{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:OOAYX2M2QVHAZLH4FZT7KJZPQZ","short_pith_number":"pith:OOAYX2M2","canonical_record":{"source":{"id":"2304.01991","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-04T17:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"467593e95a2e68fbe47560a5298001664b3ba9c74612ccd90103af4cdabac3ab","abstract_canon_sha256":"156f62d91c86d6c0a06fd3d88aa6a8a0fca9d4f2824e65c1b52ee2fe604903dd"},"schema_version":"1.0"},"canonical_sha256":"73818be99a854e0cacfc2e67f5272f866e745d041c437f124f1dcff7f5510332","source":{"kind":"arxiv","id":"2304.01991","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.01991","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"arxiv_version","alias_value":"2304.01991v2","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.01991","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"pith_short_12","alias_value":"OOAYX2M2QVHA","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"pith_short_16","alias_value":"OOAYX2M2QVHAZLH4","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"pith_short_8","alias_value":"OOAYX2M2","created_at":"2026-07-05T06:25:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:OOAYX2M2QVHAZLH4FZT7KJZPQZ","target":"record","payload":{"canonical_record":{"source":{"id":"2304.01991","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-04T17:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"467593e95a2e68fbe47560a5298001664b3ba9c74612ccd90103af4cdabac3ab","abstract_canon_sha256":"156f62d91c86d6c0a06fd3d88aa6a8a0fca9d4f2824e65c1b52ee2fe604903dd"},"schema_version":"1.0"},"canonical_sha256":"73818be99a854e0cacfc2e67f5272f866e745d041c437f124f1dcff7f5510332","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:25:26.048026Z","signature_b64":"c65d1dLollYLOlN7MhjOfpgkedKIJb9XAxs4sT2ec0/hFaIQDPt6xZKYjcYemE2bQe5nri6j+hSYA9Slma4ZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73818be99a854e0cacfc2e67f5272f866e745d041c437f124f1dcff7f5510332","last_reissued_at":"2026-07-05T06:25:26.047519Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:25:26.047519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.01991","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:25:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7zGwFrfoVPQFvjWoUPgz+ifzbMyh/IX7Ea4XnA1g1RCsKHB8BhQaIoQl36Iaj4orhGS+mskkuKHVYstRm2F6Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T18:04:24.957023Z"},"content_sha256":"7606f4bd07a6f1945ee753af9dea2148f9eed9f31adec20363263e9b31434837","schema_version":"1.0","event_id":"sha256:7606f4bd07a6f1945ee753af9dea2148f9eed9f31adec20363263e9b31434837"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:OOAYX2M2QVHAZLH4FZT7KJZPQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"One Relation for All Wavelengths: The Far-Ultraviolet to Mid-Infrared Milky Way Spectroscopic R(V) Dependent Dust Extinction Relationship","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Derck Massa, E. L. Fitzpatrick, Erik J. Tollerud, Geoffrey C. Clayton, Karl A. Misselt, Karl D. Gordon, Marjorie Decleir","submitted_at":"2023-04-04T17:49:48Z","abstract_excerpt":"Dust extinction is one of the fundamental measurements of dust grain sizes, compositions, and shapes. Most of the wavelength dependent variations seen in Milky Way extinction are strongly correlated with the single parameter R(V)=A(V)/E(B-V). Existing R(V) dependent extinction relationships use a mixture of spectroscopic and photometry observations, hence do not fully capture all the important dust features nor continuum variations. Using four existing samples of spectroscopically measured dust extinction curves, we consistently measure the R(V) dependent extinction relationship spectroscopica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.01991","kind":"arxiv","version":2},"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/2304.01991/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":"2026-07-05T06:25:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k9odh+WMiwaoivqlA6C7kAFcf1sY9Zjvqfmg+ufBM3++u0MJw10Z/Dk1QyzzidO+VRiG3KdT+og4s5Lu02ynDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T18:04:24.957538Z"},"content_sha256":"a08181d469f5c46d91cb0c64ecdb7df1e04ee4200f964f77c6abf31349180f3b","schema_version":"1.0","event_id":"sha256:a08181d469f5c46d91cb0c64ecdb7df1e04ee4200f964f77c6abf31349180f3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OOAYX2M2QVHAZLH4FZT7KJZPQZ/bundle.json","state_url":"https://pith.science