{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:OVICRUBCFR3MG5DL33TUBW6VQ6","short_pith_number":"pith:OVICRUBC","canonical_record":{"source":{"id":"1207.7091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-30T20:28:40Z","cross_cats_sorted":[],"title_canon_sha256":"4a06103ed4d860772e57ea5395cc6fc8f2f3ddb29bc6cf9fa7242a55aa27a5c1","abstract_canon_sha256":"3e356643ba6cd268c724a29adf937df3708229dedd9b27408b35e91c774d261c"},"schema_version":"1.0"},"canonical_sha256":"755028d0222c76c3746bdee740dbd587a8184077b9afa35ec203d23f3f5d32fe","source":{"kind":"arxiv","id":"1207.7091","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.7091","created_at":"2026-05-18T03:49:46Z"},{"alias_kind":"arxiv_version","alias_value":"1207.7091v1","created_at":"2026-05-18T03:49:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.7091","created_at":"2026-05-18T03:49:46Z"},{"alias_kind":"pith_short_12","alias_value":"OVICRUBCFR3M","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OVICRUBCFR3MG5DL","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OVICRUBC","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:OVICRUBCFR3MG5DL33TUBW6VQ6","target":"record","payload":{"canonical_record":{"source":{"id":"1207.7091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-30T20:28:40Z","cross_cats_sorted":[],"title_canon_sha256":"4a06103ed4d860772e57ea5395cc6fc8f2f3ddb29bc6cf9fa7242a55aa27a5c1","abstract_canon_sha256":"3e356643ba6cd268c724a29adf937df3708229dedd9b27408b35e91c774d261c"},"schema_version":"1.0"},"canonical_sha256":"755028d0222c76c3746bdee740dbd587a8184077b9afa35ec203d23f3f5d32fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:46.830340Z","signature_b64":"KBoUmpJucPbkNCpoh91iQdA2ALTXh9Vg9UCsjPxe9PyU8jw/FpTUXLT4Qw03Wf0r1oZkObZdjuZu/HgcZZhnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"755028d0222c76c3746bdee740dbd587a8184077b9afa35ec203d23f3f5d32fe","last_reissued_at":"2026-05-18T03:49:46.829467Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:46.829467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.7091","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":"2026-05-18T03:49:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5tcVRGSA9Gdle2++bLGB8yaUl09M8/Vq/5smdyb2jnCKRtNPPGc+UxEDMmu2arH6v6k5L4Qnrw7kXlHuRv1CAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:04:16.483422Z"},"content_sha256":"01785c092eba7cf93a87dde2726592e79e774420b035b64f3128c51bc57b8e8d","schema_version":"1.0","event_id":"sha256:01785c092eba7cf93a87dde2726592e79e774420b035b64f3128c51bc57b8e8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:OVICRUBCFR3MG5DL33TUBW6VQ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synchrotron Emission from Pair Cascades in AGN Environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"2), (2) Rice University), Markus Boettcher (1) ((1) Ohio University, Parisa Roustazadeh (1","submitted_at":"2012-07-30T20:28:40Z","abstract_excerpt":"Recent detections of very-high-energy (VHE, E > 100 GeV) gamma-ray blazars which do not belong to the high frequency peaked BL Lac (HBL) class, suggest that gamma-gamma absorption and pair cascading might occur in those objects. In the presence of even weak magnetic fields, these Compton-supported pair cascades will be deflected and contribute to the Fermi gamma-ray flux of radio galaxies. We demonstrate that, in this scenario, the magnetic field can not be determined from a fit of the cascade emission to the gamma-ray spectrum alone, and the degeneracy can only be lifted if the synchrotron em"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.7091","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":"2026-05-18T03:49:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xSBHYuXDcfyh/PAVwMwOiZF176E7/yDp9fe10jZ/+ZmYUDRaYU/irWObrHBhlG3xfGCqAuLcRm29eWb2qIahDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:04:16.483979Z"},"content_sha256":"6ad00e59d110efc6e48dac29a2bb4ee941fd1b42c3d3f98b3fca2ca8d4a3fd5d","schema_version":"1.0","event_id":"sha256:6ad00e59d110efc6e48dac29a2bb4ee941fd1b42c3d3f98b3fca2ca8d4a3fd5d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OVICRUBCFR3MG5DL33TUBW6VQ6/bundle.json","state_url":"https://pith.science