{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:TTE76MRX426JJFEOS52MAALIUU","short_pith_number":"pith:TTE76MRX","canonical_record":{"source":{"id":"0906.0875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2009-06-04T13:23:37Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"766e4c6fbfb0a38d3a2b2278433facb38371aaed9fde6e52e8fea2858953fcf5","abstract_canon_sha256":"a1267c78f6ca9e3723539c904c182f63dad56eff50b1cd83c1ec0a67b4a032d0"},"schema_version":"1.0"},"canonical_sha256":"9cc9ff3237e6bc94948e9774c00168a53be76e6eef2abde2cfdc8b8ad658ef76","source":{"kind":"arxiv","id":"0906.0875","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.0875","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"arxiv_version","alias_value":"0906.0875v1","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.0875","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"pith_short_12","alias_value":"TTE76MRX426J","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"TTE76MRX426JJFEO","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"TTE76MRX","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:TTE76MRX426JJFEOS52MAALIUU","target":"record","payload":{"canonical_record":{"source":{"id":"0906.0875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2009-06-04T13:23:37Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"766e4c6fbfb0a38d3a2b2278433facb38371aaed9fde6e52e8fea2858953fcf5","abstract_canon_sha256":"a1267c78f6ca9e3723539c904c182f63dad56eff50b1cd83c1ec0a67b4a032d0"},"schema_version":"1.0"},"canonical_sha256":"9cc9ff3237e6bc94948e9774c00168a53be76e6eef2abde2cfdc8b8ad658ef76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:29.094427Z","signature_b64":"6QTa4dp+UM/AOZUtvr3H9QhE+DRP+bITJCNGYWN8aQCNzVizEvvqkkzmwxh6+sHPk2L2uLWm5WhvuHb+59kkAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cc9ff3237e6bc94948e9774c00168a53be76e6eef2abde2cfdc8b8ad658ef76","last_reissued_at":"2026-05-18T02:13:29.093833Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:29.093833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.0875","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":"2026-05-18T02:13:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vU5e56jDh3DsviJuZq76ZZpXlwg+EXuBAo64Z+FIwmGALmX4qLGmNrQtIi1CnfLbU1YtW/TTMciOZGUPddUkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:01:34.459854Z"},"content_sha256":"be44e2dd632a975d9e6616f53db5ec93aafc2562a2f405b9e7b7d725c9be2897","schema_version":"1.0","event_id":"sha256:be44e2dd632a975d9e6616f53db5ec93aafc2562a2f405b9e7b7d725c9be2897"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:TTE76MRX426JJFEOS52MAALIUU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Low Energy Tagger for the KLOE-2 experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. De Santis, A. Di Domenico, C. Bini, C. Paglia, D. Babusci, D. Tagnani, E. Turri, G. Corradi, G. De Zorzi, M. Iannarelli, P. Ciambrone, P. Gauzzi, S. Fiore, S. Miscetti","submitted_at":"2009-06-04T13:23:37Z","abstract_excerpt":"The KLOE experiment at the upgraded DAFNE e+e- collider in Frascati (KLOE-2) is going to start a new data taking at the beginning of 2010 with its detector upgraded with a tagging system for the identification of gamma-gamma interactions. The tagging stations for low-energy e+e- will consist in two calorimeters The calorimeter used to detect low-energy e+e- will be placed between the beam-pipe outer support structure and the inner wall of the KLOE drift chamber. This calorimeter will be made of LYSO crystals readout by Silicon Photomultipliers, to achieve an energy resolution better than 8% at"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.0875","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":"2026-05-18T02:13:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mYaRzBu2qj7YG3Qgc6cu3iRBUjAFf/96oHj85fMtsZTFWx7RCfK1pcbaxxcZYoOZ2odU+4Uf8KosbnhM/ABjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:01:34.460232Z"},"content_sha256":"e1ca9de0d300ff1ae162dc7979a012d168ba24e6c9fb0331d065ffd58fa0455b","schema_version":"1.0","event_id":"sha256:e1ca9de0d300ff1ae162dc7979a012d168ba24e6c9fb0331d065ffd58fa0455b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TTE76MRX426JJFEOS52MAALIUU/bundle.json","state_url":"https://pith.science