/pith/OOAYX2M2QVHAZLH4FZT7KJZPQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OOAYX2M2QVHAZLH4FZT7KJZPQZ/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":"2026-08-02T18:04:24Z","links":{"resolver":"https://pith.science/pith/OOAYX2M2QVHAZLH4FZT7KJZPQZ","bundle":"https://pith.science/pith/OOAYX2M2QVHAZLH4FZT7KJZPQZ/bundle.json","state":"https://pith.science/pith/OOAYX2M2QVHAZLH4FZT7KJZPQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OOAYX2M2QVHAZLH4FZT7KJZPQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:OOAYX2M2QVHAZLH4FZT7KJZPQZ","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":"156f62d91c86d6c0a06fd3d88aa6a8a0fca9d4f2824e65c1b52ee2fe604903dd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-04T17:49:48Z","title_canon_sha256":"467593e95a2e68fbe47560a5298001664b3ba9c74612ccd90103af4cdabac3ab"},"schema_version":"1.0","source":{"id":"2304.01991","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.01991","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"arxiv_version","alias_value":"2304.01991v2","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.01991","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"pith_short_12","alias_value":"OOAYX2M2QVHA","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"pith_short_16","alias_value":"OOAYX2M2QVHAZLH4","created_at":"2026-07-05T06:25:26Z"},{"alias_kind":"pith_short_8","alias_value":"OOAYX2M2","created_at":"2026-07-05T06:25:26Z"}],"graph_snapshots":[{"event_id":"sha256:a08181d469f5c46d91cb0c64ecdb7df1e04ee4200f964f77c6abf31349180f3b","target":"graph","created_at":"2026-07-05T06:25:26Z","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/2304.01991/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Dust extinction is one of the fundamental measurements of dust grain sizes, compositions, and shapes. Most of the wavelength dependent variations seen in Milky Way extinction are strongly correlated with the single parameter R(V)=A(V)/E(B-V). Existing R(V) dependent extinction relationships use a mixture of spectroscopic and photometry observations, hence do not fully capture all the important dust features nor continuum variations. Using four existing samples of spectroscopically measured dust extinction curves, we consistently measure the R(V) dependent extinction relationship spectroscopica","authors_text":"Derck Massa, E. L. Fitzpatrick, Erik J. Tollerud, Geoffrey C. Clayton, Karl A. Misselt, Karl D. Gordon, Marjorie Decleir","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-04T17:49:48Z","title":"One Relation for All Wavelengths: The Far-Ultraviolet to Mid-Infrared Milky Way Spectroscopic R(V) Dependent Dust Extinction Relationship"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.01991","kind":"arxiv","version":2},"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":"sha256:7606f4bd07a6f1945ee753af9dea2148f9eed9f31adec20363263e9b31434837","target":"record","created_at":"2026-07-05T06:25:26Z","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":"156f62d91c86d6c0a06fd3d88aa6a8a0fca9d4f2824e65c1b52ee2fe604903dd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-04T17:49:48Z","title_canon_sha256":"467593e95a2e68fbe47560a5298001664b3ba9c74612ccd90103af4cdabac3ab"},"schema_version":"1.0","source":{"id":"2304.01991","kind":"arxiv","version":2}},"canonical_sha256":"73818be99a854e0cacfc2e67f5272f866e745d041c437f124f1dcff7f5510332","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73818be99a854e0cacfc2e67f5272f866e745d041c437f124f1dcff7f5510332","first_computed_at":"2026-07-05T06:25:26.047519Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:25:26.047519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c65d1dLollYLOlN7MhjOfpgkedKIJb9XAxs4sT2ec0/hFaIQDPt6xZKYjcYemE2bQe5nri6j+hSYA9Slma4ZAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:25:26.048026Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.01991","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7606f4bd07a6f1945ee753af9dea2148f9eed9f31adec20363263e9b31434837","sha256:a08181d469f5c46d91cb0c64ecdb7df1e04ee4200f964f77c6abf31349180f3b"],"state_sha256":"7ba4674f449a944e4eb3da056d3e6d46ade2534a5f05a9d06f1b60af8551118b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DftOITawrPw9YF6GrxXmU5Bq4q/ZLUpvZf6Rfjm6mVzUAptG8kAup6Y/IBe1k8aN59RLHY00rVGX8yMMMfGLBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T18:04:24.971295Z","bundle_sha256":"84c22ebf51fbc8f93ec751c0c65e94e513da019ac37f762904a837965bf64ce6"}}