{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:HMPI6BQL7GL5U74UMXTK6LZ32I","short_pith_number":"pith:HMPI6BQL","canonical_record":{"source":{"id":"2506.12832","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-15T12:48:31Z","cross_cats_sorted":[],"title_canon_sha256":"ed8ff9dfc7b249d63246f6a3ba92bac30cd31e50b489310abb35e1bc69984f25","abstract_canon_sha256":"17f306991a6799af52fb12c926a99779b74401c7bd10af2b440a45a253f2e283"},"schema_version":"1.0"},"canonical_sha256":"3b1e8f060bf997da7f9465e6af2f3bd20e2d965197302d2069bc6eef83fb3fff","source":{"kind":"arxiv","id":"2506.12832","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.12832","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"arxiv_version","alias_value":"2506.12832v1","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.12832","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"pith_short_12","alias_value":"HMPI6BQL7GL5","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"pith_short_16","alias_value":"HMPI6BQL7GL5U74U","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"pith_short_8","alias_value":"HMPI6BQL","created_at":"2026-07-05T11:22:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:HMPI6BQL7GL5U74UMXTK6LZ32I","target":"record","payload":{"canonical_record":{"source":{"id":"2506.12832","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-15T12:48:31Z","cross_cats_sorted":[],"title_canon_sha256":"ed8ff9dfc7b249d63246f6a3ba92bac30cd31e50b489310abb35e1bc69984f25","abstract_canon_sha256":"17f306991a6799af52fb12c926a99779b74401c7bd10af2b440a45a253f2e283"},"schema_version":"1.0"},"canonical_sha256":"3b1e8f060bf997da7f9465e6af2f3bd20e2d965197302d2069bc6eef83fb3fff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:22:01.007487Z","signature_b64":"d3iUmIGfpPsEcjj7vB+h3jyiV8ht3kgkgSevAiN3Pe5eNjOCRL8YsPNnJ/Jt4JJpSsm0c1+sUwRt44ibsl5hBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b1e8f060bf997da7f9465e6af2f3bd20e2d965197302d2069bc6eef83fb3fff","last_reissued_at":"2026-07-05T11:22:01.006955Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:22:01.006955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.12832","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":"2026-07-05T11:22:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4rbhHpBheGMJzTLDdgMsxPmpTMpp1g9zN5Zyphzp8/RYmsfGYOgP+zBbocrSlqSysa1oFKBsi9GcDh8EGFzzBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T10:17:01.324931Z"},"content_sha256":"6703808ea61d8b189b8367acebc723bef58d489a319f0926ba8a587819b4fe58","schema_version":"1.0","event_id":"sha256:6703808ea61d8b189b8367acebc723bef58d489a319f0926ba8a587819b4fe58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:HMPI6BQL7GL5U74UMXTK6LZ32I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broadband Spectral Modeling of Blazars: Constraining the Lorentz Factor and Gamma-Ray Emission Site","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Aishwarya Sarath, Ajay Sharma, Debanjan Bose, Sakshi Chaudhary","submitted_at":"2025-06-15T12:48:31Z","abstract_excerpt":"We present a comprehensive temporal and spectral analysis of a few blazars using multi-wavelength observations. Rapid flux variations are quantified via the doubling/halving timescale method, revealing the shortest variability timescales of a few hours in $\\gamma$-ray emissions. The broadband fractional variability is systematically computed and examined as a function of frequency, displaying a characteristic double-hump structure akin to the typical spectral energy distribution (SED) of blazars. To distinguish between different emission states, we utilize the Bayesian block algorithm, which e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.12832","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/2506.12832/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":"2026-07-05T11:22:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hk2sGbe3nps0kpLMdz7MlJOiemOIJPxJf7oU6bOKPXCnq6sdapWxWd97n9j+pwRhy7I3wzvSdDHMLNUamoFjBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T10:17:01.325446Z"},"content_sha256":"01410afe6601dad046e09e67b9215d5be3f843b98f1db1ff06c1b3770120d928","schema_version":"1.0","event_id":"sha256:01410afe6601dad046e09e67b9215d5be3f843b98f1db1ff06c1b3770120d928"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HMPI6BQL7GL5U74UMXTK6LZ32I/bundle.json","state_url":"https://