{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZOHMLCVLJ2ZULWLY4OA3NH3QN3","short_pith_number":"pith:ZOHMLCVL","canonical_record":{"source":{"id":"1012.0308","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-01T21:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"9eaec5bd93a286747f472c7dff0fe57fcf0b040353a54931c13f4d973a325f7a","abstract_canon_sha256":"ec69ea32f03c2cd838678b656ab26536c7f272556dd87348d9822b4fb917be62"},"schema_version":"1.0"},"canonical_sha256":"cb8ec58aab4eb345d978e381b69f706ec4c4c9665d590129ef5806d6c31cedc5","source":{"kind":"arxiv","id":"1012.0308","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.0308","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"arxiv_version","alias_value":"1012.0308v2","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.0308","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"pith_short_12","alias_value":"ZOHMLCVLJ2ZU","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZOHMLCVLJ2ZULWLY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZOHMLCVL","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZOHMLCVLJ2ZULWLY4OA3NH3QN3","target":"record","payload":{"canonical_record":{"source":{"id":"1012.0308","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-01T21:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"9eaec5bd93a286747f472c7dff0fe57fcf0b040353a54931c13f4d973a325f7a","abstract_canon_sha256":"ec69ea32f03c2cd838678b656ab26536c7f272556dd87348d9822b4fb917be62"},"schema_version":"1.0"},"canonical_sha256":"cb8ec58aab4eb345d978e381b69f706ec4c4c9665d590129ef5806d6c31cedc5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:36.305174Z","signature_b64":"Y+54CDHRUMdDtqhLMYua40RAeC6jBxeSozeGLTqpeaMZPoHIujkjyoS9q1u3Xh1B/DianvKsm0eGXENzLMpTAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb8ec58aab4eb345d978e381b69f706ec4c4c9665d590129ef5806d6c31cedc5","last_reissued_at":"2026-05-18T02:04:36.304393Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:36.304393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.0308","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":"2026-05-18T02:04:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aCUhUBCaMasiR6sNwUAv3hs+b/xODWKBw3SFUxjSHDWIl7uG0xs8aHC4OvH4/bxKlSSRD4ahX/sK/fqazomFAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:51:13.712953Z"},"content_sha256":"746985a82570441bdca2d434254b8728f1e6cd967ff7a8c81723de49e221d485","schema_version":"1.0","event_id":"sha256:746985a82570441bdca2d434254b8728f1e6cd967ff7a8c81723de49e221d485"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZOHMLCVLJ2ZULWLY4OA3NH3QN3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The transition between BL Lac objects and Flat Spectrum Radio Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"F. Tavecchio, G. Ghirlanda (INAF - Osservatorio di Brera), G. Ghisellini, L. Foschini","submitted_at":"2010-12-01T21:00:04Z","abstract_excerpt":"We study the BL Lac objects detected in the one year all sky survey of the Fermi satellite, with a energy spectral slope alpha_gamma in the [0.1-100 GeV] band greater than 1.2. In the alpha_gamma vs gamma-ray luminosity plane, these BL Lacs occupy the region populated by Flat Spectrum Radio Quasars (FSRQs). Studying the properties of their spectral energy distributions (SED) and of their emitting lines, we find that several of these BL Lacs have a SED similar to FSRQs and that they do have broad lines of large equivalent width, and should be reclassified as FSRQs even adopting the current phen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.0308","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":""},"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":"2026-05-18T02:04:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"778cn8dHPD4DOvh6OUspATSQDXyBP947LNLvDgAWr7lkEVlrPWz9Hk3fQZnNnC7YpCjFYOPKmRmKTdZ9og5fDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:51:13.713298Z"},"content_sha256":"10f91901180dbae622ef1e3bd5511f4461e5f0da75ab2a954321f9e0d89ed3ed","schema_version":"1.0","event_id":"sha256:10f91901180dbae622ef1e3bd5511f4461e5f0da75ab2a954321f9e0d89ed3ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZOHMLCVLJ2ZULWLY4OA3NH3QN3/bundle.json","state_