{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:W3TMMJ3C3M4N3AYAI4FFQQQTSZ","short_pith_number":"pith:W3TMMJ3C","canonical_record":{"source":{"id":"2411.12842","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-19T20:15:47Z","cross_cats_sorted":[],"title_canon_sha256":"060ef15424fadb202c9ada965c1163b6fb0553e7f0090924d6bf06e9da0c64f5","abstract_canon_sha256":"e12773f0858c204b4c3aae844fb0a478fd4feab8e894fe037a3518f011b0066f"},"schema_version":"1.0"},"canonical_sha256":"b6e6c62762db38dd8300470a584213965cdc1d4e4b54acac9598d33f17a4e7a5","source":{"kind":"arxiv","id":"2411.12842","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.12842","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"arxiv_version","alias_value":"2411.12842v1","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.12842","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"pith_short_12","alias_value":"W3TMMJ3C3M4N","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"pith_short_16","alias_value":"W3TMMJ3C3M4N3AYA","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"pith_short_8","alias_value":"W3TMMJ3C","created_at":"2026-07-05T09:38:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:W3TMMJ3C3M4N3AYAI4FFQQQTSZ","target":"record","payload":{"canonical_record":{"source":{"id":"2411.12842","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-19T20:15:47Z","cross_cats_sorted":[],"title_canon_sha256":"060ef15424fadb202c9ada965c1163b6fb0553e7f0090924d6bf06e9da0c64f5","abstract_canon_sha256":"e12773f0858c204b4c3aae844fb0a478fd4feab8e894fe037a3518f011b0066f"},"schema_version":"1.0"},"canonical_sha256":"b6e6c62762db38dd8300470a584213965cdc1d4e4b54acac9598d33f17a4e7a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:38:01.223608Z","signature_b64":"MTAfIvd4+nafJTs9zd++M4MtWmHXPvjayagACORZAU+91HOCKdFw6wbtjx2hOngY3ocPRoVLehBj3pGWT1xqBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6e6c62762db38dd8300470a584213965cdc1d4e4b54acac9598d33f17a4e7a5","last_reissued_at":"2026-07-05T09:38:01.223111Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:38:01.223111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.12842","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":"2026-07-05T09:38:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Pj25A+C+rCXalwA1oXtBonNTHlHDaYjaAu5yXqRbUk9hTjo1JfUE9XpYVxBVPG9EKcK+srnaOXO9rsYYOnxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:12:44.745537Z"},"content_sha256":"e75e63a671006f4a507505b8efb3a7e48f6ff3924b02915cc0fc77214192c93b","schema_version":"1.0","event_id":"sha256:e75e63a671006f4a507505b8efb3a7e48f6ff3924b02915cc0fc77214192c93b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:W3TMMJ3C3M4N3AYAI4FFQQQTSZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temporal Changes in the Infrared Spectra of Magellanic Carbon Stars","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.A. Zijlstra, B. Aringer, E. Lagadec, E. Montiel, G.C. Sloan, I. McDonald, J. Cami, K.E. Kraemer, K. Eriksson, M. Matsuura, R. Sahai, S. Hoefner","submitted_at":"2024-11-19T20:15:47Z","abstract_excerpt":"The Medium-Resolution Spectrometer on the Mid-Infrared Instrument on JWST obtained spectra of three carbon stars in the Large Magellanic Cloud. Two of the spectra differ significantly from spectra obtained ~16-19 years earlier with the Infrared Spectrograph on the Spitzer Space Telescope. The one semi-regular variable among the three has changed little. The long-period Mira variable in the sample shows changes consistent with its pulsation cycle. The short-period Mira shows dramatic changes in the strength of its molecular absorption bands, with some bands growing weaker and some stronger. Whe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.12842","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/2411.12842/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":"2026-07-05T09:38:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a+1Caud07+JZ5jdWtlcSh4dpxs6lGijAaUdP725Ck7LA9TY8Jpfe7nipZCK+FLev7yIHnLfHroXxC6WJsCwsBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:12:44.746508Z"},"content_sha256":"d7b26dfe873aa980d9f45b967c4caa45ebea7f20906abdf5557582176cac2234","schema_version":"1.0","event_id":"sha256:d7b26dfe873aa980d9f45b967c4caa45ebea7f20906abdf5557582176cac2234"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W3TMMJ3C3M4N3AYAI4FFQQQTSZ/bundle.json","state_url":"https