdeef0d4e6a2da0b28004f5811afb8165afe5d972bdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:44.551533Z","signature_b64":"UxK/KzABut+/CaqUeUYziLxlxnS4bmPVjZ3Nu+ifVGelWERUSc8tLw20haTXTOH9XuPyWOLzN4AQhym1WeNEBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00d738a7e4e400d86304fdeef0d4e6a2da0b28004f5811afb8165afe5d972bdf","last_reissued_at":"2026-05-18T02:26:44.551096Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:44.551096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.05893","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":"2026-05-18T02:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZobpNOG6tV8j9LBWvk8OZUnNQDnpCjZi37I6rErSULw1D6Od4zWorkBNPe2+xkV6VIfW7VEdoB281umpg+hwDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:41:28.069080Z"},"content_sha256":"f0056d36046d5212e303035e11867534da28e19340d6478a3740b838da84cbec","schema_version":"1.0","event_id":"sha256:f0056d36046d5212e303035e11867534da28e19340d6478a3740b838da84cbec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ADLTRJ7E4QANQYYE7XXPBVHGUL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Saturn's Great Storm of 2010-2011: Evidence for ammonia and water ices from analysis of VIMS spectra","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Kevin Baines, Lawrence Sromovsky, Patrick Fry","submitted_at":"2015-02-20T15:04:57Z","abstract_excerpt":"Our analysis of Cassini/VIMS near-infrared spectra of Saturn's Great Storm of 2010-2011 reveals a multi-component aerosol composition comprised primarily of ammonia ice, with a significant component of water ice. The most likely third component is ammonium hydrosulfide or some weakly absorbing material similar to what dominates visible clouds outside the storm region. Horizontally heterogeneous models favor ammonium hydrosulfide as the third component, while horizontally uniform models favor the weak absorber. Both models rely on water ice absorption to compensate for residual spectral gradien"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05893","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":"2026-05-18T02:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"atrENUTj0xwfHW1zHnCoHnxJTPIpnk0tYfISe23M6OFyRD3Vzgs/Z6HabsJ28sk7KgmKXQhSpvFQ8ojf/VKuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:41:28.069742Z"},"content_sha256":"51bd070f94296015215864812227e9d4a5e4dc107ecc0e115b642c11fb1f7b73","schema_version":"1.0","event_id":"sha256:51bd070f94296015215864812227e9d4a5e4dc107ecc0e115b642c11fb1f7b73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ADLTRJ7E4QANQYYE7XXPBVHGUL/bundle.json","state_url":"https://pith.science/pith/ADLTRJ7E4QANQYYE7XXPBVHGUL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ADLTRJ7E4QANQYYE7XXPBVHGUL/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":"2026-06-06T21:41:28Z","links":{"resolver":"https://pith.science/pith/ADLTRJ7E4QANQYYE7XXPBVHGUL","bundle":"https://pith.science/pith/ADLTRJ7E4QANQYYE7XXPBVHGUL/bundle.json","state":"https://pith.science/pith/ADLTRJ7E4QANQYYE7XXPBVHGUL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ADLTRJ7E4QANQYYE7XXPBVHGUL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ADLTRJ7E4QANQYYE7XXPBVHGUL","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":"7fa66158758833b3c61b431b2a43629e97600cfed66f808671fb12bab026b673","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-20T15:04:57Z","title_canon_sha256":"da2419ae14adceff8303bff9770ab50935852637e98f8c9d15b92a071dc5a157"},"schema_version":"1.0","source":{"id":"1502.05893","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05893","created_at":"2026-05-18T02:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05893v1","created_at":"2026-05-18T02:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05893","created_at":"2026-05-18T02:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"ADLTRJ7E4QAN","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"ADLTRJ7E4QANQYYE","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"ADLTRJ7E","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:51bd070f94296015215864812227e9d4a5e4dc107ecc0e115b642c11fb1f7b73","target":"graph","created_at":"2026-05-18T02:26:44Z","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":"Our analysis of Cassini/VIMS near-infrared spectra of Saturn's Great Storm of 2010-2011 reveals a multi-component aerosol composition comprised primarily of ammonia ice, with a significant component of water ice. The most likely third component is ammonium hydrosulfide or some weakly absorbing material similar to what dominates visible clouds outside the storm region. Horizontally heterogeneous models favor ammonium hydrosulfide as the third component, while horizontally uniform models favor the weak absorber. Both models rely on water ice absorption to compensate for residual spectral gradien","authors_text":"Kevin Baines, Lawrence Sromovsky, Patrick Fry","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-20T15:04:57Z","title":"Saturn's Great Storm of 2010-2011: Evidence for ammonia and water ices from analysis of VIMS spectra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05893","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:f0056d36046d5212e303035e11867534da28e19340d6478a3740b838da84cbec","target":"record","created_at":"2026-05-18T02:26:44Z","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":"7fa66158758833b3c61b431b2a43629e97600cfed66f808671fb12bab026b673","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-20T15:04:57Z","title_canon_sha256":"da2419ae14adceff8303bff9770ab50935852637e98f8c9d15b92a071dc5a157"},"schema_version":"1.0","source":{"id":"1502.05893","kind":"arxiv","version":1}},"canonical_sha256":"00d738a7e4e400d86304fdeef0d4e6a2da0b28004f5811afb8165afe5d972bdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00d738a7e4e400d86304fdeef0d4e6a2da0b28004f5811afb8165afe5d972bdf","first_computed_at":"2026-05-18T02:26:44.551096Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:44.551096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UxK/KzABut+/CaqUeUYziLxlxnS4bmPVjZ3Nu+ifVGelWERUSc8tLw20haTXTOH9XuPyWOLzN4AQhym1WeNEBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:44.551533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.05893","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0056d36046d5212e303035e11867534da28e19340d6478a3740b838da84cbec","sha256:51bd070f94296015215864812227e9d4a5e4dc107ecc0e115b642c11fb1f7b73"],"state_sha256":"1cb843d1152587237c92876498dde837a133a1ce38d7c7c347570b2bb7597089"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CB/l/cI7dv/woCo1yYDrphfFHpZwX+4Yten8FwUjt9+3U/wYX5aAPv1b8wCBf1NiCdgmObT6nGuhwRFyx0iyCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T21:41:28.072588Z","bundle_sha256":"0495cdf8883f8062f0c3f27e4a2e42678f63ac7286f8f63898713cd194b36767"}}