{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:B7LIB67FR7ZFYK7CENUTQJKKRT","short_pith_number":"pith:B7LIB67F","canonical_record":{"source":{"id":"2303.01524","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-02T19:00:03Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"4d046f512bb1ce7b432839c143f14eb0d53f2892e8d3acc0eeba37cbe15b90c7","abstract_canon_sha256":"368e71f6ef25bb7eb802197b454e8a2e03934e4f4082a6bc522a64e9218107e4"},"schema_version":"1.0"},"canonical_sha256":"0fd680fbe58ff25c2be2236938254a8ce34faba62aecdf9b2dbf551d026333ff","source":{"kind":"arxiv","id":"2303.01524","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.01524","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"arxiv_version","alias_value":"2303.01524v2","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.01524","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"pith_short_12","alias_value":"B7LIB67FR7ZF","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"pith_short_16","alias_value":"B7LIB67FR7ZFYK7C","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"pith_short_8","alias_value":"B7LIB67F","created_at":"2026-07-05T05:48:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:B7LIB67FR7ZFYK7CENUTQJKKRT","target":"record","payload":{"canonical_record":{"source":{"id":"2303.01524","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-02T19:00:03Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"4d046f512bb1ce7b432839c143f14eb0d53f2892e8d3acc0eeba37cbe15b90c7","abstract_canon_sha256":"368e71f6ef25bb7eb802197b454e8a2e03934e4f4082a6bc522a64e9218107e4"},"schema_version":"1.0"},"canonical_sha256":"0fd680fbe58ff25c2be2236938254a8ce34faba62aecdf9b2dbf551d026333ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:48:53.768082Z","signature_b64":"wlA4np7xkUmC5rWKmJflOxkNGliqApl/EJRgIRgB5pdoIAP++ttW3/rvIXPhgaiUh89F+ZXHYXwCQ2Sy6PeLDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fd680fbe58ff25c2be2236938254a8ce34faba62aecdf9b2dbf551d026333ff","last_reissued_at":"2026-07-05T05:48:53.767665Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:48:53.767665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.01524","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":"2026-07-05T05:48:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BHRgZMsRm4sURjzvHR/pswqRBsY1nqGgs2d3PB4Kahyv+EtWQPfnpPcHImFEYgu0jVWuvN2+5K1doiyODFVyDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:08:00.543534Z"},"content_sha256":"575f7d28212696ea23022c518e221fdcc6d23161bc7009ec2a0729b5c05356b0","schema_version":"1.0","event_id":"sha256:575f7d28212696ea23022c518e221fdcc6d23161bc7009ec2a0729b5c05356b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:B7LIB67FR7ZFYK7CENUTQJKKRT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Where are the Cascades from Blazar Jets? An Emerging Tension in the $\\gamma$-ray sky","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Carlos Blanco, Oindrila Ghosh, Sunniva Jacobsen, Tim Linden","submitted_at":"2023-03-02T19:00:03Z","abstract_excerpt":"Blazars are among the most powerful accelerators and are expected to produce a bright TeV $\\gamma$-ray flux. However, TeV $\\gamma$-rays are attenuated by interactions with intergalactic radiation before reaching Earth. These interactions produce cascades that transfer TeV power into the GeV band, powering both extended halos around bright sources and a large contribution to the isotropic $\\gamma$-ray background (IGRB). Using conservative blazar models and recent IGRB measurements, we rule out scenarios where blazars effectively transfer their multi-TeV power into GeV $\\gamma$-rays. Three possi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.01524","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.01524/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":"2026-07-05T05:48:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yaDFHYx8LDaLX2MZdnjvR/RcHvgiIXNQ2b4KZcmebEhUjki8Lwfoe2vHEazxAGigd1slGfOayp1Lb9ECrPPsBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:08:00.544054Z"},"content_sha256":"0a0b0ac6c5c801bd9ade2cff0cf6382c3701d5ba414da9d431c27dc788eff516","schema_version":"1.0","event_id":"sha256:0a0b0ac6c5c801bd9ade2cff0cf6382c3701d5ba414da9d431c27dc788eff516"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7LIB67FR7ZFYK7CENUTQJKKRT/bundle.json","state_url":"https://pith.science/pith/