{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QGTQW63ONSPW6FUABWLQPTRH5W","short_pith_number":"pith:QGTQW63O","canonical_record":{"source":{"id":"2606.25675","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T10:37:12Z","cross_cats_sorted":[],"title_canon_sha256":"99a887adec5f350040d3cf2383657d4a70034750d7965dabd731585022da22c6","abstract_canon_sha256":"34959175d7a688e066d7aff05a169d9583d3c93365b8e2276d1aa64f330a1069"},"schema_version":"1.0"},"canonical_sha256":"81a70b7b6e6c9f6f16800d9707ce27edaa7e2a3cd4cc42276ad9d17085bf8df6","source":{"kind":"arxiv","id":"2606.25675","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25675","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25675v1","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25675","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"pith_short_12","alias_value":"QGTQW63ONSPW","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"pith_short_16","alias_value":"QGTQW63ONSPW6FUA","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"pith_short_8","alias_value":"QGTQW63O","created_at":"2026-06-25T01:18:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QGTQW63ONSPW6FUABWLQPTRH5W","target":"record","payload":{"canonical_record":{"source":{"id":"2606.25675","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T10:37:12Z","cross_cats_sorted":[],"title_canon_sha256":"99a887adec5f350040d3cf2383657d4a70034750d7965dabd731585022da22c6","abstract_canon_sha256":"34959175d7a688e066d7aff05a169d9583d3c93365b8e2276d1aa64f330a1069"},"schema_version":"1.0"},"canonical_sha256":"81a70b7b6e6c9f6f16800d9707ce27edaa7e2a3cd4cc42276ad9d17085bf8df6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:18:12.581895Z","signature_b64":"F1CjErMu5gcTFGojwg3VdKgVZT6CAcrho68n+dFDIOU+kz3tLHmKOn9PBafUia2FQN/soEPUV2pfvivVeOp8Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81a70b7b6e6c9f6f16800d9707ce27edaa7e2a3cd4cc42276ad9d17085bf8df6","last_reissued_at":"2026-06-25T01:18:12.581487Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:18:12.581487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.25675","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":"2026-06-25T01:18:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgWQ1PKf6HDrz4akLJqm8/aQTbZnWLTfSnhVpsgKEQL0k5gi5MOXivvdShi73bAeKkaL/KIf0scKUkb2GAivDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T19:32:59.789415Z"},"content_sha256":"14da386fe763f6c28e8ce2bd52134fe2164a6d0e589498fad4b83e7e85d0a8cc","schema_version":"1.0","event_id":"sha256:14da386fe763f6c28e8ce2bd52134fe2164a6d0e589498fad4b83e7e85d0a8cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QGTQW63ONSPW6FUABWLQPTRH5W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Changes in Pluto's Atmosphere Based on Stellar Occultation Data from 2017 to 2023","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Abigail Colclasure, Amanda A. Sickafoose, Amanda S. Bosh, Anja Genade, Bastian Knieling, Carlos A. Zuluaga, David J. Osip, Joe Brimacombe, Karsten Schindler, Michael J. Person, Patricio Rojo, Petro Janse van Rensburg, Stephen B. Potter, Stephen E. Levine, Tim Brothers, Tim Carruthers, Timothy A. Lister","submitted_at":"2026-06-24T10:37:12Z","abstract_excerpt":"Pluto's tenuous atmosphere has $\\mu$bar-level pressure and is composed primarily of ${\\text{N}}_2$, with a variable haze. Its eccentric orbit combined with high obliquity leads to significant changes in solar insolation throughout the Plutonian year. The atmosphere is supported by vapor-pressure equilibrium with the surface ices, thus surface changes are coupled with the atmospheric properties. Volatile-transport models have anticipated Pluto's atmospheric evolution: predictions range from collapse over the coming decades to an atmosphere that remains. Previous work claims that Pluto's atmosph"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25675","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.25675/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-25T01:18:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RQgH8Mt+uuV3gDRegHfERDhrdZFKIA42b3xAysDf95KRmDUk6lP78CUVzKaXBdme/NuPTc22N82vOCGrC+F6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T19:32:59.789790Z"},"content_sha256":"6043563fff9d05729fc5c8d85928106ac1b904ffebcb6c8f39be1b082035dee8","schema_version":"1.0","event_id":"sha256:6043563fff9d05729fc5c8d85928106ac1b904ffebcb6c8f39be1b082035dee8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGTQW63ONSPW6FUABWLQPTRH5W/bundle.json","state_url":"https://pith.science/pith/QGTQW63ONSPW6FUABWLQPTRH5W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGTQW63ONSPW6FUABWLQPTRH5W/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":"2026-06-29T19:32:59Z","links":{"resolver":"https://pith.science/pith/QGTQW63ONSPW6FUABWLQPTRH5W","bundle":"https://pith.science/pith/QGTQW63ONSPW6FUABWLQPTRH5W/bundle.json","state":"https://pith.science/pith/QGTQW63ONSPW6FUABWLQPTRH5W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGTQW63ONSPW6FUABWLQPTRH5W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QGTQW63ONSPW6FUABWLQPTRH5W","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":"34959175d7a688e066d7aff05a169d9583d3c93365b8e2276d1aa64f330a1069","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T10:37:12Z","title_canon_sha256":"99a887adec5f350040d3cf2383657d4a70034750d7965dabd731585022da22c6"},"schema_version":"1.0","source":{"id":"2606.25675","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25675","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25675v1","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25675","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"pith_short_12","alias_value":"QGTQW63ONSPW","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"pith_short_16","alias_value":"QGTQW63ONSPW6FUA","created_at":"2026-06-25T01:18:12Z"},{"alias_kind":"pith_short_8","alias_value":"QGTQW63O","created_at":"2026-06-25T01:18:12Z"}],"graph_snapshots":[{"event_id":"sha256:6043563fff9d05729fc5c8d85928106ac1b904ffebcb6c8f39be1b082035dee8","target":"graph","created_at":"2026-06-25T01:18:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.25675/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Pluto's tenuous atmosphere has $\\mu$bar-level pressure and is composed primarily of ${\\text{N}}_2$, with a variable haze. Its eccentric orbit combined with high obliquity leads to significant changes in solar insolation throughout the Plutonian year. The atmosphere is supported by vapor-pressure equilibrium with the surface ices, thus surface changes are coupled with the atmospheric properties. Volatile-transport models have anticipated Pluto's atmospheric evolution: predictions range from collapse over the coming decades to an atmosphere that remains. Previous work claims that Pluto's atmosph","authors_text":"Abigail Colclasure, Amanda A. Sickafoose, Amanda S. Bosh, Anja Genade, Bastian Knieling, Carlos A. Zuluaga, David J. Osip, Joe Brimacombe, Karsten Schindler, Michael J. Person, Patricio Rojo, Petro Janse van Rensburg, Stephen B. Potter, Stephen E. Levine, Tim Brothers, Tim Carruthers, Timothy A. Lister","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T10:37:12Z","title":"Changes in Pluto's Atmosphere Based on Stellar Occultation Data from 2017 to 2023"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25675","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":"sha256:14da386fe763f6c28e8ce2bd52134fe2164a6d0e589498fad4b83e7e85d0a8cc","target":"record","created_at":"2026-06-25T01:18:12Z","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":"34959175d7a688e066d7aff05a169d9583d3c93365b8e2276d1aa64f330a1069","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T10:37:12Z","title_canon_sha256":"99a887adec5f350040d3cf2383657d4a70034750d7965dabd731585022da22c6"},"schema_version":"1.0","source":{"id":"2606.25675","kind":"arxiv","version":1}},"canonical_sha256":"81a70b7b6e6c9f6f16800d9707ce27edaa7e2a3cd4cc42276ad9d17085bf8df6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81a70b7b6e6c9f6f16800d9707ce27edaa7e2a3cd4cc42276ad9d17085bf8df6","first_computed_at":"2026-06-25T01:18:12.581487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T01:18:12.581487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F1CjErMu5gcTFGojwg3VdKgVZT6CAcrho68n+dFDIOU+kz3tLHmKOn9PBafUia2FQN/soEPUV2pfvivVeOp8Dw==","signature_status":"signed_v1","signed_at":"2026-06-25T01:18:12.581895Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.25675","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14da386fe763f6c28e8ce2bd52134fe2164a6d0e589498fad4b83e7e85d0a8cc","sha256:6043563fff9d05729fc5c8d85928106ac1b904ffebcb6c8f39be1b082035dee8"],"state_sha256":"acc639a9fdf1a2d1cf1e6e54bc50c01d3c7fbf180ad2268896df56a9e374c663"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/KkYtCBoVDsILeErFdEMkESAhBG9bTCUwyurqoYhyBrb9x4zOI1SB/6KSvdG9ysVE16xOX7A+L24xVrWs9/hAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T19:32:59.791861Z","bundle_sha256":"ae88ae243dd9f6c87f465470d4648632c00205e1b92c5ddffb415582a428aa93"}}