{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:FCBAXTLV3VXFUYT4SAFWI77UO3","short_pith_number":"pith:FCBAXTLV","canonical_record":{"source":{"id":"1610.07533","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-24T18:38:27Z","cross_cats_sorted":[],"title_canon_sha256":"b9461baf38f081e25ddbc5db470020bde134eaf38d7f1d0d4fd898212dab80de","abstract_canon_sha256":"2f51f159ed3bf874213282b1e2ede4750e2eeed110aa624687fbd30ebdf983c5"},"schema_version":"1.0"},"canonical_sha256":"28820bcd75dd6e5a627c900b647ff476fef7dcfb1b406ce9f596cf5d9ac390ee","source":{"kind":"arxiv","id":"1610.07533","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07533","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07533v1","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07533","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"pith_short_12","alias_value":"FCBAXTLV3VXF","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FCBAXTLV3VXFUYT4","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FCBAXTLV","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:FCBAXTLV3VXFUYT4SAFWI77UO3","target":"record","payload":{"canonical_record":{"source":{"id":"1610.07533","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-24T18:38:27Z","cross_cats_sorted":[],"title_canon_sha256":"b9461baf38f081e25ddbc5db470020bde134eaf38d7f1d0d4fd898212dab80de","abstract_canon_sha256":"2f51f159ed3bf874213282b1e2ede4750e2eeed110aa624687fbd30ebdf983c5"},"schema_version":"1.0"},"canonical_sha256":"28820bcd75dd6e5a627c900b647ff476fef7dcfb1b406ce9f596cf5d9ac390ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:43.009897Z","signature_b64":"Zkwsad8UbNmmrZpawtMCzBznQB3ikTHxJuXWmAKdN+7Gk/jF289Mn06wyKkbq+tPNrcYlDfWu/D077isinAjBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28820bcd75dd6e5a627c900b647ff476fef7dcfb1b406ce9f596cf5d9ac390ee","last_reissued_at":"2026-05-18T00:51:43.009257Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:43.009257Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.07533","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":"2026-05-18T00:51:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IudO4iywzc9r2CBypfczkJpf2UMDJcypKhjJRRiPglaMftTIcSgUxrpIt8tUH3/RVVuOt3Wi6GnSYfeMuQNgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:31:37.796885Z"},"content_sha256":"35b05c8302b0ccea27a5cea68f974c51ba9ecc69c6fd6efb4268c3c1950f9b41","schema_version":"1.0","event_id":"sha256:35b05c8302b0ccea27a5cea68f974c51ba9ecc69c6fd6efb4268c3c1950f9b41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:FCBAXTLV3VXFUYT4SAFWI77UO3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EBL effect on the observation of multi-TeV flaring of 2009 from Markarian 501","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alberto Rosales de Le\\'on, Luis Salvador Miranda, Marco Vladimir Lemus Y\\'a\\~nez, Sarira Sahu, Virendra Gupta","submitted_at":"2016-10-24T18:38:27Z","abstract_excerpt":"Markarian 501 is a high-peaked BL Lacertae object and has undergone many major outburst since its discovery in 1996. As a part of the multiwavelength campaign, in the year 2009 this blazar was observed for 4.5 months from March 9 to August 1 and during the period April 17 to May 5 it was observed by both space and ground based observatories covering the entire electromagnetic spectrum. A very strong high energy $\\gamma$-ray flare was observed on May 1 by Whipple telescope in the energy range 317 GeV to 5 TeV and the flux was about 10 times higher than the baseline flux. We use the photohadroni"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07533","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":"2026-05-18T00:51:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Mo+DuLIRTAT4HAeA0Q8xZdjSPwhFaHS2UeFGGWIdJnJ6kTCOBhaqvsmA53hBSCBTj7rhKt1H1pk0HfL05wgBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:31:37.797546Z"},"content_sha256":"e8b508f3959375a82081edf3883a90c4d4d83c7c0471164632b62641fe2ca643","schema_version":"1.0","event_id":"sha256:e8b508f3959375a82081edf3883a90c4d4d83c7c0471164632b62641fe2ca643"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FCBAXTLV3VXFUYT4SAFWI77UO3/bundle.json","state_url":"https://pith.science