{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:SSFG2CMIZWWKQGEZW2VTSGVLGN","short_pith_number":"pith:SSFG2CMI","canonical_record":{"source":{"id":"1610.01398","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-05T13:07:13Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2981d34fd2d3b2b7feaa818a6e74a5af04c30adbf0491e621bcd877643fc8da9","abstract_canon_sha256":"c7fcfcdff7e139d66ce1f4f2c03114c32a97eb41ecbc6a1fac5bf0052a5ebb6f"},"schema_version":"1.0"},"canonical_sha256":"948a6d0988cdaca81899b6ab391aab3360d1aafb1bafcbf219fa0218a7b40824","source":{"kind":"arxiv","id":"1610.01398","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.01398","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"arxiv_version","alias_value":"1610.01398v1","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01398","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"pith_short_12","alias_value":"SSFG2CMIZWWK","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SSFG2CMIZWWKQGEZ","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SSFG2CMI","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:SSFG2CMIZWWKQGEZW2VTSGVLGN","target":"record","payload":{"canonical_record":{"source":{"id":"1610.01398","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-05T13:07:13Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2981d34fd2d3b2b7feaa818a6e74a5af04c30adbf0491e621bcd877643fc8da9","abstract_canon_sha256":"c7fcfcdff7e139d66ce1f4f2c03114c32a97eb41ecbc6a1fac5bf0052a5ebb6f"},"schema_version":"1.0"},"canonical_sha256":"948a6d0988cdaca81899b6ab391aab3360d1aafb1bafcbf219fa0218a7b40824","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:40.072743Z","signature_b64":"HCznWINSNZTnviQjIu+Vqsi1UWrAka1ynLhDMHzUtJvOjT7M0guljgCB8aeEKVtjL+5sGfzQOq6XY8ZTr62xAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"948a6d0988cdaca81899b6ab391aab3360d1aafb1bafcbf219fa0218a7b40824","last_reissued_at":"2026-05-18T00:39:40.072033Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:40.072033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.01398","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":"2026-05-18T00:39:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E6hTG9Yl37NtgwtWnG2tYF0GJNAz5gV22KHE9wkqf7rDecX2EQcCrYAm73vUd2nnJkI1o0rk/OfXOb2TiM9VDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:20:05.152689Z"},"content_sha256":"e937b1e2db0e74c85d20cf6e23f56ec9ff40da934d916b6fc3348b5d3acdf1be","schema_version":"1.0","event_id":"sha256:e937b1e2db0e74c85d20cf6e23f56ec9ff40da934d916b6fc3348b5d3acdf1be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:SSFG2CMIZWWKQGEZW2VTSGVLGN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Gamma-ray Cherenkov Telescope for the Cherenkov Telescope Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"A. Abchiche, A. Balzer, A. De Franco, A.M. Brown, A. Okumura, A. Zech, A. Zink, C. Boisson, C.B. Rulten, C. Trichard, D. Allan, D. Berge, D. Dumas, D. Jankowsky, D. Ross, F. De Frondat, F. Sayede, G. Buchholtz, G. Cotter, G. Fasola, G. Rowell, H. Costantini, H. Schoorlemmer, H. Sol, H. Tajima, I. Jegouzo, J.A. Graham, J.A. Hinton, J. Gironnet, J.-J. Bousquet, J.J. Watson, J.-L. Dournaux, J. Lefaucheur, J.-M. Huet, J.-P. Amans, J.-P. Ernenwein, J.P. Osborne, J. Schmoll, J.S. Lapington, J. Sykes, J. Thornhill, J. Vink, J. Zorn, L. Mohrmann, L. Tibaldo, M. Bryan, M.K. Daniel, M. Kraus, M. Servillat, M. Stephan, N. Hidaka, N. Yamane, O. Hervet, P. Laporte, P.M. Chadwick, P. Molyneux, R.D. Parsons, R. Stuik, R. White, S. Funk, S.J. Nolan, S. Markoff, S. Rosen, T. Greenshaw, The CTA Consortium, T. Jogler, T. Melse, T.P. Armstrong, V. Stamatescu, Y. Sato","submitted_at":"2016-10-05T13:07:13Z","abstract_excerpt":"The Cherenkov Telescope Array (CTA) is a forthcoming ground-based observatory for very-high-energy gamma rays. CTA will consist of two arrays of imaging atmospheric Cherenkov telescopes in the Northern and Southern hemispheres, and will combine telescopes of different types to achieve unprecedented performance and energy coverage. The Gamma-ray Cherenkov Telescope (GCT) is one of the small-sized telescopes proposed for CTA to explore the energy range from a few TeV to hundreds of TeV with a field of view $\\gtrsim 8^\\circ$ and angular resolution of a few arcminutes. The GCT design features