url":"https://pith.science/pith/ZOHMLCVLJ2ZULWLY4OA3NH3QN3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZOHMLCVLJ2ZULWLY4OA3NH3QN3/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":"2026-06-01T12:51:13Z","links":{"resolver":"https://pith.science/pith/ZOHMLCVLJ2ZULWLY4OA3NH3QN3","bundle":"https://pith.science/pith/ZOHMLCVLJ2ZULWLY4OA3NH3QN3/bundle.json","state":"https://pith.science/pith/ZOHMLCVLJ2ZULWLY4OA3NH3QN3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZOHMLCVLJ2ZULWLY4OA3NH3QN3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZOHMLCVLJ2ZULWLY4OA3NH3QN3","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":"ec69ea32f03c2cd838678b656ab26536c7f272556dd87348d9822b4fb917be62","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-01T21:00:04Z","title_canon_sha256":"9eaec5bd93a286747f472c7dff0fe57fcf0b040353a54931c13f4d973a325f7a"},"schema_version":"1.0","source":{"id":"1012.0308","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.0308","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"arxiv_version","alias_value":"1012.0308v2","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.0308","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"pith_short_12","alias_value":"ZOHMLCVLJ2ZU","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZOHMLCVLJ2ZULWLY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZOHMLCVL","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:10f91901180dbae622ef1e3bd5511f4461e5f0da75ab2a954321f9e0d89ed3ed","target":"graph","created_at":"2026-05-18T02:04:36Z","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":"We study the BL Lac objects detected in the one year all sky survey of the Fermi satellite, with a energy spectral slope alpha_gamma in the [0.1-100 GeV] band greater than 1.2. In the alpha_gamma vs gamma-ray luminosity plane, these BL Lacs occupy the region populated by Flat Spectrum Radio Quasars (FSRQs). Studying the properties of their spectral energy distributions (SED) and of their emitting lines, we find that several of these BL Lacs have a SED similar to FSRQs and that they do have broad lines of large equivalent width, and should be reclassified as FSRQs even adopting the current phen","authors_text":"F. Tavecchio, G. Ghirlanda (INAF - Osservatorio di Brera), G. Ghisellini, L. Foschini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-01T21:00:04Z","title":"The transition between BL Lac objects and Flat Spectrum Radio Quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.0308","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":"sha256:746985a82570441bdca2d434254b8728f1e6cd967ff7a8c81723de49e221d485","target":"record","created_at":"2026-05-18T02:04:36Z","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":"ec69ea32f03c2cd838678b656ab26536c7f272556dd87348d9822b4fb917be62","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-01T21:00:04Z","title_canon_sha256":"9eaec5bd93a286747f472c7dff0fe57fcf0b040353a54931c13f4d973a325f7a"},"schema_version":"1.0","source":{"id":"1012.0308","kind":"arxiv","version":2}},"canonical_sha256":"cb8ec58aab4eb345d978e381b69f706ec4c4c9665d590129ef5806d6c31cedc5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb8ec58aab4eb345d978e381b69f706ec4c4c9665d590129ef5806d6c31cedc5","first_computed_at":"2026-05-18T02:04:36.304393Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:36.304393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y+54CDHRUMdDtqhLMYua40RAeC6jBxeSozeGLTqpeaMZPoHIujkjyoS9q1u3Xh1B/DianvKsm0eGXENzLMpTAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:36.305174Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.0308","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:746985a82570441bdca2d434254b8728f1e6cd967ff7a8c81723de49e221d485","sha256:10f91901180dbae622ef1e3bd5511f4461e5f0da75ab2a954321f9e0d89ed3ed"],"state_sha256":"13a5e17847b17edff1da0b88f9fcf82054a9af1ea7b2d5baf7da0e23c6cc6088"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RHYPy7D17psS5wUJ+gcZ/i2FP2uqd9scuNqVO7VT6X36cEz6xloOcbb9Es2srMtkLkjgrP3s29Vw0D9mMF/PDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:51:13.715246Z","bundle_sha256":"c6438fa9ecb97d3f868930ec436665fd89cf8ca0403715d6c946c82eba4632de"}}