://pith.science/pith/W3TMMJ3C3M4N3AYAI4FFQQQTSZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W3TMMJ3C3M4N3AYAI4FFQQQTSZ/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":"2026-08-06T06:12:44Z","links":{"resolver":"https://pith.science/pith/W3TMMJ3C3M4N3AYAI4FFQQQTSZ","bundle":"https://pith.science/pith/W3TMMJ3C3M4N3AYAI4FFQQQTSZ/bundle.json","state":"https://pith.science/pith/W3TMMJ3C3M4N3AYAI4FFQQQTSZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W3TMMJ3C3M4N3AYAI4FFQQQTSZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:W3TMMJ3C3M4N3AYAI4FFQQQTSZ","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":"e12773f0858c204b4c3aae844fb0a478fd4feab8e894fe037a3518f011b0066f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-19T20:15:47Z","title_canon_sha256":"060ef15424fadb202c9ada965c1163b6fb0553e7f0090924d6bf06e9da0c64f5"},"schema_version":"1.0","source":{"id":"2411.12842","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.12842","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"arxiv_version","alias_value":"2411.12842v1","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.12842","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"pith_short_12","alias_value":"W3TMMJ3C3M4N","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"pith_short_16","alias_value":"W3TMMJ3C3M4N3AYA","created_at":"2026-07-05T09:38:01Z"},{"alias_kind":"pith_short_8","alias_value":"W3TMMJ3C","created_at":"2026-07-05T09:38:01Z"}],"graph_snapshots":[{"event_id":"sha256:d7b26dfe873aa980d9f45b967c4caa45ebea7f20906abdf5557582176cac2234","target":"graph","created_at":"2026-07-05T09:38:01Z","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/2411.12842/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Medium-Resolution Spectrometer on the Mid-Infrared Instrument on JWST obtained spectra of three carbon stars in the Large Magellanic Cloud. Two of the spectra differ significantly from spectra obtained ~16-19 years earlier with the Infrared Spectrograph on the Spitzer Space Telescope. The one semi-regular variable among the three has changed little. The long-period Mira variable in the sample shows changes consistent with its pulsation cycle. The short-period Mira shows dramatic changes in the strength of its molecular absorption bands, with some bands growing weaker and some stronger. Whe","authors_text":"A.A. Zijlstra, B. Aringer, E. Lagadec, E. Montiel, G.C. Sloan, I. McDonald, J. Cami, K.E. Kraemer, K. Eriksson, M. Matsuura, R. Sahai, S. Hoefner","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-19T20:15:47Z","title":"Temporal Changes in the Infrared Spectra of Magellanic Carbon Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.12842","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:e75e63a671006f4a507505b8efb3a7e48f6ff3924b02915cc0fc77214192c93b","target":"record","created_at":"2026-07-05T09:38:01Z","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":"e12773f0858c204b4c3aae844fb0a478fd4feab8e894fe037a3518f011b0066f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-19T20:15:47Z","title_canon_sha256":"060ef15424fadb202c9ada965c1163b6fb0553e7f0090924d6bf06e9da0c64f5"},"schema_version":"1.0","source":{"id":"2411.12842","kind":"arxiv","version":1}},"canonical_sha256":"b6e6c62762db38dd8300470a584213965cdc1d4e4b54acac9598d33f17a4e7a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6e6c62762db38dd8300470a584213965cdc1d4e4b54acac9598d33f17a4e7a5","first_computed_at":"2026-07-05T09:38:01.223111Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:38:01.223111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MTAfIvd4+nafJTs9zd++M4MtWmHXPvjayagACORZAU+91HOCKdFw6wbtjx2hOngY3ocPRoVLehBj3pGWT1xqBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:38:01.223608Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.12842","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e75e63a671006f4a507505b8efb3a7e48f6ff3924b02915cc0fc77214192c93b","sha256:d7b26dfe873aa980d9f45b967c4caa45ebea7f20906abdf5557582176cac2234"],"state_sha256":"5eaf14df72322c01dc92b821c0efe1d7ebddf1db8730952a123dfc8067c30958"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C3ZiXkT5J21SiwrSbGV9vaO5Y4oysdLqInGhEuX8xTkI/zdrILQmVJFceMvm5seRDej7GtxxZS2q6GEUt3ECBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:12:44.752531Z","bundle_sha256":"321a70da6ab76ee8f10f5b262b9b5a738213ea09aa2e03a71d443198a1a52670"}}