{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:U572I3WTVRDOORM7RCYKKWXFE3","short_pith_number":"pith:U572I3WT","canonical_record":{"source":{"id":"0709.1881","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-12T15:24:13Z","cross_cats_sorted":[],"title_canon_sha256":"8b27b0f1b58b2d5426a7f1b7c9172124ee5e11d0847c018261e2767964f7b8ac","abstract_canon_sha256":"13b2ab6956adce01b5a175da440c4b93040c1799070158e083e869e51d06bdc2"},"schema_version":"1.0"},"canonical_sha256":"a77fa46ed3ac46e7459f88b0a55ae526cafba2a01179a3c98e9c574e5fe7a39f","source":{"kind":"arxiv","id":"0709.1881","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.1881","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"arxiv_version","alias_value":"0709.1881v1","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.1881","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"pith_short_12","alias_value":"U572I3WTVRDO","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"pith_short_16","alias_value":"U572I3WTVRDOORM7","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"pith_short_8","alias_value":"U572I3WT","created_at":"2026-07-04T15:04:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:U572I3WTVRDOORM7RCYKKWXFE3","target":"record","payload":{"canonical_record":{"source":{"id":"0709.1881","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-12T15:24:13Z","cross_cats_sorted":[],"title_canon_sha256":"8b27b0f1b58b2d5426a7f1b7c9172124ee5e11d0847c018261e2767964f7b8ac","abstract_canon_sha256":"13b2ab6956adce01b5a175da440c4b93040c1799070158e083e869e51d06bdc2"},"schema_version":"1.0"},"canonical_sha256":"a77fa46ed3ac46e7459f88b0a55ae526cafba2a01179a3c98e9c574e5fe7a39f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:04:12.425838Z","signature_b64":"U/Ap8+W/ehAbELXHr+VGKC7zPMt50SwZu7xP50lVl6+PD6nflHPFIaQZfr1AaJKRbTElq5/9imDTzgRT/808AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a77fa46ed3ac46e7459f88b0a55ae526cafba2a01179a3c98e9c574e5fe7a39f","last_reissued_at":"2026-07-04T15:04:12.425488Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:04:12.425488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0709.1881","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":"2026-07-04T15:04:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XPs8bbrqhNlcX6cRQ47ZcmT65opZbv4dq3oPrWO3Won/AHm+OS2p99neDGUMvRQiDQyG7XvxJQx/Oys/FvHZBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:44:37.908008Z"},"content_sha256":"f8b48e7b47d55de0e3816f747ed9eeac1c037d0fe1e704ff61129b0430012ed7","schema_version":"1.0","event_id":"sha256:f8b48e7b47d55de0e3816f747ed9eeac1c037d0fe1e704ff61129b0430012ed7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:U572I3WTVRDOORM7RCYKKWXFE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gamma-ray blazars: the combined AGILE and MAGIC views","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.DeAngelis, F.Longo, M.Persic, M.Tavani","submitted_at":"2007-09-12T15:24:13Z","abstract_excerpt":"We describe the emission properties of blazars, i.e. the AGNs that, due to their peculiar orientation w.r.t. the observer, allow the most penetrating and direct view of their central engine. After showing that the extragalactic GeV-TeV sky is dominated by blazars of various types, we discuss the kind of blazars that are likely to be jointly detected by AGILE and MAGIC."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.1881","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/0709.1881/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":"2026-07-04T15:04:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j0Wso/xszDLvu0AlQ3wtLZ3e/yC382i5vJqZ/7qGiEVhj4l6PUrzEY0rdsshBbLViyTxoblIzrfQdnUGlMFwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:44:37.908915Z"},"content_sha256":"ea8ecf9b1fea0dcf34b49103989fc10fc997fcc75d1d8268466c8e077de87620","schema_version":"1.0","event_id":"sha256:ea8ecf9b1fea0dcf34b49103989fc10fc997fcc75d1d8268466c8e077de87620"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U572I3WTVRDOORM7RCYKKWXFE3/bundle.json","state_url":"https