{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:PFF23FIHRTWPJZXVCYRSXTFVSC","short_pith_number":"pith:PFF23FIH","canonical_record":{"source":{"id":"1307.3992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-07-15T15:30:01Z","cross_cats_sorted":[],"title_canon_sha256":"31f9a7ef471009ceeb1727ce2bde41da227c4de43e42e7ebd07ab5d61fbab088","abstract_canon_sha256":"9ce8457744728efac365a2b7c93a9a80a52f0dcd597879fbfdb40ce7f8b53180"},"schema_version":"1.0"},"canonical_sha256":"794bad95078cecf4e6f516232bccb590a39d800fb9245347f3e80fcd726ddf11","source":{"kind":"arxiv","id":"1307.3992","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3992","created_at":"2026-05-18T03:18:27Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3992v1","created_at":"2026-05-18T03:18:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3992","created_at":"2026-05-18T03:18:27Z"},{"alias_kind":"pith_short_12","alias_value":"PFF23FIHRTWP","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PFF23FIHRTWPJZXV","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PFF23FIH","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:PFF23FIHRTWPJZXVCYRSXTFVSC","target":"record","payload":{"canonical_record":{"source":{"id":"1307.3992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-07-15T15:30:01Z","cross_cats_sorted":[],"title_canon_sha256":"31f9a7ef471009ceeb1727ce2bde41da227c4de43e42e7ebd07ab5d61fbab088","abstract_canon_sha256":"9ce8457744728efac365a2b7c93a9a80a52f0dcd597879fbfdb40ce7f8b53180"},"schema_version":"1.0"},"canonical_sha256":"794bad95078cecf4e6f516232bccb590a39d800fb9245347f3e80fcd726ddf11","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:18:27.247828Z","signature_b64":"JJP7l0/Kjczu9Yv0jH9D9Zk7PxmyhBHdL72RkzsGbTMygC1u8h7oMgRDHLQoCCUWN2Vd5xj7aPqAIFUYBm5iDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"794bad95078cecf4e6f516232bccb590a39d800fb9245347f3e80fcd726ddf11","last_reissued_at":"2026-05-18T03:18:27.247234Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:18:27.247234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.3992","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":"2026-05-18T03:18:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fa4FohDIBq03NXoBbHcerzwMr6ad2XotPG8t6II7Cuay1AA/KIUdX7R09QCHSAL8D1c+0fhPY8KjsCEtZJdfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:31:36.217251Z"},"content_sha256":"4b5659282ffbaa61fc9d65c9327a0d2ecfe835ad543d0893deb289bba36d9c69","schema_version":"1.0","event_id":"sha256:4b5659282ffbaa61fc9d65c9327a0d2ecfe835ad543d0893deb289bba36d9c69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:PFF23FIHRTWPJZXVCYRSXTFVSC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards the ASTRI mini-array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Bulgarelli, A. Carosi, A. De Luca, A. Di Paola, A. Grillo, A. La Barbera, A. Misto, A. Segreto, A. Stamerra, B. Biondo, B. Sacco, C. Bigongiari, C. Morello, D. Bastieri, D. Fantinel, D. Fugazza, D. Gardiol, D. Impiombato, D. Marano, E. Cascone, E. Giro, E. Martinetti, E. Strazzeri, F. Di Pierro, F. Gianotti, F. Lucarelli, F. Russo, G. Agnetta, G. Bellassai, G. Bonanno, G. Bonnoli, G. Cusumano, G. la Rosa, G. Leto, G. Malaguti, G. Malaspina, G. Morlino, G. Pareschi, G. Rodeghiero, G. Sironi, G. Sottile, G. Tagliaferri, G. Toso, G. Tosti, J. Schwarz, L.A. Antonelli, L. Lessio, L. Stringhetti, M. Belluso, M. Capalbi, M. Cereda, M.C. Maccarone, M.C. Timpanaro, M. Fiorini, M. Ghigo, M.R. Panzera, M. Trifoglio, N. La Palombara, N. Sartore, O. Catalano, P. Bruno, P. Caraveo, P. Conconi, P. Romano, P. Vallania, R. Canestrari, R. Millul, S. Billotta, S. Giarrusso, S. Incorvaia, S. Lombardi, S. Vercellone, The CTA Consortium, T. Mineo, V. Conforti, V. De Caprio, V. La Parola, V. Mangano, V. Testa, V. Zitelli (The Astri Collaboration)","submitted_at":"2013-07-15T15:30:01Z","abstract_excerpt":"The Cherenkov Telescope Array (CTA) will consist of an array of three types of telescopes covering a wide energy range, from tens of GeV up to more than 100 TeV. The high energy section (> 3 TeV) will be covered by the Small Size Telescopes (SST). ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana) is a flagship project of the Italian Ministry of Research and Education led by INAF, aiming at the design and construction of a prototype of the Dual Mirror SST. In a second phase the ASTRI project foresees the installation of the first elements of the SST array at the CTA southern