{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6LYSMNH7OA64DYR2ZX7ZKWJNNT","short_pith_number":"pith:6LYSMNH7","canonical_record":{"source":{"id":"1709.08854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-26T06:19:55Z","cross_cats_sorted":[],"title_canon_sha256":"1fcf877b3f7aee918eb557ce1ed142d6629dfd8e6ac531198f87e9525956c403","abstract_canon_sha256":"d5f5783dc9b3b114247870717b22024eb6b565bff394caf907a5db144fe25005"},"schema_version":"1.0"},"canonical_sha256":"f2f12634ff703dc1e23acdff95592d6ce4e060f2557f493c17a7c976e3f7dbc6","source":{"kind":"arxiv","id":"1709.08854","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.08854","created_at":"2026-05-18T00:34:21Z"},{"alias_kind":"arxiv_version","alias_value":"1709.08854v1","created_at":"2026-05-18T00:34:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.08854","created_at":"2026-05-18T00:34:21Z"},{"alias_kind":"pith_short_12","alias_value":"6LYSMNH7OA64","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6LYSMNH7OA64DYR2","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6LYSMNH7","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6LYSMNH7OA64DYR2ZX7ZKWJNNT","target":"record","payload":{"canonical_record":{"source":{"id":"1709.08854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-26T06:19:55Z","cross_cats_sorted":[],"title_canon_sha256":"1fcf877b3f7aee918eb557ce1ed142d6629dfd8e6ac531198f87e9525956c403","abstract_canon_sha256":"d5f5783dc9b3b114247870717b22024eb6b565bff394caf907a5db144fe25005"},"schema_version":"1.0"},"canonical_sha256":"f2f12634ff703dc1e23acdff95592d6ce4e060f2557f493c17a7c976e3f7dbc6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:21.722190Z","signature_b64":"oDUe3zJ6kbtB/kE7LDEtSC2HeJUX4XNsubgzsQFHWjkSsICsJgIDUBijpcUVgLesb6CNMQBc0drocGh7FOD9DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2f12634ff703dc1e23acdff95592d6ce4e060f2557f493c17a7c976e3f7dbc6","last_reissued_at":"2026-05-18T00:34:21.721598Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:21.721598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.08854","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":"2026-05-18T00:34:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gugmejtmz6w8NuOV0M61XJaVphSsGC0KZbTF/QojevCQBDZBAsgocCuYTXM5617scaSNvaFupbGB6AU7Az33DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:33:51.095812Z"},"content_sha256":"2ae8a04518802372cc173abcd258ccecb399b32a301cacfb08a556ac32a6a481","schema_version":"1.0","event_id":"sha256:2ae8a04518802372cc173abcd258ccecb399b32a301cacfb08a556ac32a6a481"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6LYSMNH7OA64DYR2ZX7ZKWJNNT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neptune long-lived atmospheric features in 2013-2015 from small (28-cm) to large (10-m) telescopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Sanchez-Lavega, A. Simon, A. Wesley, C. Baranec, D. Gavel, D. Millika, E. L. Gates, E. Victor Garcia, F. Colas, G. S. Orton, H. B. Hammel, I. de Pater, I. Mendikoa, I. Ordonez-Etxeberria, J. F. Rojas, J. Guarro, J. M. Gomez-Forrellad, J. Sussenbach, J. W. Tollefson, K. de Kleer, K. Sayanagi, L. Sromovsky, M. Delcroix, M. H. Wong, N. M. Law, P. Fry, P. Gorczynski, P. Miles, P. Nicholas, R. Hueso, R. Riddle, S. H. Luszcz-Cook, S. M. Ammons, S. Perez-Hoyos, W. Kivits","submitted_at":"2017-09-26T06:19:55Z","abstract_excerpt":"Since 2013, observations of Neptune with small telescopes have resulted in several detections of long-lived bright atmospheric features that have also been observed by large telescopes such as Keck II or Hubble. The combination of both types of images allows the study of the long term evolution of major cloud systems in the planet. In 2013 and 2014 two bright features were present on the planet at southern mid latitudes. These may have merged in late 2014, possibly leading to the formation of a single bright feature observed during 2015 at the same latitude. This cloud system was first