{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:5JZ4GJQFXTBA5SEC6D2BAEEAV6","short_pith_number":"pith:5JZ4GJQF","canonical_record":{"source":{"id":"2201.12101","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-01-28T13:15:10Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"6cc18d8056b68d5a538c2ed05de8c543f3d0a37bc66645efec200ae3006bde65","abstract_canon_sha256":"22c40f507336cfdd2eaaf1d90c604bde497b7cf4821dd626a17f23c62314fd0d"},"schema_version":"1.0"},"canonical_sha256":"ea73c32605bcc20ec882f0f4101080af98121322c5a4d465f476527d79360594","source":{"kind":"arxiv","id":"2201.12101","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.12101","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"arxiv_version","alias_value":"2201.12101v1","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.12101","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"pith_short_12","alias_value":"5JZ4GJQFXTBA","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"pith_short_16","alias_value":"5JZ4GJQFXTBA5SEC","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"pith_short_8","alias_value":"5JZ4GJQF","created_at":"2026-07-05T05:04:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:5JZ4GJQFXTBA5SEC6D2BAEEAV6","target":"record","payload":{"canonical_record":{"source":{"id":"2201.12101","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-01-28T13:15:10Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"6cc18d8056b68d5a538c2ed05de8c543f3d0a37bc66645efec200ae3006bde65","abstract_canon_sha256":"22c40f507336cfdd2eaaf1d90c604bde497b7cf4821dd626a17f23c62314fd0d"},"schema_version":"1.0"},"canonical_sha256":"ea73c32605bcc20ec882f0f4101080af98121322c5a4d465f476527d79360594","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:04:11.991999Z","signature_b64":"dESE8cQD/NrtNIQS8xtZKmAnnGmRKHf+d54z/ey42Aa6kgbtbXuB7R0nISyypG/KAaHmxg/7kN6kP24T+L2JAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea73c32605bcc20ec882f0f4101080af98121322c5a4d465f476527d79360594","last_reissued_at":"2026-07-05T05:04:11.991507Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:04:11.991507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.12101","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":"2026-07-05T05:04:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Knzg9X01PUD7SVGkwd0ke2zwGP/xPuonk06boUITtNrh7jZ+xB00zKkeP954CBR6JzMpgI5ro/hUCPRRpm+KDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T22:40:56.153696Z"},"content_sha256":"6c756be92cadd918fec110e2d93086b848356f0f800cb807a230ef31507df639","schema_version":"1.0","event_id":"sha256:6c756be92cadd918fec110e2d93086b848356f0f800cb807a230ef31507df639"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:5JZ4GJQFXTBA5SEC6D2BAEEAV6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The SIDDHARTA-2 calibration method for high precision kaonic atoms X-ray spectroscopy measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"A Clozza, A Scordo, A Spallone, C Curceanu, C Fiorini, C Guaraldo, D Bosnar, D Sirghi, F Napolitano, F Sgaramella, F Sirghi, G Deda, H Shi, J Marton, J Zmeskal, K Piscicchia, L De Paolis, M Bazzi, M Bragadireanu, M Cargnelli, M Carminati, M Iliescu, M Iwasaki, M Miliucci, M Silarski, M Skurzok, M T\\\"uchler, P King, P Levi Sandri, P Moskal, R Del Grande, S Nied\\'zwiecki","submitted_at":"2022-01-28T13:15:10Z","abstract_excerpt":"The SIDDHARTA-2 experiment at the DA$\\Phi$NE collider aims to perform the first kaonic deuterium X-ray transitions to the fundamental level measurement, with a systematic error at the level of a few eV. To achieve this challenging goal the experimental apparatus is equipped with 384 Silicon Drift Detectors (SDDs) distributed around its cryogenic gaseous target. The SDDs developed by the SIDDHARTA-2 collaboration are suitable for high precision kaonic atoms spectroscopy, thanks to their high energy and time resolutions combined with their radiation hardness. The energy response of each detector"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.12101","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2201.12101/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:04:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7k20IQC16rSigb+FwI/M1RI92Zb6fEEJHpMtcWngzgC2Onrng4DOP3JNTGuz9nn2asARyuThxcn83vINszcxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T22:40:56.157060Z"},"content_sha256":"ca1465883791ba8c00ce3fbc0e052c8f6ebcf388fe1a434da5a9995b30cbaf36","schema_version":"1.0","event_id":"sha256:ca1465883791ba8c00ce3fbc0e052c8f6ebcf388fe1a434da5a9995b30cbaf36"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5JZ4GJQFXTBA5SEC6D2BAEEAV6/bundle.json","state_url":"https://pith.science/pith/5JZ4GJQFXTBA5SEC6D2BAEEAV6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5JZ4GJQFXTBA5SEC6D2BAEEAV6/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":"2026-08-09T22:40:56Z","links":{"resolver":"https://pith.science/pith/5JZ4GJQFXTBA5SEC6D2BAEEAV6","bundle":"https://pith.science/pith/5JZ4GJQFXTBA5SEC6D2BAEEAV6/bundle.json","state":"https://pith.science/pith/5JZ4GJQFXTBA5SEC6D2BAEEAV6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5JZ4GJQFXTBA5SEC6D2BAEEAV6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:5JZ4GJQFXTBA5SEC6D2BAEEAV6","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":"22c40f507336cfdd2eaaf1d90c604bde497b7cf4821dd626a17f23c62314fd0d","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-01-28T13:15:10Z","title_canon_sha256":"6cc18d8056b68d5a538c2ed05de8c543f3d0a37bc66645efec200ae3006bde65"},"schema_version":"1.0","source":{"id":"2201.12101","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.12101","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"arxiv_version","alias_value":"2201.12101v1","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.12101","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"pith_short_12","alias_value":"5JZ4GJQFXTBA","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"pith_short_16","alias_value":"5JZ4GJQFXTBA5SEC","created_at":"2026-07-05T05:04:11Z"},{"alias_kind":"pith_short_8","alias_value":"5JZ4GJQF","created_at":"2026-07-05T05:04:11Z"}],"graph_snapshots":[{"event_id":"sha256:ca1465883791ba8c00ce3fbc0e052c8f6ebcf388fe1a434da5a9995b30cbaf36","target":"graph","created_at":"2026-07-05T05:04:11Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2201.12101/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The SIDDHARTA-2 experiment at the DA$\\Phi$NE collider aims to perform the first kaonic deuterium X-ray transitions to the fundamental level measurement, with a systematic error at the level of a few eV. To achieve this challenging goal the experimental apparatus is equipped with 384 Silicon Drift Detectors (SDDs) distributed around its cryogenic gaseous target. The SDDs developed by the SIDDHARTA-2 collaboration are suitable for high precision kaonic atoms spectroscopy, thanks to their high energy and time resolutions combined with their radiation hardness. The energy response of each detector","authors_text":"A Clozza, A Scordo, A Spallone, C Curceanu, C Fiorini, C Guaraldo, D Bosnar, D Sirghi, F Napolitano, F Sgaramella, F Sirghi, G Deda, H Shi, J Marton, J Zmeskal, K Piscicchia, L De Paolis, M Bazzi, M Bragadireanu, M Cargnelli, M Carminati, M Iliescu, M Iwasaki, M Miliucci, M Silarski, M Skurzok, M T\\\"uchler, P King, P Levi Sandri, P Moskal, R Del Grande, S Nied\\'zwiecki","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-01-28T13:15:10Z","title":"The SIDDHARTA-2 calibration method for high precision kaonic atoms X-ray spectroscopy measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.12101","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":"sha256:6c756be92cadd918fec110e2d93086b848356f0f800cb807a230ef31507df639","target":"record","created_at":"2026-07-05T05:04:11Z","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":"22c40f507336cfdd2eaaf1d90c604bde497b7cf4821dd626a17f23c62314fd0d","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-01-28T13:15:10Z","title_canon_sha256":"6cc18d8056b68d5a538c2ed05de8c543f3d0a37bc66645efec200ae3006bde65"},"schema_version":"1.0","source":{"id":"2201.12101","kind":"arxiv","version":1}},"canonical_sha256":"ea73c32605bcc20ec882f0f4101080af98121322c5a4d465f476527d79360594","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea73c32605bcc20ec882f0f4101080af98121322c5a4d465f476527d79360594","first_computed_at":"2026-07-05T05:04:11.991507Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:04:11.991507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dESE8cQD/NrtNIQS8xtZKmAnnGmRKHf+d54z/ey42Aa6kgbtbXuB7R0nISyypG/KAaHmxg/7kN6kP24T+L2JAg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:04:11.991999Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.12101","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c756be92cadd918fec110e2d93086b848356f0f800cb807a230ef31507df639","sha256:ca1465883791ba8c00ce3fbc0e052c8f6ebcf388fe1a434da5a9995b30cbaf36"],"state_sha256":"c59f694c4a3b1b5f83315173f4baa3f6d6107cbd71141c82d1ab771c0510400a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"myozo5yGRtq16iMp9rKkjMCwyjZ6TQ6zCJQEpqm2p9Se4i/P8TDHlj0aVbFAzf0s+TAgFokiBrW4naiSp2mHAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T22:40:56.162586Z","bundle_sha256":"1b5faa9752feb2b68393eb45cf5e5579721dae429c4e217ff0b7ded2e0549c1e"}}