{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ZQVCZ44DU7OFB5SSKBDJ2YUYIG","short_pith_number":"pith:ZQVCZ44D","canonical_record":{"source":{"id":"2608.13464","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-13T16:46:35Z","cross_cats_sorted":[],"title_canon_sha256":"8b7a15ce3b51e55a84bea414d158761f5e9b2d66a74f6ba0efc32ba9b753e200","abstract_canon_sha256":"2c9a6354d3c4f9302c047c48a52438ab5fb53cb56b80340c3167d20a2387db9f"},"schema_version":"1.0"},"canonical_sha256":"cc2a2cf383a7dc50f65250469d629841b5fb89fe04219c6d2f6478f62dde16da","source":{"kind":"arxiv","id":"2608.13464","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.13464","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"arxiv_version","alias_value":"2608.13464v1","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.13464","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZQVCZ44DU7OF","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"pith_short_16","alias_value":"ZQVCZ44DU7OFB5SS","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"pith_short_8","alias_value":"ZQVCZ44D","created_at":"2026-08-14T01:04:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ZQVCZ44DU7OFB5SSKBDJ2YUYIG","target":"record","payload":{"canonical_record":{"source":{"id":"2608.13464","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-13T16:46:35Z","cross_cats_sorted":[],"title_canon_sha256":"8b7a15ce3b51e55a84bea414d158761f5e9b2d66a74f6ba0efc32ba9b753e200","abstract_canon_sha256":"2c9a6354d3c4f9302c047c48a52438ab5fb53cb56b80340c3167d20a2387db9f"},"schema_version":"1.0"},"canonical_sha256":"cc2a2cf383a7dc50f65250469d629841b5fb89fe04219c6d2f6478f62dde16da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-14T01:04:29.879962Z","signature_b64":"CF6x3jZzto1XRFeqQwnQliuDo4TLTtlpmu3P4X2IPBFXIJfvarZLc+cUkHwMkx7HDLDWVsfi6qBy9pkgO5pdAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc2a2cf383a7dc50f65250469d629841b5fb89fe04219c6d2f6478f62dde16da","last_reissued_at":"2026-08-14T01:04:29.878238Z","signature_status":"signed_v1","first_computed_at":"2026-08-14T01:04:29.878238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.13464","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":"2026-08-14T01:04:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+fGqzoF7o9Spl0EDYBTn0/SZZvNSpMzeLOy+PoQuezFssu2ZqWC3Y3eaK87dxWEwSrdHNNyE9E4ZhszMVblRCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:58:31.374351Z"},"content_sha256":"b2a4d8b7734f02d0a9e4b54b64b1b6e540b5dba26467544366af86c1a69506e3","schema_version":"1.0","event_id":"sha256:b2a4d8b7734f02d0a9e4b54b64b1b6e540b5dba26467544366af86c1a69506e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ZQVCZ44DU7OFB5SSKBDJ2YUYIG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"JWST MIRI Medium Resolution Spectrometer Point Fixed Pattern Corrections: Cleaner and Higher Signal-to-Noise Spectra of Point Sources","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"David R. Law, Karl D. Gordon","submitted_at":"2026-08-13T16:46:35Z","abstract_excerpt":"The JWST Mid-Infrared Instrument Medium Resolution Spectrometer provides the capability to obtain spectra from 5-28 micron. The JWST data reduction pipeline removes the majority but not all of the instrument artifacts and the signal-to-noise (S/N) of the resulting spectra are limited by fixed pattern noise. Building on previous work, Point Fixed Pattern Corrections (PFPCs) are constructed using observations of O, A, and G dwarf flux calibration stars and asteroids taken using the default four point dither pattern. The PFPCs can be applied to spectra of point sources taken with target acquisiti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.13464","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/2608.13464/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":"2026-08-14T01:04:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oMxeGk77CUdkIhoFuu3IqUjjfCU6kgUCrPUgE03L/Vz3SJ/tejT+WDrTQW1gs4eJl+845KwuE6buR+nNlovjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:58:31.374857Z"},"content_sha256":"f0664ae9b2c40efff44206604fbe38e07269e701ea54993084687b5093194cb2","schema_version":"1.0","event_id":"sha256:f0664ae9b2c40efff44206604fbe38e07269e701ea54993084687b5093194cb2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZQVCZ44DU7OFB5SSKBDJ2YUYIG/bundle.json","state_url":"https