{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JXGPBZ6ANEA2J4UI66EOZ2NOUC","short_pith_number":"pith:JXGPBZ6A","canonical_record":{"source":{"id":"2601.09675","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-01-14T18:18:23Z","cross_cats_sorted":[],"title_canon_sha256":"7910ac9c9b2e46b4608e3cc4f90ec322714ca70b6ea1e49ea1e3096f216045e2","abstract_canon_sha256":"e9bd4d753bf414764e63c65ca0f2eb83110576933958dbf71d2a3835aa1b4df9"},"schema_version":"1.0"},"canonical_sha256":"4dccf0e7c06901a4f288f788ece9aea0a50049318265624e34eeb19c45e6d816","source":{"kind":"arxiv","id":"2601.09675","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.09675","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"arxiv_version","alias_value":"2601.09675v2","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.09675","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"pith_short_12","alias_value":"JXGPBZ6ANEA2","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"pith_short_16","alias_value":"JXGPBZ6ANEA2J4UI","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"pith_short_8","alias_value":"JXGPBZ6A","created_at":"2026-05-20T00:04:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JXGPBZ6ANEA2J4UI66EOZ2NOUC","target":"record","payload":{"canonical_record":{"source":{"id":"2601.09675","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-01-14T18:18:23Z","cross_cats_sorted":[],"title_canon_sha256":"7910ac9c9b2e46b4608e3cc4f90ec322714ca70b6ea1e49ea1e3096f216045e2","abstract_canon_sha256":"e9bd4d753bf414764e63c65ca0f2eb83110576933958dbf71d2a3835aa1b4df9"},"schema_version":"1.0"},"canonical_sha256":"4dccf0e7c06901a4f288f788ece9aea0a50049318265624e34eeb19c45e6d816","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:04:22.088458Z","signature_b64":"dFrrlIRakiTg/uaBoeVAGrvWG3LHeIBEm3ulkdgwgreKTqWstvKJQi5wKC9oDRDDMZ9uSw1Fg5y20B7NrIBtAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dccf0e7c06901a4f288f788ece9aea0a50049318265624e34eeb19c45e6d816","last_reissued_at":"2026-05-20T00:04:22.087577Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:04:22.087577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.09675","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-20T00:04:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mhuv5wV5kOm5/EcpDVXY/hQ+VZUoqqjnDOwyKRGaSzX0RecfyYElFkK3si5jBbaepQi4rt74mRe4UQWVjC5BAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:21:28.771489Z"},"content_sha256":"0bed89e97ed5972b7f8067431f662aec73e5c3be9d42775cd68aac63cad4d901","schema_version":"1.0","event_id":"sha256:0bed89e97ed5972b7f8067431f662aec73e5c3be9d42775cd68aac63cad4d901"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JXGPBZ6ANEA2J4UI66EOZ2NOUC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiation tolerance tests on key components of the ePIC-dRICH readout card","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Biagioni, A. Caliv\\`a, A. Ciardiello, A. De Caro, A. Lonardo, A. Paladino, A. Saputi, B.R. Achari, C. Alice, C. Baldanza, C. Mingioni, C. Ripoli, C. Rossi, C. Tuv\\`e, D. De Gruttola, D. Falchieri, D. Panzieri, E. Cisbani, E. Rovati, E. Tassi, F. Capuani, F. Cossio, F. Lo Cicero, F. Mammoliti, F. Noto, F. Simula, F. Spizzo, G. Dellacasa, G.M. Urciuoli, G. Torromeo, L. Barion, L. Occhiuto, L. Polizzi, L. Pontisso, L. Rignanese, M. Alexeev, M. Capua, M. Chiosso, M. Contalbrigo, M. Da Rocha Rolo, M. Garbini, M. Martinelli, M. Mignone, M. Nenni, M. Ruspa, N. Agrawal, N. Funicello, N. Jacazio, N. Rubini, O. Frezza, P. Antonioli, P. Perticaroli, P. Vicini, R. Ammendola, R. Malaguti, R. Preghenella, R. Ricci, R. Wheadon, S. Fazio, S. Geminiani, S. Plavully, S. Vallarino, U. Tamponi","submitted_at":"2026-01-14T18:18:23Z","abstract_excerpt":"The dual-radiator RICH (dRICH) detector of the ePIC experiment will employ over 300000 SiPM pixels as photosensors, organized into more than 1000 Photon Detection Units. Each PDU is a compact module, approximately 5x5x12 cm^3 in size, including four custom ASICs connected to 256 SiPMs and an FPGA-based readout card (RDO) responsible for data acquisition and control. Considering the moderately harsh radiation environment expected in the dRICH detector, this study reports on proton irradiation tests performed on key components of the RDO card to assess their tolerance to cumulative Total Ionizin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.09675","kind":"arxiv","version":2},"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/2601.09675/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":"2026-05-20T00:04:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZTMX5pW/G7T/bUC80mYZfUPFuoimrCOHd48D299qCUhIzW/oIhOfkgjL/QZPvE0+bYJ0S7K1Lhg5jBaIaySNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:21:28.771888Z"},"content_sha256":"031d1de3c41500baef9d76e1cfd798f0282fe179eb0c990922a6a2a0a80ae888","schema_version":"1.0","event_id":"sha256:031d1de3c41500baef9d76e1cfd798f0282fe179eb0c990922a6a2a0a80ae888"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JXGPBZ6ANEA2J4UI66EOZ2NOUC/bundle.json","state_url":"https://pith.science/pith/