://pith.science/pith/U572I3WTVRDOORM7RCYKKWXFE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U572I3WTVRDOORM7RCYKKWXFE3/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":"2026-08-21T14:44:37Z","links":{"resolver":"https://pith.science/pith/U572I3WTVRDOORM7RCYKKWXFE3","bundle":"https://pith.science/pith/U572I3WTVRDOORM7RCYKKWXFE3/bundle.json","state":"https://pith.science/pith/U572I3WTVRDOORM7RCYKKWXFE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U572I3WTVRDOORM7RCYKKWXFE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:U572I3WTVRDOORM7RCYKKWXFE3","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":"13b2ab6956adce01b5a175da440c4b93040c1799070158e083e869e51d06bdc2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-12T15:24:13Z","title_canon_sha256":"8b27b0f1b58b2d5426a7f1b7c9172124ee5e11d0847c018261e2767964f7b8ac"},"schema_version":"1.0","source":{"id":"0709.1881","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.1881","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"arxiv_version","alias_value":"0709.1881v1","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.1881","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"pith_short_12","alias_value":"U572I3WTVRDO","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"pith_short_16","alias_value":"U572I3WTVRDOORM7","created_at":"2026-07-04T15:04:12Z"},{"alias_kind":"pith_short_8","alias_value":"U572I3WT","created_at":"2026-07-04T15:04:12Z"}],"graph_snapshots":[{"event_id":"sha256:ea8ecf9b1fea0dcf34b49103989fc10fc997fcc75d1d8268466c8e077de87620","target":"graph","created_at":"2026-07-04T15:04:12Z","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/0709.1881/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe the emission properties of blazars, i.e. the AGNs that, due to their peculiar orientation w.r.t. the observer, allow the most penetrating and direct view of their central engine. After showing that the extragalactic GeV-TeV sky is dominated by blazars of various types, we discuss the kind of blazars that are likely to be jointly detected by AGILE and MAGIC.","authors_text":"A.DeAngelis, F.Longo, M.Persic, M.Tavani","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-09-12T15:24:13Z","title":"Gamma-ray blazars: the combined AGILE and MAGIC views"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.1881","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:f8b48e7b47d55de0e3816f747ed9eeac1c037d0fe1e704ff61129b0430012ed7","target":"record","created_at":"2026-07-04T15:04:12Z","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":"13b2ab6956adce01b5a175da440c4b93040c1799070158e083e869e51d06bdc2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-12T15:24:13Z","title_canon_sha256":"8b27b0f1b58b2d5426a7f1b7c9172124ee5e11d0847c018261e2767964f7b8ac"},"schema_version":"1.0","source":{"id":"0709.1881","kind":"arxiv","version":1}},"canonical_sha256":"a77fa46ed3ac46e7459f88b0a55ae526cafba2a01179a3c98e9c574e5fe7a39f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a77fa46ed3ac46e7459f88b0a55ae526cafba2a01179a3c98e9c574e5fe7a39f","first_computed_at":"2026-07-04T15:04:12.425488Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:04:12.425488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U/Ap8+W/ehAbELXHr+VGKC7zPMt50SwZu7xP50lVl6+PD6nflHPFIaQZfr1AaJKRbTElq5/9imDTzgRT/808AQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:04:12.425838Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.1881","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8b48e7b47d55de0e3816f747ed9eeac1c037d0fe1e704ff61129b0430012ed7","sha256:ea8ecf9b1fea0dcf34b49103989fc10fc997fcc75d1d8268466c8e077de87620"],"state_sha256":"6fde90aae4d82c0b9fbe6233e803b10826eade0dcba981d6d296a6d377774513"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l2zYmF0pVXYtinGarOQgfEthz3c96C8TAnGPzCgioQ3x57q1TB/RWIHuVTFWgulDtr4DUt2Ja/xnrIkAnHevDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T14:44:37.913858Z","bundle_sha256":"6acfdd89fe96573ddc71f249c67aaafb299972ea3bcb7354ae81f56eca618535"}}