{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7BXUJOH67RVC3JSX362V6G4FTI","short_pith_number":"pith:7BXUJOH6","canonical_record":{"source":{"id":"2104.08566","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-04-17T15:05:29Z","cross_cats_sorted":[],"title_canon_sha256":"2ccd30def57345e51f392dc5a8c75135e3e4f024c02f501fe9b801115ad8d26e","abstract_canon_sha256":"566f4b297f0c6c7ce8a238a7d6d9a3b023a19a1e8616cd7cc7fc5f2819deb882"},"schema_version":"1.0"},"canonical_sha256":"f86f44b8fefc6a2da657dfb55f1b859a1e3e01c5cfa55b65b7aa14bf7dc7eff6","source":{"kind":"arxiv","id":"2104.08566","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.08566","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"2104.08566v1","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.08566","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"7BXUJOH67RVC","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"7BXUJOH67RVC3JSX","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"7BXUJOH6","created_at":"2026-07-05T02:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7BXUJOH67RVC3JSX362V6G4FTI","target":"record","payload":{"canonical_record":{"source":{"id":"2104.08566","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-04-17T15:05:29Z","cross_cats_sorted":[],"title_canon_sha256":"2ccd30def57345e51f392dc5a8c75135e3e4f024c02f501fe9b801115ad8d26e","abstract_canon_sha256":"566f4b297f0c6c7ce8a238a7d6d9a3b023a19a1e8616cd7cc7fc5f2819deb882"},"schema_version":"1.0"},"canonical_sha256":"f86f44b8fefc6a2da657dfb55f1b859a1e3e01c5cfa55b65b7aa14bf7dc7eff6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:32:53.549286Z","signature_b64":"sdMunLGORHH++XUpd+AwyxK0kH2LHPNhOjAVO4ZlULJjiF6t/7uSEJg/LfJOdeAYzdGaeDQvASBg9WOUsd7/DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f86f44b8fefc6a2da657dfb55f1b859a1e3e01c5cfa55b65b7aa14bf7dc7eff6","last_reissued_at":"2026-07-05T02:32:53.548798Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:32:53.548798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.08566","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":"2026-07-05T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O0JT+3FNkCZA0G6rbdn3EA/w4qpQ9k6XPa7Q/DptBLrdV7uubzmzsa9XpVHwD4Esi7tzbInsu0K/PdmvMnvwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:56:13.387653Z"},"content_sha256":"fab84b29e0959c75f767364a4c20ea08d5ede938eb28dfa4a931426f3c4ee5be","schema_version":"1.0","event_id":"sha256:fab84b29e0959c75f767364a4c20ea08d5ede938eb28dfa4a931426f3c4ee5be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7BXUJOH67RVC3JSX362V6G4FTI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiwavelength Study of the Quiescent States of Six Brightest Flat Spectrum Radio Quasars detected by Fermi-LAT","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"(2) Deutsches Elektronen-Synchrotron, Abhradeep Roy (1), Anshu Chatterjee (1), Arkadipta Sarkar (1), D-15738 Zeuthen, Germany), India, Mumbai-400005, Platanenallee 6, Sonal R. Patel (2), Tata Institute of Fundamental Research, Varsha R. Chitnis (1) ((1) Department of High Energy Physics","submitted_at":"2021-04-17T15:05:29Z","abstract_excerpt":"The regular monitoring of flat-spectrum radio quasars (FSRQs) in $\\gamma$-rays by Fermi-LAT since past 12 years indicated six sources who exhibited extreme $\\gamma$-ray outbursts crossing daily flux of $10^{-5}$ photons/cm$^{2}$/s. We obtained nearly-simultaneous multi-wavelength data of these sources in radio to $\\gamma$-ray waveband from OVRO, Steward Observatory, SMARTS, Swift-UVOT, Swift-XRT, and Fermi-LAT. The time-averaged broadband Spectral Energy Distributions (SEDs) of these sources in quiescent states were studied to get an idea about the underlying baseline radiation processes. We m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.08566","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/2104.08566/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":"2026-07-05T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S8C5xnPjaTlJtb9GUec8oG6swhw8dRX9qWuMt/mzSpgkDWJyi31dgGMs+XyWVD8tzQQ7p5xQTiAC8aYf1gtmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:56:13.390355Z"},"content_sha256":"0d6e7c25475451f8d9b6086de3b5adf028b7c3a62987243953dcb9a71b4800d2","schema_version":"1.0","event_id":"sha256:0d6e7c25475451f8d9b6086de3b5adf028b7c3a62987243953dcb9a71b4800d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7BXUJOH67RVC3JSX362V6G4FTI/bundle.json","state_url":"https://pith.science/pith/7BXUJOH67RVC3JSX362V6G4FTI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7BXUJOH67RVC3JSX362V6G4FTI/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":"2026-08-06T18:56:13Z","links":{"resolver":"https://pith.science/pith/7BXUJOH67RVC3JSX362V6G4FTI","bundle":"https://pith.science/pith/7BXUJOH67RVC3JSX362V6G4FTI/bundle.json","state":"https://pith.science/pith/7BXUJOH67RVC3JSX362V6G4FTI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7BXUJOH67RVC3JSX362V6G4FTI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7BXUJOH67RVC3JSX362V6G4FTI","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":"566f4b297f0c6c7ce8a238a7d6d9a3b023a19a1e8616cd7cc7fc5f2819deb882","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-04-17T15:05:29Z","title_canon_sha256":"2ccd30def57345e51f392dc5a8c75135e3e4f024c02f501fe9b801115ad8d26e"},"schema_version":"1.0","source":{"id":"2104.08566","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.08566","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"2104.08566v1","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.08566","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"7BXUJOH67RVC","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"7BXUJOH67RVC3JSX","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"7BXUJOH6","created_at":"2026-07-05T02:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:0d6e7c25475451f8d9b6086de3b5adf028b7c3a62987243953dcb9a71b4800d2","target":"graph","created_at":"2026-07-05T02:32:53Z","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/2104.08566/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The regular monitoring of flat-spectrum radio quasars (FSRQs) in $\\gamma$-rays by Fermi-LAT since past 12 years indicated six sources who exhibited extreme $\\gamma$-ray outbursts crossing daily flux of $10^{-5}$ photons/cm$^{2}$/s. We obtained nearly-simultaneous multi-wavelength data of these sources in radio to $\\gamma$-ray waveband from OVRO, Steward Observatory, SMARTS, Swift-UVOT, Swift-XRT, and Fermi-LAT. The time-averaged broadband Spectral Energy Distributions (SEDs) of these sources in quiescent states were studied to get an idea about the underlying baseline radiation processes. We m","authors_text":"(2) Deutsches Elektronen-Synchrotron, Abhradeep Roy (1), Anshu Chatterjee (1), Arkadipta Sarkar (1), D-15738 Zeuthen, Germany), India, Mumbai-400005, Platanenallee 6, Sonal R. Patel (2), Tata Institute of Fundamental Research, Varsha R. Chitnis (1) ((1) Department of High Energy Physics","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-04-17T15:05:29Z","title":"Multiwavelength Study of the Quiescent States of Six Brightest Flat Spectrum Radio Quasars detected by Fermi-LAT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.08566","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:fab84b29e0959c75f767364a4c20ea08d5ede938eb28dfa4a931426f3c4ee5be","target":"record","created_at":"2026-07-05T02:32:53Z","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":"566f4b297f0c6c7ce8a238a7d6d9a3b023a19a1e8616cd7cc7fc5f2819deb882","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-04-17T15:05:29Z","title_canon_sha256":"2ccd30def57345e51f392dc5a8c75135e3e4f024c02f501fe9b801115ad8d26e"},"schema_version":"1.0","source":{"id":"2104.08566","kind":"arxiv","version":1}},"canonical_sha256":"f86f44b8fefc6a2da657dfb55f1b859a1e3e01c5cfa55b65b7aa14bf7dc7eff6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f86f44b8fefc6a2da657dfb55f1b859a1e3e01c5cfa55b65b7aa14bf7dc7eff6","first_computed_at":"2026-07-05T02:32:53.548798Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:32:53.548798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sdMunLGORHH++XUpd+AwyxK0kH2LHPNhOjAVO4ZlULJjiF6t/7uSEJg/LfJOdeAYzdGaeDQvASBg9WOUsd7/DA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:32:53.549286Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.08566","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fab84b29e0959c75f767364a4c20ea08d5ede938eb28dfa4a931426f3c4ee5be","sha256:0d6e7c25475451f8d9b6086de3b5adf028b7c3a62987243953dcb9a71b4800d2"],"state_sha256":"7540338e9f67d40d9f84380fa3122a2927eb158aeee8c1891cb3f264a97aefb0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"at5E8bL0HWue7hsfDVPdgx+ttAgR0V5TRYXZJApgVWiPydgcdQsxFChuZ6yIgeDgsJjGW/BBlm83FuFbu2OfCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T18:56:13.401840Z","bundle_sha256":"4b8e13d827e77251164305da40e6113c9828cb299fbb14edc064252dccb19ce3"}}