{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:I5SAOWCOQU6NQU3XRNWD4FLIDJ","short_pith_number":"pith:I5SAOWCO","canonical_record":{"source":{"id":"1505.08056","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-28T02:45:30Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"41e6e8953eaeeab8abda3b3792d79f71e335e0708a561f1f0b4e2ce12f0bafa5","abstract_canon_sha256":"ac95975d789f9262621db5fdfd9dc1d9cd7a6a0ec7042bb05cf83bc43cde83b7"},"schema_version":"1.0"},"canonical_sha256":"476407584e853cd853778b6c3e15681a7ce4a42dfeb6371c5ec01644d23651dd","source":{"kind":"arxiv","id":"1505.08056","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.08056","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"arxiv_version","alias_value":"1505.08056v1","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.08056","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"pith_short_12","alias_value":"I5SAOWCOQU6N","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I5SAOWCOQU6NQU3X","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I5SAOWCO","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:I5SAOWCOQU6NQU3XRNWD4FLIDJ","target":"record","payload":{"canonical_record":{"source":{"id":"1505.08056","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-28T02:45:30Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"41e6e8953eaeeab8abda3b3792d79f71e335e0708a561f1f0b4e2ce12f0bafa5","abstract_canon_sha256":"ac95975d789f9262621db5fdfd9dc1d9cd7a6a0ec7042bb05cf83bc43cde83b7"},"schema_version":"1.0"},"canonical_sha256":"476407584e853cd853778b6c3e15681a7ce4a42dfeb6371c5ec01644d23651dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:53.211103Z","signature_b64":"DavQ81RDmlZA0/NnjhBgEc9QVEXYZ1g1rUGzOG7qb6QuWgHzVqaX5+IwyiqHd5oIwrNt6B2ipAecoZPFKx0eBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"476407584e853cd853778b6c3e15681a7ce4a42dfeb6371c5ec01644d23651dd","last_reissued_at":"2026-05-18T01:36:53.210222Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:53.210222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.08056","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":"2026-05-18T01:36:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1NmStBKGtJZlxu8rX/jiTphA529/U2Ox6nYcqk+Dw3HKYkoU6bPcQsB6AX3WyW+begOhWovkv4rTPn462QX+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:03:01.697674Z"},"content_sha256":"170e133356aca228926c790b26287778e5f28a79e5beab4986abf0806f1086b8","schema_version":"1.0","event_id":"sha256:170e133356aca228926c790b26287778e5f28a79e5beab4986abf0806f1086b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:I5SAOWCOQU6NQU3XRNWD4FLIDJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Location of gamma-ray flaring region in quasar 4C +21.35","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Jiancheng Wang, Maichang Lei","submitted_at":"2015-05-28T02:45:30Z","abstract_excerpt":"4C +21.35 is a flat-spectrum-radio-quasar-type blazar, in which the rapid variability of very high energy (VHE, $E_{\\gamma}\\gtrsim 100$\\,GeV) emission as short as $\\sim$ 10 minutes was observed by MAGIC Cherenkov telescopes, and the VHE spectrum extends up to at least 400\\,GeV. In this paper, by using a flat broad-line region (BLR) structure, we study the location and properties of $\\gamma$-ray emitting region of 4C +21.35 under the constraints of multiwavelength data. We fit three quasi-simultaneous spectral energy distributions (SEDs) using homogeneous one-zone leptonic model, in which the f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.08056","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":""},"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":"2026-05-18T01:36:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a8xIwbtnlath0bV5tpgYnQjZHGLjgCIawIz8UP7BXffJvckjSweoMTNXkn3g1FXVzywsXzYcnTbNMOAyqdr5BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:03:01.698286Z"},"content_sha256":"403159b5aa35d2426e0c121b1bb15498bad29c7f51009aa700cf35988c78fabf","schema_version":"1.0","event_id":"sha256:403159b5aa35d2426e0c121b1bb15498bad29c7f51009aa700cf35988c78fabf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I5SAOWCOQU6NQU3XRNWD4FLIDJ/bundle.json","state_url":"https://pith.science/pith/I5SAOWCOQU6NQU3XRNWD4FLIDJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I5SAOWCOQU6NQU3XRNWD4FLIDJ/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":"2026-05-27T10:03:01Z","links":{"resolver":"https://pith.science/pith/I5SAOWCOQU6NQU3XRNWD4FLIDJ","bundle":"https://pith.science/pith/I5SAOWCOQU6NQU3XRNWD4FLIDJ/bundle.json","state":"https://pith.science/pith/I5SAOWCOQU6NQU3XRNWD4FLIDJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I5SAOWCOQU6NQU3XRNWD4FLIDJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:I5SAOWCOQU6NQU3XRNWD4FLIDJ","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":"ac95975d789f9262621db5fdfd9dc1d9cd7a6a0ec7042bb05cf83bc43cde83b7","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-28T02:45:30Z","title_canon_sha256":"41e6e8953eaeeab8abda3b3792d79f71e335e0708a561f1f0b4e2ce12f0bafa5"},"schema_version":"1.0","source":{"id":"1505.08056","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.08056","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"arxiv_version","alias_value":"1505.08056v1","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.08056","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"pith_short_12","alias_value":"I5SAOWCOQU6N","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I5SAOWCOQU6NQU3X","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I5SAOWCO","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:403159b5aa35d2426e0c121b1bb15498bad29c7f51009aa700cf35988c78fabf","target":"graph","created_at":"2026-05-18T01:36:53Z","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"},"paper":{"abstract_excerpt":"4C +21.35 is a flat-spectrum-radio-quasar-type blazar, in which the rapid variability of very high energy (VHE, $E_{\\gamma}\\gtrsim 100$\\,GeV) emission as short as $\\sim$ 10 minutes was observed by MAGIC Cherenkov telescopes, and the VHE spectrum extends up to at least 400\\,GeV. In this paper, by using a flat broad-line region (BLR) structure, we study the location and properties of $\\gamma$-ray emitting region of 4C +21.35 under the constraints of multiwavelength data. We fit three quasi-simultaneous spectral energy distributions (SEDs) using homogeneous one-zone leptonic model, in which the f","authors_text":"Jiancheng Wang, Maichang Lei","cross_cats":["hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-28T02:45:30Z","title":"Location of gamma-ray flaring region in quasar 4C +21.35"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.08056","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":"sha256:170e133356aca228926c790b26287778e5f28a79e5beab4986abf0806f1086b8","target":"record","created_at":"2026-05-18T01:36:53Z","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":"ac95975d789f9262621db5fdfd9dc1d9cd7a6a0ec7042bb05cf83bc43cde83b7","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-28T02:45:30Z","title_canon_sha256":"41e6e8953eaeeab8abda3b3792d79f71e335e0708a561f1f0b4e2ce12f0bafa5"},"schema_version":"1.0","source":{"id":"1505.08056","kind":"arxiv","version":1}},"canonical_sha256":"476407584e853cd853778b6c3e15681a7ce4a42dfeb6371c5ec01644d23651dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"476407584e853cd853778b6c3e15681a7ce4a42dfeb6371c5ec01644d23651dd","first_computed_at":"2026-05-18T01:36:53.210222Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:53.210222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DavQ81RDmlZA0/NnjhBgEc9QVEXYZ1g1rUGzOG7qb6QuWgHzVqaX5+IwyiqHd5oIwrNt6B2ipAecoZPFKx0eBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:53.211103Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.08056","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:170e133356aca228926c790b26287778e5f28a79e5beab4986abf0806f1086b8","sha256:403159b5aa35d2426e0c121b1bb15498bad29c7f51009aa700cf35988c78fabf"],"state_sha256":"0a72c3682de9468146b5e0792517257463e9b31b082621686d7ef847f01a542d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b1TTlCZozEm68OlmWOpU1whGPhAdle+g33GNF4lBtWRRPPAmfSEVSb7F559bx1rKjI88apTRJH573T3HNl8ICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:03:01.701637Z","bundle_sha256":"71eca1c6518e9e74c25dd45c93d6f746e31f6ab5167397c1e8d3b123ec6b1b17"}}