{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AXQZCXM34DSTPMARSQUQFHZ2KP","short_pith_number":"pith:AXQZCXM3","canonical_record":{"source":{"id":"1511.07515","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-24T00:06:17Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"89f52e81aafd541eb91d0ae6fef8eff7bc7610d43cd3d65b57e1ff4d4b7b8702","abstract_canon_sha256":"86776b47589c5961bfa08036689a2fb8520fb63c9b76f2960dc5087731596448"},"schema_version":"1.0"},"canonical_sha256":"05e1915d9be0e537b0119429029f3a53c5895cf7487de3fdd6d51d379cfa6d14","source":{"kind":"arxiv","id":"1511.07515","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.07515","created_at":"2026-05-18T01:26:04Z"},{"alias_kind":"arxiv_version","alias_value":"1511.07515v1","created_at":"2026-05-18T01:26:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07515","created_at":"2026-05-18T01:26:04Z"},{"alias_kind":"pith_short_12","alias_value":"AXQZCXM34DST","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AXQZCXM34DSTPMAR","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AXQZCXM3","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AXQZCXM34DSTPMARSQUQFHZ2KP","target":"record","payload":{"canonical_record":{"source":{"id":"1511.07515","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-24T00:06:17Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"89f52e81aafd541eb91d0ae6fef8eff7bc7610d43cd3d65b57e1ff4d4b7b8702","abstract_canon_sha256":"86776b47589c5961bfa08036689a2fb8520fb63c9b76f2960dc5087731596448"},"schema_version":"1.0"},"canonical_sha256":"05e1915d9be0e537b0119429029f3a53c5895cf7487de3fdd6d51d379cfa6d14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:04.600435Z","signature_b64":"D0p81RBE3npDlOVWJhb6fH0FMT6JFUofqIYC4uL3aLYFFPpAkYVra72ZjFRGStLoNQGYa/OBiVowBINx5Kc1Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05e1915d9be0e537b0119429029f3a53c5895cf7487de3fdd6d51d379cfa6d14","last_reissued_at":"2026-05-18T01:26:04.599961Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:04.599961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.07515","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":"2026-05-18T01:26:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UgJHQEaYvOkuFMDNxg6UsKf25ZIZrv8v1V9TRH5xhv+o9Gmvbcwzm/DwMsbne8LWfOtp/7cUGQVmZzxq1Fy1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:40:43.291602Z"},"content_sha256":"6899c538268e4bd15f6f3f72ddcbdf87f718e9b1d8ef4c08cf1ecbd044c11997","schema_version":"1.0","event_id":"sha256:6899c538268e4bd15f6f3f72ddcbdf87f718e9b1d8ef4c08cf1ecbd044c11997"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AXQZCXM34DSTPMARSQUQFHZ2KP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Active Galactic Nuclei: The TeV Challenge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"J. Zrake, K. Nalewajko, R. Blandford, W. East, Y. Yuan","submitted_at":"2015-11-24T00:06:17Z","abstract_excerpt":"Jets associated with Active Galactic Nuclei (AGN) have been observed for almost a century, initially at optical and radio wavelengths. They are now widely accepted as \"exhausts\" produced electromagnetically by the central, spinning, massive black hole and its orbiting, accreting gas. Observations at X-ray and, especially, gamma-ray energies have transformed our understanding of how these jets evolve dynamically, accelerate electrons (and positrons) and radiate throughout the entire electromagnetic spectrum. Some new approaches to modeling the powerful and rapidly variable TeV emission observed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07515","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":"2026-05-18T01:26:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ejGVdoHaYK1ioRczhenaAvwMNqI2DItja0afMy+U+tiOOMqWY2cbFnCSyy/vjlsZRvOjHpEHeTFER90724FqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:40:43.292301Z"},"content_sha256":"c691e501d9a7c3a2b18a292fe745e0d79a52eeec558665c6e4e12671a766d228","schema_version":"1.0","event_id":"sha256:c691e501d9a7c3a2b18a292fe745e0d79a52eeec558665c6e4e12671a766d228"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AXQZCXM34DSTPMARSQUQFHZ2KP/bundle.json","state_url":"https://pith.science