dual"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01398","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":"2026-05-18T00:39:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iYzFW3LeQkU4QpI8mK1/ehG3Y7TBfvcb8T0o/1wm+FJehdtpLoQeI48mvfdiTZGgUbj6nZNzWksMiXYErFUPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:20:05.153046Z"},"content_sha256":"b6230e2f438ddd7b26762be23a6bfd0210c3bbb14ba521f704d98156e0a16db9","schema_version":"1.0","event_id":"sha256:b6230e2f438ddd7b26762be23a6bfd0210c3bbb14ba521f704d98156e0a16db9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SSFG2CMIZWWKQGEZW2VTSGVLGN/bundle.json","state_url":"https://pith.science/pith/SSFG2CMIZWWKQGEZW2VTSGVLGN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SSFG2CMIZWWKQGEZW2VTSGVLGN/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":"2026-05-30T16:20:05Z","links":{"resolver":"https://pith.science/pith/SSFG2CMIZWWKQGEZW2VTSGVLGN","bundle":"https://pith.science/pith/SSFG2CMIZWWKQGEZW2VTSGVLGN/bundle.json","state":"https://pith.science/pith/SSFG2CMIZWWKQGEZW2VTSGVLGN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SSFG2CMIZWWKQGEZW2VTSGVLGN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:SSFG2CMIZWWKQGEZW2VTSGVLGN","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":"c7fcfcdff7e139d66ce1f4f2c03114c32a97eb41ecbc6a1fac5bf0052a5ebb6f","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-05T13:07:13Z","title_canon_sha256":"2981d34fd2d3b2b7feaa818a6e74a5af04c30adbf0491e621bcd877643fc8da9"},"schema_version":"1.0","source":{"id":"1610.01398","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.01398","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"arxiv_version","alias_value":"1610.01398v1","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01398","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"pith_short_12","alias_value":"SSFG2CMIZWWK","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SSFG2CMIZWWKQGEZ","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SSFG2CMI","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:b6230e2f438ddd7b26762be23a6bfd0210c3bbb14ba521f704d98156e0a16db9","target":"graph","created_at":"2026-05-18T00:39:40Z","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":"The Cherenkov Telescope Array (CTA) is a forthcoming ground-based observatory for very-high-energy gamma rays. CTA will consist of two arrays of imaging atmospheric Cherenkov telescopes in the Northern and Southern hemispheres, and will combine telescopes of different types to achieve unprecedented performance and energy coverage. The Gamma-ray Cherenkov Telescope (GCT) is one of the small-sized telescopes proposed for CTA to explore the energy range from a few TeV to hundreds of TeV with a field of view $\\gtrsim 8^\\circ$ and angular resolution of a few arcminutes. The GCT design features dual","authors_text":"A. Abchiche, A. Balzer, A. De Franco, A.M. Brown, A. Okumura, A. Zech, A. Zink, C. Boisson, C.B. Rulten, C. Trichard, D. Allan, D. Berge, D. Dumas, D. Jankowsky, D. Ross, F. De Frondat, F. Sayede, G. Buchholtz, G. Cotter, G. Fasola, G. Rowell, H. Costantini, H. Schoorlemmer, H. Sol, H. Tajima, I. Jegouzo, J.A. Graham, J.A. Hinton, J. Gironnet, J.-J. Bousquet, J.J. Watson, J.-L. Dournaux, J. Lefaucheur, J.-M. Huet, J.-P. Amans, J.-P. Ernenwein, J.P. Osborne, J. Schmoll, J.S. Lapington, J. Sykes, J. Thornhill, J. Vink, J. Zorn, L. Mohrmann, L. Tibaldo, M. Bryan, M.K. Daniel, M. Kraus, M. Servillat, M. Stephan, N. Hidaka, N. Yamane, O. Hervet, P. Laporte, P.M. Chadwick, P. Molyneux, R.D. Parsons, R. Stuik, R. White, S. Funk, S.J. Nolan, S. Markoff, S. Rosen, T. Greenshaw, The CTA Consortium, T. Jogler, T. Melse, T.P. Armstrong, V. Stamatescu, Y. Sato","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-05T13:07:13Z","title":"The Gamma-ray Cherenkov Telescope for the Cherenkov Telescope Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01398","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:e937b1e2db0e74c85d20cf6e23f56ec9ff40da934d916b6fc3348b5d3acdf1be","target":"record","created_at":"2026-05-18T00:39:40Z","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":"c7fcfcdff7e139d66ce1f4f2c03114c32a97eb41ecbc6a1fac5bf0052a5ebb6f","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-05T13:07:13Z","title_canon_sha256":"2981d34fd2d3b2b7feaa818a6e74a5af04c30adbf0491e621bcd877643fc8da9"},"schema_version":"1.0","source":{"id":"1610.01398","kind":"arxiv","version":1}},"canonical_sha256":"948a6d0988cdaca81899b6ab391aab3360d1aafb1bafcbf219fa0218a7b40824","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"948a6d0988cdaca81899b6ab391aab3360d1aafb1bafcbf219fa0218a7b40824","first_computed_at":"2026-05-18T00:39:40.072033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:40.072033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HCznWINSNZTnviQjIu+Vqsi1UWrAka1ynLhDMHzUtJvOjT7M0guljgCB8aeEKVtjL+5sGfzQOq6XY8ZTr62xAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:40.072743Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.01398","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e937b1e2db0e74c85d20cf6e23f56ec9ff40da934d916b6fc3348b5d3acdf1be","sha256:b6230e2f438ddd7b26762be23a6bfd0210c3bbb14ba521f704d98156e0a16db9"],"state_sha256":"13163ab7ebab3599fd85b0725e16bd5a6d47d17ea164dc5b748e3707e73fa20a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7cAd0ZyHpy0QeXek/z97rX9SWwGGEP3A/+Brm4JZboCI8oIGf/P+Nk1kvZ45J3uTIJbRaVRBHCmMADi90DU/Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:20:05.155186Z","bundle_sha256":"d895f2d113beb55f98b6ebf8f7649a988888f4a05975df51eaa9f9b554b6bb64"}}