{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:72QBDG2PVDBFRQIFYWET6PSW32","short_pith_number":"pith:72QBDG2P","canonical_record":{"source":{"id":"1309.7083","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-26T22:34:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"39cae8e75d2e8dee39a72ad00d40a1748e0f0cf5253cf4203b8700bd8869fca1","abstract_canon_sha256":"4bda16b7b77eee7c51781e3eedb99f6f01163b041e801bcd31fcd2231cce6d81"},"schema_version":"1.0"},"canonical_sha256":"fea0119b4fa8c258c105c5893f3e56de8158d452b4dadf0968be514becbbd858","source":{"kind":"arxiv","id":"1309.7083","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7083","created_at":"2026-05-18T03:12:08Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7083v1","created_at":"2026-05-18T03:12:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7083","created_at":"2026-05-18T03:12:08Z"},{"alias_kind":"pith_short_12","alias_value":"72QBDG2PVDBF","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"72QBDG2PVDBFRQIF","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"72QBDG2P","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:72QBDG2PVDBFRQIFYWET6PSW32","target":"record","payload":{"canonical_record":{"source":{"id":"1309.7083","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-26T22:34:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"39cae8e75d2e8dee39a72ad00d40a1748e0f0cf5253cf4203b8700bd8869fca1","abstract_canon_sha256":"4bda16b7b77eee7c51781e3eedb99f6f01163b041e801bcd31fcd2231cce6d81"},"schema_version":"1.0"},"canonical_sha256":"fea0119b4fa8c258c105c5893f3e56de8158d452b4dadf0968be514becbbd858","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:12:08.115991Z","signature_b64":"EJj+BjmUkkbSnbZrVMdnwvqHDtvkiFAoTZkwYELgq15OqS8ZNyUxQOfj1vkPpBw1zFZ2K5UAn4eOttOWOW9BCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fea0119b4fa8c258c105c5893f3e56de8158d452b4dadf0968be514becbbd858","last_reissued_at":"2026-05-18T03:12:08.115264Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:12:08.115264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.7083","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":"2026-05-18T03:12:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hIyCWhVoKrzTI/TwoLGKHIQCl9x9UhB+TzDvGgo/S2b3fhUltcm4T6CHxryDiXDQsNHFZyMrgMrK+Oye9MpnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T03:02:09.266090Z"},"content_sha256":"dbc6f7d0a29d03552d87e061245d75e9d3d04ee06f68fa39f7505aa0b1e24478","schema_version":"1.0","event_id":"sha256:dbc6f7d0a29d03552d87e061245d75e9d3d04ee06f68fa39f7505aa0b1e24478"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:72QBDG2PVDBFRQIFYWET6PSW32","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterization of EASIROC as Front-End for the readout of the SiPM at the focal plane of the Cherenkov telescope ASTRI","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Grillo, D. Impiombato, D. Marano, G. Bonanno, G. la Rosa, G. Sottile, M. Belluso, O. Catalano, S. Billotta, S. Giarrusso, T. Mineo","submitted_at":"2013-09-26T22:34:11Z","abstract_excerpt":"The Extended Analogue Silicon Photo-multiplier Integrated Read Out Chip, EASIROC, is a chip proposed as front-end of the camera at the focal plane of the imaging Cherenkov ASTRI SST-2M telescope prototype. This paper presents the results of the measurements performed to characterize EASIROC in order to evaluate its compliance with the ASTRI SST-2M focal plane requirements. In particular, we investigated the trigger time walk and the jitter effects as a function of the pulse amplitude. The EASIROC output signal is found to vary linearly as a function of the input pulse amplitude with very low l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7083","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":"2026-05-18T03:12:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/I447LOfIz7OAxKdBZp/uW+t9uaz/JZtvt+s54IatsYtJM+jmMga5770MSpBMo/GAI9+sjAsNjpM9iW/hkCOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T03:02:09.266886Z"},"content_sha256":"f428d5ca8df9a17714016bcfa2242d588496b4b1f40a4148179741af6e743551","schema_version":"1.0","event_id":"sha256:f428d5ca8df9a17714016bcfa2242d588496b4b1f40a4148179741af6e743551"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/72QBDG2PVDBFRQIFYWET6PSW32/bundle.json","state_url":"https://pith.science/pith/72QBDG2PVDBFRQIFYWET6PSW32/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/72QBDG2PVDBFRQIFYWET6PSW32/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":"2026-06-06T03:02:09Z","links":{"resolver":"https://pith.science/pith/72QBDG2PVDBFRQIFYWET6PSW32","bundle":"https://pith.science/pith/72QBDG2PVDBFRQIFYWET6PSW32/bundle.json","state":"https://pith.science/pith/72QBDG2PVDBFRQIFYWET6PSW32/state.json","well_known_bundle":"https://pith.science/.well-known/pith/72QBDG2PVDBFRQIFYWET6PSW32/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:72QBDG2PVDBFRQIFYWET6PSW32","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":"4bda16b7b77eee7c51781e3eedb99f6f01163b041e801bcd31fcd2231cce6d81","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-26T22:34:11Z","title_canon_sha256":"39cae8e75d2e8dee39a72ad00d40a1748e0f0cf5253cf4203b8700bd8869fca1"},"schema_version":"1.0","source":{"id":"1309.7083","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7083","created_at":"2026-05-18T03:12:08Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7083v1","created_at":"2026-05-18T03:12:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7083","created_at":"2026-05-18T03:12:08Z"},{"alias_kind":"pith_short_12","alias_value":"72QBDG2PVDBF","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"72QBDG2PVDBFRQIF","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"72QBDG2P","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:f428d5ca8df9a17714016bcfa2242d588496b4b1f40a4148179741af6e743551","target":"graph","created_at":"2026-05-18T03:12:08Z","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 Extended Analogue Silicon Photo-multiplier Integrated Read Out Chip, EASIROC, is a chip proposed as front-end of the camera at the focal plane of the imaging Cherenkov ASTRI SST-2M telescope prototype. This paper presents the results of the measurements performed to characterize EASIROC in order to evaluate its compliance with the ASTRI SST-2M focal plane requirements. In particular, we investigated the trigger time walk and the jitter effects as a function of the pulse amplitude. The EASIROC output signal is found to vary linearly as a function of the input pulse amplitude with very low l","authors_text":"A. Grillo, D. Impiombato, D. Marano, G. Bonanno, G. la Rosa, G. Sottile, M. Belluso, O. Catalano, S. Billotta, S. Giarrusso, T. Mineo","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-26T22:34:11Z","title":"Characterization of EASIROC as Front-End for the readout of the SiPM at the focal plane of the Cherenkov telescope ASTRI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7083","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:dbc6f7d0a29d03552d87e061245d75e9d3d04ee06f68fa39f7505aa0b1e24478","target":"record","created_at":"2026-05-18T03:12:08Z","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":"4bda16b7b77eee7c51781e3eedb99f6f01163b041e801bcd31fcd2231cce6d81","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-26T22:34:11Z","title_canon_sha256":"39cae8e75d2e8dee39a72ad00d40a1748e0f0cf5253cf4203b8700bd8869fca1"},"schema_version":"1.0","source":{"id":"1309.7083","kind":"arxiv","version":1}},"canonical_sha256":"fea0119b4fa8c258c105c5893f3e56de8158d452b4dadf0968be514becbbd858","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fea0119b4fa8c258c105c5893f3e56de8158d452b4dadf0968be514becbbd858","first_computed_at":"2026-05-18T03:12:08.115264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:12:08.115264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EJj+BjmUkkbSnbZrVMdnwvqHDtvkiFAoTZkwYELgq15OqS8ZNyUxQOfj1vkPpBw1zFZ2K5UAn4eOttOWOW9BCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:12:08.115991Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.7083","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbc6f7d0a29d03552d87e061245d75e9d3d04ee06f68fa39f7505aa0b1e24478","sha256:f428d5ca8df9a17714016bcfa2242d588496b4b1f40a4148179741af6e743551"],"state_sha256":"a6dbca4bbc0dfafbdd88af37629a55052411a0268524a73bd5e7f5550591c2ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eqANv8pw8JrSU64EAcS36rQmTLUei8ifp4Odk6Y/StmdaRLdOllk1bwIVyrWOQ5GF7rmcw8mJTckcsrWHfSmAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T03:02:09.271823Z","bundle_sha256":"70bc7d2848def78f1ef92e6a4d896827fac5ca2016f94e95830c04d3086fd0d0"}}