/pith/AXQZCXM34DSTPMARSQUQFHZ2KP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AXQZCXM34DSTPMARSQUQFHZ2KP/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":"2026-05-25T10:40:43Z","links":{"resolver":"https://pith.science/pith/AXQZCXM34DSTPMARSQUQFHZ2KP","bundle":"https://pith.science/pith/AXQZCXM34DSTPMARSQUQFHZ2KP/bundle.json","state":"https://pith.science/pith/AXQZCXM34DSTPMARSQUQFHZ2KP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AXQZCXM34DSTPMARSQUQFHZ2KP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AXQZCXM34DSTPMARSQUQFHZ2KP","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":"86776b47589c5961bfa08036689a2fb8520fb63c9b76f2960dc5087731596448","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-24T00:06:17Z","title_canon_sha256":"89f52e81aafd541eb91d0ae6fef8eff7bc7610d43cd3d65b57e1ff4d4b7b8702"},"schema_version":"1.0","source":{"id":"1511.07515","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.07515","created_at":"2026-05-18T01:26:04Z"},{"alias_kind":"arxiv_version","alias_value":"1511.07515v1","created_at":"2026-05-18T01:26:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07515","created_at":"2026-05-18T01:26:04Z"},{"alias_kind":"pith_short_12","alias_value":"AXQZCXM34DST","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AXQZCXM34DSTPMAR","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AXQZCXM3","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:c691e501d9a7c3a2b18a292fe745e0d79a52eeec558665c6e4e12671a766d228","target":"graph","created_at":"2026-05-18T01:26:04Z","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":"Jets associated with Active Galactic Nuclei (AGN) have been observed for almost a century, initially at optical and radio wavelengths. They are now widely accepted as \"exhausts\" produced electromagnetically by the central, spinning, massive black hole and its orbiting, accreting gas. Observations at X-ray and, especially, gamma-ray energies have transformed our understanding of how these jets evolve dynamically, accelerate electrons (and positrons) and radiate throughout the entire electromagnetic spectrum. Some new approaches to modeling the powerful and rapidly variable TeV emission observed","authors_text":"J. Zrake, K. Nalewajko, R. Blandford, W. East, Y. Yuan","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-24T00:06:17Z","title":"Active Galactic Nuclei: The TeV Challenge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07515","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":"sha256:6899c538268e4bd15f6f3f72ddcbdf87f718e9b1d8ef4c08cf1ecbd044c11997","target":"record","created_at":"2026-05-18T01:26:04Z","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":"86776b47589c5961bfa08036689a2fb8520fb63c9b76f2960dc5087731596448","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-24T00:06:17Z","title_canon_sha256":"89f52e81aafd541eb91d0ae6fef8eff7bc7610d43cd3d65b57e1ff4d4b7b8702"},"schema_version":"1.0","source":{"id":"1511.07515","kind":"arxiv","version":1}},"canonical_sha256":"05e1915d9be0e537b0119429029f3a53c5895cf7487de3fdd6d51d379cfa6d14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05e1915d9be0e537b0119429029f3a53c5895cf7487de3fdd6d51d379cfa6d14","first_computed_at":"2026-05-18T01:26:04.599961Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:04.599961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D0p81RBE3npDlOVWJhb6fH0FMT6JFUofqIYC4uL3aLYFFPpAkYVra72ZjFRGStLoNQGYa/OBiVowBINx5Kc1Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:04.600435Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.07515","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6899c538268e4bd15f6f3f72ddcbdf87f718e9b1d8ef4c08cf1ecbd044c11997","sha256:c691e501d9a7c3a2b18a292fe745e0d79a52eeec558665c6e4e12671a766d228"],"state_sha256":"77372de60c53546de2ab59ccb3b968c389eac55a02736321c4bee5cd389f7845"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YLBz4j7XIaRnL9ZpqfIeP2/avt7hatEe/hXhL3vkcKuNz13kfZqRwlXYRp08GMAaWz2yIpry+LS/Bn+FP8xbDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:40:43.295676Z","bundle_sha256":"0073d71290f8dc1769f73d10cd09949ae825d1b8ff29b0041d2e97184b619f48"}}