site"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3992","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":"2026-05-18T03:18:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rd2/1PxvGVheWEff0skxueJXYJr1DbVP7s5LTmd69LCM4qBWhzdqDjc4eU+c2KUMWJQk8Qy+TFHrMYW1hFE8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:31:36.217626Z"},"content_sha256":"70db8f8f0aed114adfd2ec18c39fd4d2d0c8fe061042f5e3c2d784973aec919f","schema_version":"1.0","event_id":"sha256:70db8f8f0aed114adfd2ec18c39fd4d2d0c8fe061042f5e3c2d784973aec919f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PFF23FIHRTWPJZXVCYRSXTFVSC/bundle.json","state_url":"https://pith.science/pith/PFF23FIHRTWPJZXVCYRSXTFVSC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PFF23FIHRTWPJZXVCYRSXTFVSC/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":"2026-07-07T12:31:36Z","links":{"resolver":"https://pith.science/pith/PFF23FIHRTWPJZXVCYRSXTFVSC","bundle":"https://pith.science/pith/PFF23FIHRTWPJZXVCYRSXTFVSC/bundle.json","state":"https://pith.science/pith/PFF23FIHRTWPJZXVCYRSXTFVSC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PFF23FIHRTWPJZXVCYRSXTFVSC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:PFF23FIHRTWPJZXVCYRSXTFVSC","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":"9ce8457744728efac365a2b7c93a9a80a52f0dcd597879fbfdb40ce7f8b53180","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-07-15T15:30:01Z","title_canon_sha256":"31f9a7ef471009ceeb1727ce2bde41da227c4de43e42e7ebd07ab5d61fbab088"},"schema_version":"1.0","source":{"id":"1307.3992","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3992","created_at":"2026-05-18T03:18:27Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3992v1","created_at":"2026-05-18T03:18:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3992","created_at":"2026-05-18T03:18:27Z"},{"alias_kind":"pith_short_12","alias_value":"PFF23FIHRTWP","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PFF23FIHRTWPJZXV","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PFF23FIH","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:70db8f8f0aed114adfd2ec18c39fd4d2d0c8fe061042f5e3c2d784973aec919f","target":"graph","created_at":"2026-05-18T03:18:27Z","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) will consist of an array of three types of telescopes covering a wide energy range, from tens of GeV up to more than 100 TeV. The high energy section (> 3 TeV) will be covered by the Small Size Telescopes (SST). ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana) is a flagship project of the Italian Ministry of Research and Education led by INAF, aiming at the design and construction of a prototype of the Dual Mirror SST. In a second phase the ASTRI project foresees the installation of the first elements of the SST array at the CTA southern site","authors_text":"A. Bulgarelli, A. Carosi, A. De Luca, A. Di Paola, A. Grillo, A. La Barbera, A. Misto, A. Segreto, A. Stamerra, B. Biondo, B. Sacco, C. Bigongiari, C. Morello, D. Bastieri, D. Fantinel, D. Fugazza, D. Gardiol, D. Impiombato, D. Marano, E. Cascone, E. Giro, E. Martinetti, E. Strazzeri, F. Di Pierro, F. Gianotti, F. Lucarelli, F. Russo, G. Agnetta, G. Bellassai, G. Bonanno, G. Bonnoli, G. Cusumano, G. la Rosa, G. Leto, G. Malaguti, G. Malaspina, G. Morlino, G. Pareschi, G. Rodeghiero, G. Sironi, G. Sottile, G. Tagliaferri, G. Toso, G. Tosti, J. Schwarz, L.A. Antonelli, L. Lessio, L. Stringhetti, M. Belluso, M. Capalbi, M. Cereda, M.C. Maccarone, M.C. Timpanaro, M. Fiorini, M. Ghigo, M.R. Panzera, M. Trifoglio, N. La Palombara, N. Sartore, O. Catalano, P. Bruno, P. Caraveo, P. Conconi, P. Romano, P. Vallania, R. Canestrari, R. Millul, S. Billotta, S. Giarrusso, S. Incorvaia, S. Lombardi, S. Vercellone, The CTA Consortium, T. Mineo, V. Conforti, V. De Caprio, V. La Parola, V. Mangano, V. Testa, V. Zitelli (The Astri Collaboration)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-07-15T15:30:01Z","title":"Towards the ASTRI mini-array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3992","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":"sha256:4b5659282ffbaa61fc9d65c9327a0d2ecfe835ad543d0893deb289bba36d9c69","target":"record","created_at":"2026-05-18T03:18:27Z","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":"9ce8457744728efac365a2b7c93a9a80a52f0dcd597879fbfdb40ce7f8b53180","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-07-15T15:30:01Z","title_canon_sha256":"31f9a7ef471009ceeb1727ce2bde41da227c4de43e42e7ebd07ab5d61fbab088"},"schema_version":"1.0","source":{"id":"1307.3992","kind":"arxiv","version":1}},"canonical_sha256":"794bad95078cecf4e6f516232bccb590a39d800fb9245347f3e80fcd726ddf11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"794bad95078cecf4e6f516232bccb590a39d800fb9245347f3e80fcd726ddf11","first_computed_at":"2026-05-18T03:18:27.247234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:18:27.247234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JJP7l0/Kjczu9Yv0jH9D9Zk7PxmyhBHdL72RkzsGbTMygC1u8h7oMgRDHLQoCCUWN2Vd5xj7aPqAIFUYBm5iDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:18:27.247828Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.3992","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b5659282ffbaa61fc9d65c9327a0d2ecfe835ad543d0893deb289bba36d9c69","sha256:70db8f8f0aed114adfd2ec18c39fd4d2d0c8fe061042f5e3c2d784973aec919f"],"state_sha256":"69612f261d1b2a32576252922e6f0f47ca0d7eab68d74d6f816f519e36a3beb1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KhwXNJZBzUOc0smIrfQiL9fDUTmqw4Len+xb/wQrCtq5GpIG1ZhKzwqDxUFTqfrGhug0qoyYlEzldySWEujzDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:31:36.219519Z","bundle_sha256":"bda4c0f02ef62bd9def1a07e308b4c1e510a80fa7d7d819512e0cb904c72ee75"}}