://pith.science/pith/ZQVCZ44DU7OFB5SSKBDJ2YUYIG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZQVCZ44DU7OFB5SSKBDJ2YUYIG/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":"2026-08-15T05:58:31Z","links":{"resolver":"https://pith.science/pith/ZQVCZ44DU7OFB5SSKBDJ2YUYIG","bundle":"https://pith.science/pith/ZQVCZ44DU7OFB5SSKBDJ2YUYIG/bundle.json","state":"https://pith.science/pith/ZQVCZ44DU7OFB5SSKBDJ2YUYIG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZQVCZ44DU7OFB5SSKBDJ2YUYIG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZQVCZ44DU7OFB5SSKBDJ2YUYIG","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":"2c9a6354d3c4f9302c047c48a52438ab5fb53cb56b80340c3167d20a2387db9f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-13T16:46:35Z","title_canon_sha256":"8b7a15ce3b51e55a84bea414d158761f5e9b2d66a74f6ba0efc32ba9b753e200"},"schema_version":"1.0","source":{"id":"2608.13464","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.13464","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"arxiv_version","alias_value":"2608.13464v1","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.13464","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZQVCZ44DU7OF","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"pith_short_16","alias_value":"ZQVCZ44DU7OFB5SS","created_at":"2026-08-14T01:04:29Z"},{"alias_kind":"pith_short_8","alias_value":"ZQVCZ44D","created_at":"2026-08-14T01:04:29Z"}],"graph_snapshots":[{"event_id":"sha256:f0664ae9b2c40efff44206604fbe38e07269e701ea54993084687b5093194cb2","target":"graph","created_at":"2026-08-14T01:04:29Z","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/2608.13464/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The JWST Mid-Infrared Instrument Medium Resolution Spectrometer provides the capability to obtain spectra from 5-28 micron. The JWST data reduction pipeline removes the majority but not all of the instrument artifacts and the signal-to-noise (S/N) of the resulting spectra are limited by fixed pattern noise. Building on previous work, Point Fixed Pattern Corrections (PFPCs) are constructed using observations of O, A, and G dwarf flux calibration stars and asteroids taken using the default four point dither pattern. The PFPCs can be applied to spectra of point sources taken with target acquisiti","authors_text":"David R. Law, Karl D. Gordon","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-13T16:46:35Z","title":"JWST MIRI Medium Resolution Spectrometer Point Fixed Pattern Corrections: Cleaner and Higher Signal-to-Noise Spectra of Point Sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.13464","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:b2a4d8b7734f02d0a9e4b54b64b1b6e540b5dba26467544366af86c1a69506e3","target":"record","created_at":"2026-08-14T01:04:29Z","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":"2c9a6354d3c4f9302c047c48a52438ab5fb53cb56b80340c3167d20a2387db9f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-13T16:46:35Z","title_canon_sha256":"8b7a15ce3b51e55a84bea414d158761f5e9b2d66a74f6ba0efc32ba9b753e200"},"schema_version":"1.0","source":{"id":"2608.13464","kind":"arxiv","version":1}},"canonical_sha256":"cc2a2cf383a7dc50f65250469d629841b5fb89fe04219c6d2f6478f62dde16da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc2a2cf383a7dc50f65250469d629841b5fb89fe04219c6d2f6478f62dde16da","first_computed_at":"2026-08-14T01:04:29.878238Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-14T01:04:29.878238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CF6x3jZzto1XRFeqQwnQliuDo4TLTtlpmu3P4X2IPBFXIJfvarZLc+cUkHwMkx7HDLDWVsfi6qBy9pkgO5pdAA==","signature_status":"signed_v1","signed_at":"2026-08-14T01:04:29.879962Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.13464","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2a4d8b7734f02d0a9e4b54b64b1b6e540b5dba26467544366af86c1a69506e3","sha256:f0664ae9b2c40efff44206604fbe38e07269e701ea54993084687b5093194cb2"],"state_sha256":"d2a63412862b536ce17d3244bedf9dfd7926a0330328a11ef2867a2203f17e6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PDISUx9UCa0qJM0iQKd+vbSoihNFTSFvTHZz+4DjNAIcTXqe6Z8FX+2GDXBJcwAXneB/wViYOyEnJGA7znciCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T05:58:31.380089Z","bundle_sha256":"4618dadaff70936f63fb83021f94a8b721dc526f77aab7c5e0ff2f8b72c0ed69"}}