observe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.08854","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":"2026-05-18T00:34:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PiDXfdfgQsJQqr854Lo6I73au8vnJUldSAtStkslpSQFRlFf+zEckIGbw4iUV+piOXfYSD2yleSoxm3IwdAZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:33:51.096767Z"},"content_sha256":"efb3495d82121f466b7d6f6af85b5d0665d7978d310b8df482b04b6e26559947","schema_version":"1.0","event_id":"sha256:efb3495d82121f466b7d6f6af85b5d0665d7978d310b8df482b04b6e26559947"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6LYSMNH7OA64DYR2ZX7ZKWJNNT/bundle.json","state_url":"https://pith.science/pith/6LYSMNH7OA64DYR2ZX7ZKWJNNT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6LYSMNH7OA64DYR2ZX7ZKWJNNT/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":"2026-05-31T16:33:51Z","links":{"resolver":"https://pith.science/pith/6LYSMNH7OA64DYR2ZX7ZKWJNNT","bundle":"https://pith.science/pith/6LYSMNH7OA64DYR2ZX7ZKWJNNT/bundle.json","state":"https://pith.science/pith/6LYSMNH7OA64DYR2ZX7ZKWJNNT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6LYSMNH7OA64DYR2ZX7ZKWJNNT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6LYSMNH7OA64DYR2ZX7ZKWJNNT","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":"d5f5783dc9b3b114247870717b22024eb6b565bff394caf907a5db144fe25005","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-26T06:19:55Z","title_canon_sha256":"1fcf877b3f7aee918eb557ce1ed142d6629dfd8e6ac531198f87e9525956c403"},"schema_version":"1.0","source":{"id":"1709.08854","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.08854","created_at":"2026-05-18T00:34:21Z"},{"alias_kind":"arxiv_version","alias_value":"1709.08854v1","created_at":"2026-05-18T00:34:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.08854","created_at":"2026-05-18T00:34:21Z"},{"alias_kind":"pith_short_12","alias_value":"6LYSMNH7OA64","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6LYSMNH7OA64DYR2","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6LYSMNH7","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:efb3495d82121f466b7d6f6af85b5d0665d7978d310b8df482b04b6e26559947","target":"graph","created_at":"2026-05-18T00:34:21Z","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":"Since 2013, observations of Neptune with small telescopes have resulted in several detections of long-lived bright atmospheric features that have also been observed by large telescopes such as Keck II or Hubble. The combination of both types of images allows the study of the long term evolution of major cloud systems in the planet. In 2013 and 2014 two bright features were present on the planet at southern mid latitudes. These may have merged in late 2014, possibly leading to the formation of a single bright feature observed during 2015 at the same latitude. This cloud system was first observe","authors_text":"A. Sanchez-Lavega, A. Simon, A. Wesley, C. Baranec, D. Gavel, D. Millika, E. L. Gates, E. Victor Garcia, F. Colas, G. S. Orton, H. B. Hammel, I. de Pater, I. Mendikoa, I. Ordonez-Etxeberria, J. F. Rojas, J. Guarro, J. M. Gomez-Forrellad, J. Sussenbach, J. W. Tollefson, K. de Kleer, K. Sayanagi, L. Sromovsky, M. Delcroix, M. H. Wong, N. M. Law, P. Fry, P. Gorczynski, P. Miles, P. Nicholas, R. Hueso, R. Riddle, S. H. Luszcz-Cook, S. M. Ammons, S. Perez-Hoyos, W. Kivits","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-26T06:19:55Z","title":"Neptune long-lived atmospheric features in 2013-2015 from small (28-cm) to large (10-m) telescopes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.08854","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":"sha256:2ae8a04518802372cc173abcd258ccecb399b32a301cacfb08a556ac32a6a481","target":"record","created_at":"2026-05-18T00:34:21Z","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":"d5f5783dc9b3b114247870717b22024eb6b565bff394caf907a5db144fe25005","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-26T06:19:55Z","title_canon_sha256":"1fcf877b3f7aee918eb557ce1ed142d6629dfd8e6ac531198f87e9525956c403"},"schema_version":"1.0","source":{"id":"1709.08854","kind":"arxiv","version":1}},"canonical_sha256":"f2f12634ff703dc1e23acdff95592d6ce4e060f2557f493c17a7c976e3f7dbc6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2f12634ff703dc1e23acdff95592d6ce4e060f2557f493c17a7c976e3f7dbc6","first_computed_at":"2026-05-18T00:34:21.721598Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:21.721598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oDUe3zJ6kbtB/kE7LDEtSC2HeJUX4XNsubgzsQFHWjkSsICsJgIDUBijpcUVgLesb6CNMQBc0drocGh7FOD9DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:21.722190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.08854","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ae8a04518802372cc173abcd258ccecb399b32a301cacfb08a556ac32a6a481","sha256:efb3495d82121f466b7d6f6af85b5d0665d7978d310b8df482b04b6e26559947"],"state_sha256":"e66db5f1c85e62c8aca7f664709b58faf4b48550171bc8222a072b5635544b1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOQQOTrAMLd4VfxJ1TuGx6+QH16yzvawmX9KIE0N5qtqsNnnVUb4xjZo7sMfFtZJNKwRwR1P0JNBO4EVQDagDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:33:51.101222Z","bundle_sha256":"7acd437f914591beef84d6ab3cf717010d5d2890efe9bc529b57b2c67d48517c"}}