/pith/FCBAXTLV3VXFUYT4SAFWI77UO3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FCBAXTLV3VXFUYT4SAFWI77UO3/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":"2026-05-25T23:31:37Z","links":{"resolver":"https://pith.science/pith/FCBAXTLV3VXFUYT4SAFWI77UO3","bundle":"https://pith.science/pith/FCBAXTLV3VXFUYT4SAFWI77UO3/bundle.json","state":"https://pith.science/pith/FCBAXTLV3VXFUYT4SAFWI77UO3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FCBAXTLV3VXFUYT4SAFWI77UO3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FCBAXTLV3VXFUYT4SAFWI77UO3","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":"2f51f159ed3bf874213282b1e2ede4750e2eeed110aa624687fbd30ebdf983c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-24T18:38:27Z","title_canon_sha256":"b9461baf38f081e25ddbc5db470020bde134eaf38d7f1d0d4fd898212dab80de"},"schema_version":"1.0","source":{"id":"1610.07533","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07533","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07533v1","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07533","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"pith_short_12","alias_value":"FCBAXTLV3VXF","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FCBAXTLV3VXFUYT4","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FCBAXTLV","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:e8b508f3959375a82081edf3883a90c4d4d83c7c0471164632b62641fe2ca643","target":"graph","created_at":"2026-05-18T00:51:43Z","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":"Markarian 501 is a high-peaked BL Lacertae object and has undergone many major outburst since its discovery in 1996. As a part of the multiwavelength campaign, in the year 2009 this blazar was observed for 4.5 months from March 9 to August 1 and during the period April 17 to May 5 it was observed by both space and ground based observatories covering the entire electromagnetic spectrum. A very strong high energy $\\gamma$-ray flare was observed on May 1 by Whipple telescope in the energy range 317 GeV to 5 TeV and the flux was about 10 times higher than the baseline flux. We use the photohadroni","authors_text":"Alberto Rosales de Le\\'on, Luis Salvador Miranda, Marco Vladimir Lemus Y\\'a\\~nez, Sarira Sahu, Virendra Gupta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-24T18:38:27Z","title":"EBL effect on the observation of multi-TeV flaring of 2009 from Markarian 501"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07533","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":"sha256:35b05c8302b0ccea27a5cea68f974c51ba9ecc69c6fd6efb4268c3c1950f9b41","target":"record","created_at":"2026-05-18T00:51:43Z","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":"2f51f159ed3bf874213282b1e2ede4750e2eeed110aa624687fbd30ebdf983c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-24T18:38:27Z","title_canon_sha256":"b9461baf38f081e25ddbc5db470020bde134eaf38d7f1d0d4fd898212dab80de"},"schema_version":"1.0","source":{"id":"1610.07533","kind":"arxiv","version":1}},"canonical_sha256":"28820bcd75dd6e5a627c900b647ff476fef7dcfb1b406ce9f596cf5d9ac390ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28820bcd75dd6e5a627c900b647ff476fef7dcfb1b406ce9f596cf5d9ac390ee","first_computed_at":"2026-05-18T00:51:43.009257Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:43.009257Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zkwsad8UbNmmrZpawtMCzBznQB3ikTHxJuXWmAKdN+7Gk/jF289Mn06wyKkbq+tPNrcYlDfWu/D077isinAjBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:43.009897Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.07533","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35b05c8302b0ccea27a5cea68f974c51ba9ecc69c6fd6efb4268c3c1950f9b41","sha256:e8b508f3959375a82081edf3883a90c4d4d83c7c0471164632b62641fe2ca643"],"state_sha256":"b323db9286e1b09b058f9f6140167b9c4e81178bde7a08062b002bd7a02ccc39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QIcgjIX09UxXDGbZy8irzsLAxsBvD79Lt/sPRU6/7OFTGUgBJn79Vz5kf5dhpEL4IUuEhgq+oXwzPGoKaebrBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:31:37.800919Z","bundle_sha256":"f108f3cd5c3755315960c537c81eea20f36e196401f5185de7b9df66e94de85a"}}