/pith/OVICRUBCFR3MG5DL33TUBW6VQ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OVICRUBCFR3MG5DL33TUBW6VQ6/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":"2026-06-08T17:04:16Z","links":{"resolver":"https://pith.science/pith/OVICRUBCFR3MG5DL33TUBW6VQ6","bundle":"https://pith.science/pith/OVICRUBCFR3MG5DL33TUBW6VQ6/bundle.json","state":"https://pith.science/pith/OVICRUBCFR3MG5DL33TUBW6VQ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OVICRUBCFR3MG5DL33TUBW6VQ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OVICRUBCFR3MG5DL33TUBW6VQ6","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":"3e356643ba6cd268c724a29adf937df3708229dedd9b27408b35e91c774d261c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-30T20:28:40Z","title_canon_sha256":"4a06103ed4d860772e57ea5395cc6fc8f2f3ddb29bc6cf9fa7242a55aa27a5c1"},"schema_version":"1.0","source":{"id":"1207.7091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.7091","created_at":"2026-05-18T03:49:46Z"},{"alias_kind":"arxiv_version","alias_value":"1207.7091v1","created_at":"2026-05-18T03:49:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.7091","created_at":"2026-05-18T03:49:46Z"},{"alias_kind":"pith_short_12","alias_value":"OVICRUBCFR3M","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OVICRUBCFR3MG5DL","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OVICRUBC","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:6ad00e59d110efc6e48dac29a2bb4ee941fd1b42c3d3f98b3fca2ca8d4a3fd5d","target":"graph","created_at":"2026-05-18T03:49:46Z","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":"Recent detections of very-high-energy (VHE, E > 100 GeV) gamma-ray blazars which do not belong to the high frequency peaked BL Lac (HBL) class, suggest that gamma-gamma absorption and pair cascading might occur in those objects. In the presence of even weak magnetic fields, these Compton-supported pair cascades will be deflected and contribute to the Fermi gamma-ray flux of radio galaxies. We demonstrate that, in this scenario, the magnetic field can not be determined from a fit of the cascade emission to the gamma-ray spectrum alone, and the degeneracy can only be lifted if the synchrotron em","authors_text":"2), (2) Rice University), Markus Boettcher (1) ((1) Ohio University, Parisa Roustazadeh (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-30T20:28:40Z","title":"Synchrotron Emission from Pair Cascades in AGN Environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.7091","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":"sha256:01785c092eba7cf93a87dde2726592e79e774420b035b64f3128c51bc57b8e8d","target":"record","created_at":"2026-05-18T03:49:46Z","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":"3e356643ba6cd268c724a29adf937df3708229dedd9b27408b35e91c774d261c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-30T20:28:40Z","title_canon_sha256":"4a06103ed4d860772e57ea5395cc6fc8f2f3ddb29bc6cf9fa7242a55aa27a5c1"},"schema_version":"1.0","source":{"id":"1207.7091","kind":"arxiv","version":1}},"canonical_sha256":"755028d0222c76c3746bdee740dbd587a8184077b9afa35ec203d23f3f5d32fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"755028d0222c76c3746bdee740dbd587a8184077b9afa35ec203d23f3f5d32fe","first_computed_at":"2026-05-18T03:49:46.829467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:46.829467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KBoUmpJucPbkNCpoh91iQdA2ALTXh9Vg9UCsjPxe9PyU8jw/FpTUXLT4Qw03Wf0r1oZkObZdjuZu/HgcZZhnCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:46.830340Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.7091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01785c092eba7cf93a87dde2726592e79e774420b035b64f3128c51bc57b8e8d","sha256:6ad00e59d110efc6e48dac29a2bb4ee941fd1b42c3d3f98b3fca2ca8d4a3fd5d"],"state_sha256":"409a6a1e9a7eb30bfbabf8c0a001e087b8a2d83ac9e415ffa238e26f8c51fe94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rJC/t2RHnvnP2NbAUXOKjgKVeJLy/NklX+h7GBht+JPapQexCn0D1wiLtt4/5SIR4wwKY09q4bF1sQDOylxWBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T17:04:16.487597Z","bundle_sha256":"ecfbc3ebdb1206815ff46d46dadfeb268f21d5bd7cd2b7a8f4467d909d67064f"}}