JXGPBZ6ANEA2J4UI66EOZ2NOUC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JXGPBZ6ANEA2J4UI66EOZ2NOUC/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":"2026-05-20T16:21:28Z","links":{"resolver":"https://pith.science/pith/JXGPBZ6ANEA2J4UI66EOZ2NOUC","bundle":"https://pith.science/pith/JXGPBZ6ANEA2J4UI66EOZ2NOUC/bundle.json","state":"https://pith.science/pith/JXGPBZ6ANEA2J4UI66EOZ2NOUC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JXGPBZ6ANEA2J4UI66EOZ2NOUC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JXGPBZ6ANEA2J4UI66EOZ2NOUC","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":"e9bd4d753bf414764e63c65ca0f2eb83110576933958dbf71d2a3835aa1b4df9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-01-14T18:18:23Z","title_canon_sha256":"7910ac9c9b2e46b4608e3cc4f90ec322714ca70b6ea1e49ea1e3096f216045e2"},"schema_version":"1.0","source":{"id":"2601.09675","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.09675","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"arxiv_version","alias_value":"2601.09675v2","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.09675","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"pith_short_12","alias_value":"JXGPBZ6ANEA2","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"pith_short_16","alias_value":"JXGPBZ6ANEA2J4UI","created_at":"2026-05-20T00:04:22Z"},{"alias_kind":"pith_short_8","alias_value":"JXGPBZ6A","created_at":"2026-05-20T00:04:22Z"}],"graph_snapshots":[{"event_id":"sha256:031d1de3c41500baef9d76e1cfd798f0282fe179eb0c990922a6a2a0a80ae888","target":"graph","created_at":"2026-05-20T00:04:22Z","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/2601.09675/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The dual-radiator RICH (dRICH) detector of the ePIC experiment will employ over 300000 SiPM pixels as photosensors, organized into more than 1000 Photon Detection Units. Each PDU is a compact module, approximately 5x5x12 cm^3 in size, including four custom ASICs connected to 256 SiPMs and an FPGA-based readout card (RDO) responsible for data acquisition and control. Considering the moderately harsh radiation environment expected in the dRICH detector, this study reports on proton irradiation tests performed on key components of the RDO card to assess their tolerance to cumulative Total Ionizin","authors_text":"A. Biagioni, A. Caliv\\`a, A. Ciardiello, A. De Caro, A. Lonardo, A. Paladino, A. Saputi, B.R. Achari, C. Alice, C. Baldanza, C. Mingioni, C. Ripoli, C. Rossi, C. Tuv\\`e, D. De Gruttola, D. Falchieri, D. Panzieri, E. Cisbani, E. Rovati, E. Tassi, F. Capuani, F. Cossio, F. Lo Cicero, F. Mammoliti, F. Noto, F. Simula, F. Spizzo, G. Dellacasa, G.M. Urciuoli, G. Torromeo, L. Barion, L. Occhiuto, L. Polizzi, L. Pontisso, L. Rignanese, M. Alexeev, M. Capua, M. Chiosso, M. Contalbrigo, M. Da Rocha Rolo, M. Garbini, M. Martinelli, M. Mignone, M. Nenni, M. Ruspa, N. Agrawal, N. Funicello, N. Jacazio, N. Rubini, O. Frezza, P. Antonioli, P. Perticaroli, P. Vicini, R. Ammendola, R. Malaguti, R. Preghenella, R. Ricci, R. Wheadon, S. Fazio, S. Geminiani, S. Plavully, S. Vallarino, U. Tamponi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-01-14T18:18:23Z","title":"Radiation tolerance tests on key components of the ePIC-dRICH readout card"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.09675","kind":"arxiv","version":2},"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":"sha256:0bed89e97ed5972b7f8067431f662aec73e5c3be9d42775cd68aac63cad4d901","target":"record","created_at":"2026-05-20T00:04:22Z","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":"e9bd4d753bf414764e63c65ca0f2eb83110576933958dbf71d2a3835aa1b4df9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-01-14T18:18:23Z","title_canon_sha256":"7910ac9c9b2e46b4608e3cc4f90ec322714ca70b6ea1e49ea1e3096f216045e2"},"schema_version":"1.0","source":{"id":"2601.09675","kind":"arxiv","version":2}},"canonical_sha256":"4dccf0e7c06901a4f288f788ece9aea0a50049318265624e34eeb19c45e6d816","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4dccf0e7c06901a4f288f788ece9aea0a50049318265624e34eeb19c45e6d816","first_computed_at":"2026-05-20T00:04:22.087577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:04:22.087577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dFrrlIRakiTg/uaBoeVAGrvWG3LHeIBEm3ulkdgwgreKTqWstvKJQi5wKC9oDRDDMZ9uSw1Fg5y20B7NrIBtAw==","signature_status":"signed_v1","signed_at":"2026-05-20T00:04:22.088458Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.09675","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0bed89e97ed5972b7f8067431f662aec73e5c3be9d42775cd68aac63cad4d901","sha256:031d1de3c41500baef9d76e1cfd798f0282fe179eb0c990922a6a2a0a80ae888"],"state_sha256":"301e0b85af11683f5c05bd8de426b21b251e1fcf96a313a4a9fe905325ac0874"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SIYZjWRSVP/B55O61N1i/sUKZc+LSdZW+ltIgWYfhHOTqIQ1w8AyLhmB9gnJ8hRvyaSrrSq6FnMEJb14kx0+Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T16:21:28.774836Z","bundle_sha256":"a6a0f5742eebc3358809bd058a5476a0c00ca60ec1fbcecb1a12766099a252f9"}}