B7LIB67FR7ZFYK7CENUTQJKKRT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7LIB67FR7ZFYK7CENUTQJKKRT/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":"2026-08-07T12:08:00Z","links":{"resolver":"https://pith.science/pith/B7LIB67FR7ZFYK7CENUTQJKKRT","bundle":"https://pith.science/pith/B7LIB67FR7ZFYK7CENUTQJKKRT/bundle.json","state":"https://pith.science/pith/B7LIB67FR7ZFYK7CENUTQJKKRT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7LIB67FR7ZFYK7CENUTQJKKRT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:B7LIB67FR7ZFYK7CENUTQJKKRT","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":"368e71f6ef25bb7eb802197b454e8a2e03934e4f4082a6bc522a64e9218107e4","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-02T19:00:03Z","title_canon_sha256":"4d046f512bb1ce7b432839c143f14eb0d53f2892e8d3acc0eeba37cbe15b90c7"},"schema_version":"1.0","source":{"id":"2303.01524","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.01524","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"arxiv_version","alias_value":"2303.01524v2","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.01524","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"pith_short_12","alias_value":"B7LIB67FR7ZF","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"pith_short_16","alias_value":"B7LIB67FR7ZFYK7C","created_at":"2026-07-05T05:48:53Z"},{"alias_kind":"pith_short_8","alias_value":"B7LIB67F","created_at":"2026-07-05T05:48:53Z"}],"graph_snapshots":[{"event_id":"sha256:0a0b0ac6c5c801bd9ade2cff0cf6382c3701d5ba414da9d431c27dc788eff516","target":"graph","created_at":"2026-07-05T05:48:53Z","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/2303.01524/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Blazars are among the most powerful accelerators and are expected to produce a bright TeV $\\gamma$-ray flux. However, TeV $\\gamma$-rays are attenuated by interactions with intergalactic radiation before reaching Earth. These interactions produce cascades that transfer TeV power into the GeV band, powering both extended halos around bright sources and a large contribution to the isotropic $\\gamma$-ray background (IGRB). Using conservative blazar models and recent IGRB measurements, we rule out scenarios where blazars effectively transfer their multi-TeV power into GeV $\\gamma$-rays. Three possi","authors_text":"Carlos Blanco, Oindrila Ghosh, Sunniva Jacobsen, Tim Linden","cross_cats":["astro-ph.CO","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-02T19:00:03Z","title":"Where are the Cascades from Blazar Jets? An Emerging Tension in the $\\gamma$-ray sky"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.01524","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":"sha256:575f7d28212696ea23022c518e221fdcc6d23161bc7009ec2a0729b5c05356b0","target":"record","created_at":"2026-07-05T05:48:53Z","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":"368e71f6ef25bb7eb802197b454e8a2e03934e4f4082a6bc522a64e9218107e4","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-02T19:00:03Z","title_canon_sha256":"4d046f512bb1ce7b432839c143f14eb0d53f2892e8d3acc0eeba37cbe15b90c7"},"schema_version":"1.0","source":{"id":"2303.01524","kind":"arxiv","version":2}},"canonical_sha256":"0fd680fbe58ff25c2be2236938254a8ce34faba62aecdf9b2dbf551d026333ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fd680fbe58ff25c2be2236938254a8ce34faba62aecdf9b2dbf551d026333ff","first_computed_at":"2026-07-05T05:48:53.767665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:48:53.767665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wlA4np7xkUmC5rWKmJflOxkNGliqApl/EJRgIRgB5pdoIAP++ttW3/rvIXPhgaiUh89F+ZXHYXwCQ2Sy6PeLDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:48:53.768082Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.01524","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:575f7d28212696ea23022c518e221fdcc6d23161bc7009ec2a0729b5c05356b0","sha256:0a0b0ac6c5c801bd9ade2cff0cf6382c3701d5ba414da9d431c27dc788eff516"],"state_sha256":"6efad878321eb137e3819b175d43f962eafa0719ae4e304995b49e9bcb39c3e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1KWmIookdTTDLUbSgRwdT+rq5HjdTkS0949GP1XCA+BjRSc9MCxsnPD/nkd4/8Ss8bmToVBlmId7dPXQp3yfDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T12:08:00.548532Z","bundle_sha256":"1d44fe04828e480bce0ed4074db8e15fa8c85cd734c83b9a06b0b8933cbe7c59"}}