{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:G4Z5SEHGVGV5ACTZESPEPNKTA6","short_pith_number":"pith:G4Z5SEHG","canonical_record":{"source":{"id":"astro-ph/9712325","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-24T17:46:20Z","cross_cats_sorted":[],"title_canon_sha256":"2d1e96cec5bf8d9f1dd83ba9ac15c167b16f7652b37902b8f7fe04cae3dc366e","abstract_canon_sha256":"ec45eab80f42151475db967462c47c98fca35f93e9ae906c948145dd2735f50b"},"schema_version":"1.0"},"canonical_sha256":"3733d910e6a9abd00a79249e47b55307b7e4e4e88b233e5a1b75447620d24c55","source":{"kind":"arxiv","id":"astro-ph/9712325","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9712325","created_at":"2026-05-18T04:33:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9712325v1","created_at":"2026-05-18T04:33:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9712325","created_at":"2026-05-18T04:33:16Z"},{"alias_kind":"pith_short_12","alias_value":"G4Z5SEHGVGV5","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"G4Z5SEHGVGV5ACTZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"G4Z5SEHG","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:G4Z5SEHGVGV5ACTZESPEPNKTA6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9712325","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-24T17:46:20Z","cross_cats_sorted":[],"title_canon_sha256":"2d1e96cec5bf8d9f1dd83ba9ac15c167b16f7652b37902b8f7fe04cae3dc366e","abstract_canon_sha256":"ec45eab80f42151475db967462c47c98fca35f93e9ae906c948145dd2735f50b"},"schema_version":"1.0"},"canonical_sha256":"3733d910e6a9abd00a79249e47b55307b7e4e4e88b233e5a1b75447620d24c55","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:16.717703Z","signature_b64":"KquKWX+Fipot9l1BnapiuKiBxMpHiA6ETNU/qU2hHw8zQLDmyqlLs5wGZqB3KdG5CChiZUTO5ld53qqefa5wAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3733d910e6a9abd00a79249e47b55307b7e4e4e88b233e5a1b75447620d24c55","last_reissued_at":"2026-05-18T04:33:16.717214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:16.717214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9712325","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":"2026-05-18T04:33:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bf3w+GU00nvNtkCKWsTnpbgIDa3yWfaL1PwyK65ouUR/vMA4M3H8XLLWqkxy9mRhMgy6V/0XERTS3Ajtz1czDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:51:00.386343Z"},"content_sha256":"592f01635a64403c64f9da74a22731988825d0deba146726ca43d53a5fcd23d4","schema_version":"1.0","event_id":"sha256:592f01635a64403c64f9da74a22731988825d0deba146726ca43d53a5fcd23d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:G4Z5SEHGVGV5ACTZESPEPNKTA6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of >350 GeV Gamma Rays from the BL Lacertae Object 1ES 2344+514","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. J. Rodgers, A. M. Burdett, A. M. Hillas, C. Masterson, C. W. Akerlof, C. W. Wilson, D. A. Carter-Lewis, D. J. Fegan, F. Krennrich, F. W. Samuelson, G. H. Sembroski, G. Mohanty, H. J. Rose, H. M. Badran, I. H. Bond, J. A. Gaidos, J. Bussons Gordo, J. E. McEnery, J. H. Buckley, J. P. Finley, J. Quinn, J. Zweerink, M. Catanese, M. F. Cawley, M. S. Schubnell, P. J. Boyle, R. C. Lamb, R. Srinivasan, R. W. Lessard, S. D. Biller, S. M. Bradbury, T. C. Weekes, T. Hall, V. Connaughton","submitted_at":"1997-12-24T17:46:20Z","abstract_excerpt":"We present the discovery of >350 GeV gamma-ray emission from the BL Lacertae object 1ES 2344+514 with the Whipple Observatory 10m gamma-ray telescope. This is the third BL Lac object detected at gamma-ray energies above 300 Gev, the other two being Markarian 421 (Mrk 421) and Mrk501. These three active galactic nuclei are all X-ray selected and have the lowest known redshifts of any BL Lac objects currently identified. The evidence for emission derives primarily from an apparent flare on December 20, 1995 when a 6 sigma excess was detected with a flux approximately 63% of the very high energy "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9712325","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":"2026-05-18T04:33:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ulQYmnJZqmMmEaFgBkcN44M/A8tVzWMRARTC9qmN0/SOWIQi9oevyc221K0SbsW2sHDuAuagcYEvpEKiOoCoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:51:00.386690Z"},"content_sha256":"86eb4f44ea826a74287f20ab5fb66f5beb7cd50cb1734b524f82a62257052322","schema_version":"1.0","event_id":"sha256:86eb4f44ea826a74287f20ab5fb66f5beb7cd50cb1734b524f82a62257052322"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G4Z5SEHGVGV5ACTZESPEPNKTA6/bundle.json","state_url":"https://pith.science/pith/G4Z5SEHGVGV5ACTZESPEPNKTA6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G4Z5SEHGVGV5ACTZESPEPNKTA6/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":"2026-06-03T17:51:00Z","links":{"resolver":"https://pith.science/pith/G4Z5SEHGVGV5ACTZESPEPNKTA6","bundle":"https://pith.science/pith/G4Z5SEHGVGV5ACTZESPEPNKTA6/bundle.json","state":"https://pith.science/pith/G4Z5SEHGVGV5ACTZESPEPNKTA6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G4Z5SEHGVGV5ACTZESPEPNKTA6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:G4Z5SEHGVGV5ACTZESPEPNKTA6","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":"ec45eab80f42151475db967462c47c98fca35f93e9ae906c948145dd2735f50b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-24T17:46:20Z","title_canon_sha256":"2d1e96cec5bf8d9f1dd83ba9ac15c167b16f7652b37902b8f7fe04cae3dc366e"},"schema_version":"1.0","source":{"id":"astro-ph/9712325","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9712325","created_at":"2026-05-18T04:33:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9712325v1","created_at":"2026-05-18T04:33:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9712325","created_at":"2026-05-18T04:33:16Z"},{"alias_kind":"pith_short_12","alias_value":"G4Z5SEHGVGV5","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"G4Z5SEHGVGV5ACTZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"G4Z5SEHG","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:86eb4f44ea826a74287f20ab5fb66f5beb7cd50cb1734b524f82a62257052322","target":"graph","created_at":"2026-05-18T04:33:16Z","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":"We present the discovery of >350 GeV gamma-ray emission from the BL Lacertae object 1ES 2344+514 with the Whipple Observatory 10m gamma-ray telescope. This is the third BL Lac object detected at gamma-ray energies above 300 Gev, the other two being Markarian 421 (Mrk 421) and Mrk501. These three active galactic nuclei are all X-ray selected and have the lowest known redshifts of any BL Lac objects currently identified. The evidence for emission derives primarily from an apparent flare on December 20, 1995 when a 6 sigma excess was detected with a flux approximately 63% of the very high energy ","authors_text":"A. J. Rodgers, A. M. Burdett, A. M. Hillas, C. Masterson, C. W. Akerlof, C. W. Wilson, D. A. Carter-Lewis, D. J. Fegan, F. Krennrich, F. W. Samuelson, G. H. Sembroski, G. Mohanty, H. J. Rose, H. M. Badran, I. H. Bond, J. A. Gaidos, J. Bussons Gordo, J. E. McEnery, J. H. Buckley, J. P. Finley, J. Quinn, J. Zweerink, M. Catanese, M. F. Cawley, M. S. Schubnell, P. J. Boyle, R. C. Lamb, R. Srinivasan, R. W. Lessard, S. D. Biller, S. M. Bradbury, T. C. Weekes, T. Hall, V. Connaughton","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-12-24T17:46:20Z","title":"Discovery of >350 GeV Gamma Rays from the BL Lacertae Object 1ES 2344+514"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9712325","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":"sha256:592f01635a64403c64f9da74a22731988825d0deba146726ca43d53a5fcd23d4","target":"record","created_at":"2026-05-18T04:33:16Z","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":"ec45eab80f42151475db967462c47c98fca35f93e9ae906c948145dd2735f50b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-24T17:46:20Z","title_canon_sha256":"2d1e96cec5bf8d9f1dd83ba9ac15c167b16f7652b37902b8f7fe04cae3dc366e"},"schema_version":"1.0","source":{"id":"astro-ph/9712325","kind":"arxiv","version":1}},"canonical_sha256":"3733d910e6a9abd00a79249e47b55307b7e4e4e88b233e5a1b75447620d24c55","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3733d910e6a9abd00a79249e47b55307b7e4e4e88b233e5a1b75447620d24c55","first_computed_at":"2026-05-18T04:33:16.717214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:16.717214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KquKWX+Fipot9l1BnapiuKiBxMpHiA6ETNU/qU2hHw8zQLDmyqlLs5wGZqB3KdG5CChiZUTO5ld53qqefa5wAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:16.717703Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9712325","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:592f01635a64403c64f9da74a22731988825d0deba146726ca43d53a5fcd23d4","sha256:86eb4f44ea826a74287f20ab5fb66f5beb7cd50cb1734b524f82a62257052322"],"state_sha256":"fc30a8bd2696f1e8c4ced0f8f3c81611ed65c34a84a550a534d815731596adf8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eZKsrQNFAHwcTiOoXwD9BllgISGyGreJ0J9IUaYIXVHts63+Ca7V6IU5LePUv5Z2kxNo5PxamNQr4jGwEEZzAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T17:51:00.388537Z","bundle_sha256":"13dfe6e341ca70cd3c98ab6e7a97467761741aad0ab39a254a35090205d00df6"}}