/pith/TTE76MRX426JJFEOS52MAALIUU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TTE76MRX426JJFEOS52MAALIUU/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":"2026-05-20T07:01:34Z","links":{"resolver":"https://pith.science/pith/TTE76MRX426JJFEOS52MAALIUU","bundle":"https://pith.science/pith/TTE76MRX426JJFEOS52MAALIUU/bundle.json","state":"https://pith.science/pith/TTE76MRX426JJFEOS52MAALIUU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TTE76MRX426JJFEOS52MAALIUU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:TTE76MRX426JJFEOS52MAALIUU","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":"a1267c78f6ca9e3723539c904c182f63dad56eff50b1cd83c1ec0a67b4a032d0","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2009-06-04T13:23:37Z","title_canon_sha256":"766e4c6fbfb0a38d3a2b2278433facb38371aaed9fde6e52e8fea2858953fcf5"},"schema_version":"1.0","source":{"id":"0906.0875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.0875","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"arxiv_version","alias_value":"0906.0875v1","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.0875","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"pith_short_12","alias_value":"TTE76MRX426J","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"TTE76MRX426JJFEO","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"TTE76MRX","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:e1ca9de0d300ff1ae162dc7979a012d168ba24e6c9fb0331d065ffd58fa0455b","target":"graph","created_at":"2026-05-18T02:13:29Z","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 KLOE experiment at the upgraded DAFNE e+e- collider in Frascati (KLOE-2) is going to start a new data taking at the beginning of 2010 with its detector upgraded with a tagging system for the identification of gamma-gamma interactions. The tagging stations for low-energy e+e- will consist in two calorimeters The calorimeter used to detect low-energy e+e- will be placed between the beam-pipe outer support structure and the inner wall of the KLOE drift chamber. This calorimeter will be made of LYSO crystals readout by Silicon Photomultipliers, to achieve an energy resolution better than 8% at","authors_text":"A. De Santis, A. Di Domenico, C. Bini, C. Paglia, D. Babusci, D. Tagnani, E. Turri, G. Corradi, G. De Zorzi, M. Iannarelli, P. Ciambrone, P. Gauzzi, S. Fiore, S. Miscetti","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2009-06-04T13:23:37Z","title":"The Low Energy Tagger for the KLOE-2 experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.0875","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:be44e2dd632a975d9e6616f53db5ec93aafc2562a2f405b9e7b7d725c9be2897","target":"record","created_at":"2026-05-18T02:13:29Z","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":"a1267c78f6ca9e3723539c904c182f63dad56eff50b1cd83c1ec0a67b4a032d0","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2009-06-04T13:23:37Z","title_canon_sha256":"766e4c6fbfb0a38d3a2b2278433facb38371aaed9fde6e52e8fea2858953fcf5"},"schema_version":"1.0","source":{"id":"0906.0875","kind":"arxiv","version":1}},"canonical_sha256":"9cc9ff3237e6bc94948e9774c00168a53be76e6eef2abde2cfdc8b8ad658ef76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9cc9ff3237e6bc94948e9774c00168a53be76e6eef2abde2cfdc8b8ad658ef76","first_computed_at":"2026-05-18T02:13:29.093833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:29.093833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6QTa4dp+UM/AOZUtvr3H9QhE+DRP+bITJCNGYWN8aQCNzVizEvvqkkzmwxh6+sHPk2L2uLWm5WhvuHb+59kkAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:29.094427Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.0875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be44e2dd632a975d9e6616f53db5ec93aafc2562a2f405b9e7b7d725c9be2897","sha256:e1ca9de0d300ff1ae162dc7979a012d168ba24e6c9fb0331d065ffd58fa0455b"],"state_sha256":"db6f1c89f08c24e7226c898750d09fc6157e53e44ab9455b5fc187284457c695"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LY+aCqhx+hwzqAF+HCAVKnq69R7rJ3dCHsCzlV2JTd0GQmA5H+Bh+ZUsZicjdKEx8nib9NAZFNoRkdQC4yqsDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T07:01:34.462290Z","bundle_sha256":"7b6e751da38020668f07501f5b2fe7036f37ef019f0b8fd65c788ce7bf0089f1"}}