pith.science/pith/HMPI6BQL7GL5U74UMXTK6LZ32I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HMPI6BQL7GL5U74UMXTK6LZ32I/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":"2026-08-22T10:17:01Z","links":{"resolver":"https://pith.science/pith/HMPI6BQL7GL5U74UMXTK6LZ32I","bundle":"https://pith.science/pith/HMPI6BQL7GL5U74UMXTK6LZ32I/bundle.json","state":"https://pith.science/pith/HMPI6BQL7GL5U74UMXTK6LZ32I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HMPI6BQL7GL5U74UMXTK6LZ32I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:HMPI6BQL7GL5U74UMXTK6LZ32I","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":"17f306991a6799af52fb12c926a99779b74401c7bd10af2b440a45a253f2e283","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-15T12:48:31Z","title_canon_sha256":"ed8ff9dfc7b249d63246f6a3ba92bac30cd31e50b489310abb35e1bc69984f25"},"schema_version":"1.0","source":{"id":"2506.12832","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.12832","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"arxiv_version","alias_value":"2506.12832v1","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.12832","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"pith_short_12","alias_value":"HMPI6BQL7GL5","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"pith_short_16","alias_value":"HMPI6BQL7GL5U74U","created_at":"2026-07-05T11:22:01Z"},{"alias_kind":"pith_short_8","alias_value":"HMPI6BQL","created_at":"2026-07-05T11:22:01Z"}],"graph_snapshots":[{"event_id":"sha256:01410afe6601dad046e09e67b9215d5be3f843b98f1db1ff06c1b3770120d928","target":"graph","created_at":"2026-07-05T11:22:01Z","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/2506.12832/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a comprehensive temporal and spectral analysis of a few blazars using multi-wavelength observations. Rapid flux variations are quantified via the doubling/halving timescale method, revealing the shortest variability timescales of a few hours in $\\gamma$-ray emissions. The broadband fractional variability is systematically computed and examined as a function of frequency, displaying a characteristic double-hump structure akin to the typical spectral energy distribution (SED) of blazars. To distinguish between different emission states, we utilize the Bayesian block algorithm, which e","authors_text":"Aishwarya Sarath, Ajay Sharma, Debanjan Bose, Sakshi Chaudhary","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-15T12:48:31Z","title":"Broadband Spectral Modeling of Blazars: Constraining the Lorentz Factor and Gamma-Ray Emission Site"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.12832","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":"sha256:6703808ea61d8b189b8367acebc723bef58d489a319f0926ba8a587819b4fe58","target":"record","created_at":"2026-07-05T11:22:01Z","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":"17f306991a6799af52fb12c926a99779b74401c7bd10af2b440a45a253f2e283","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-15T12:48:31Z","title_canon_sha256":"ed8ff9dfc7b249d63246f6a3ba92bac30cd31e50b489310abb35e1bc69984f25"},"schema_version":"1.0","source":{"id":"2506.12832","kind":"arxiv","version":1}},"canonical_sha256":"3b1e8f060bf997da7f9465e6af2f3bd20e2d965197302d2069bc6eef83fb3fff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b1e8f060bf997da7f9465e6af2f3bd20e2d965197302d2069bc6eef83fb3fff","first_computed_at":"2026-07-05T11:22:01.006955Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:22:01.006955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d3iUmIGfpPsEcjj7vB+h3jyiV8ht3kgkgSevAiN3Pe5eNjOCRL8YsPNnJ/Jt4JJpSsm0c1+sUwRt44ibsl5hBg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:22:01.007487Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.12832","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6703808ea61d8b189b8367acebc723bef58d489a319f0926ba8a587819b4fe58","sha256:01410afe6601dad046e09e67b9215d5be3f843b98f1db1ff06c1b3770120d928"],"state_sha256":"a76fadca42b47f6eebe05dab33995196e1a22fccc5de3446a72ede8ee75cb5c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xpggdGeBEktVVzpIyzsni1XWmaAL2KKQoeHOua74URUdS7hicNcQEr5zCxQWSkqX6AtDGD/fSDbUJFVWYVJjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T10:17:01.330027Z","bundle_sha256":"e4099dce7fc954b7c6c601d45ea6e75a8514467dd6e7103fa40bae4bb34c7eb3"}}