{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:QYS5OZRGELQI6QOV3V2UJLJ4VQ","short_pith_number":"pith:QYS5OZRG","canonical_record":{"source":{"id":"1302.7218","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T14:58:48Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"bb4f0b7796181352ec1cddb0a687845644728927a04efa68ac5467f244cd46cc","abstract_canon_sha256":"3df01e693cd7f6563420a4aed453aee3175a545e6bbf7c2cb3f34594dfa94421"},"schema_version":"1.0"},"canonical_sha256":"8625d7662622e08f41d5dd7544ad3cac0424adaca660efdf091682a87b425a18","source":{"kind":"arxiv","id":"1302.7218","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.7218","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"arxiv_version","alias_value":"1302.7218v5","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.7218","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"pith_short_12","alias_value":"QYS5OZRGELQI","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QYS5OZRGELQI6QOV","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QYS5OZRG","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:QYS5OZRGELQI6QOV3V2UJLJ4VQ","target":"record","payload":{"canonical_record":{"source":{"id":"1302.7218","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T14:58:48Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"bb4f0b7796181352ec1cddb0a687845644728927a04efa68ac5467f244cd46cc","abstract_canon_sha256":"3df01e693cd7f6563420a4aed453aee3175a545e6bbf7c2cb3f34594dfa94421"},"schema_version":"1.0"},"canonical_sha256":"8625d7662622e08f41d5dd7544ad3cac0424adaca660efdf091682a87b425a18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:31.940288Z","signature_b64":"+MlqXgTPuaoDusJeJI4Y4cDHH3xTakNCqF9PSGX6dTTJ045qLs4AZ5phSBC5dR08JT/jcRtt4d5iYGR6KwC1Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8625d7662622e08f41d5dd7544ad3cac0424adaca660efdf091682a87b425a18","last_reissued_at":"2026-05-18T03:26:31.939878Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:31.939878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.7218","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:26:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rYlBhW6Igft2jS1hnVdkNP1XIylG7xYzzxcmdoH9rpljT1uZnaBLsdLlrZl4dO9ow/qv6gZphEgMzFRAb02ZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T14:41:49.616339Z"},"content_sha256":"773a44ad6207d74548480e876df98b93b81a2ffcb55c8814b8947cd28bfcfb41","schema_version":"1.0","event_id":"sha256:773a44ad6207d74548480e876df98b93b81a2ffcb55c8814b8947cd28bfcfb41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:QYS5OZRGELQI6QOV3V2UJLJ4VQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing the Pauli Exclusion Principle for Electrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"A. Romero-Vidal, A. Scordo, C. Berucci, C. Curceanu (Petrascu), C. Guaraldo, D.L. Sirghi, D. Pietreanu, E. Milotti, E. Widmann, F. Sirghi, J. Marton, J.-P. Egger, J. Zmeskal, K. Pisciccia, L. Sperandio, M. Bragadireanu, M. Cargnelli, M. Iliescu, M. Laubenstein, O. Vazquez Doce, S. Bartalucci, S. Bertolucci, S. Di Matteo, T. Ishiwatari, T. Ponta","submitted_at":"2013-02-28T14:58:48Z","abstract_excerpt":"One of the fundamental rules of nature and a pillar in the foundation of quantum theory and thus of modern physics is represented by the Pauli Exclusion Principle. We know that this principle is extremely well fulfilled due to many observations. Numerous experiments were performed to search for tiny violation of this rule in various systems. The experiment VIP at the Gran Sasso underground laboratory is searching for possible small violations of the Pauli Exclusion Principle for electrons leading to forbidden X-ray transitions in copper atoms. VIP is aiming at a test of the Pauli Exclusion Pri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.7218","kind":"arxiv","version":5},"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":"2026-05-18T03:26:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6YaHdsZA6UfuNFbsXPSLQJ/7Xd/cMfdz0LeO4Hq49AjF6oJa3ujsvTf93g++0WXhDEVaeSzEZ+Mfzt9hVchfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T14:41:49.616698Z"},"content_sha256":"dbec7d5e97aabce7976aa70ea1da2a48555ab3aac39e582d3db07a4283a5513b","schema_version":"1.0","event_id":"sha256:dbec7d5e97aabce7976aa70ea1da2a48555ab3aac39e582d3db07a4283a5513b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QYS5OZRGELQI6QOV3V2UJLJ4VQ/bundle.json","state_url":"https://pith.science/pith/QYS5OZRGELQI6QOV3V2UJLJ4VQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QYS5OZRGELQI6QOV3V2UJLJ4VQ/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":"2026-06-10T14:41:49Z","links":{"resolver":"https://pith.science/pith/QYS5OZRGELQI6QOV3V2UJLJ4VQ","bundle":"https://pith.science/pith/QYS5OZRGELQI6QOV3V2UJLJ4VQ/bundle.json","state":"https://pith.science/pith/QYS5OZRGELQI6QOV3V2UJLJ4VQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QYS5OZRGELQI6QOV3V2UJLJ4VQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QYS5OZRGELQI6QOV3V2UJLJ4VQ","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":"3df01e693cd7f6563420a4aed453aee3175a545e6bbf7c2cb3f34594dfa94421","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T14:58:48Z","title_canon_sha256":"bb4f0b7796181352ec1cddb0a687845644728927a04efa68ac5467f244cd46cc"},"schema_version":"1.0","source":{"id":"1302.7218","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.7218","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"arxiv_version","alias_value":"1302.7218v5","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.7218","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"pith_short_12","alias_value":"QYS5OZRGELQI","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QYS5OZRGELQI6QOV","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QYS5OZRG","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:dbec7d5e97aabce7976aa70ea1da2a48555ab3aac39e582d3db07a4283a5513b","target":"graph","created_at":"2026-05-18T03:26:31Z","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":"One of the fundamental rules of nature and a pillar in the foundation of quantum theory and thus of modern physics is represented by the Pauli Exclusion Principle. We know that this principle is extremely well fulfilled due to many observations. Numerous experiments were performed to search for tiny violation of this rule in various systems. The experiment VIP at the Gran Sasso underground laboratory is searching for possible small violations of the Pauli Exclusion Principle for electrons leading to forbidden X-ray transitions in copper atoms. VIP is aiming at a test of the Pauli Exclusion Pri","authors_text":"A. Romero-Vidal, A. Scordo, C. Berucci, C. Curceanu (Petrascu), C. Guaraldo, D.L. Sirghi, D. Pietreanu, E. Milotti, E. Widmann, F. Sirghi, J. Marton, J.-P. Egger, J. Zmeskal, K. Pisciccia, L. Sperandio, M. Bragadireanu, M. Cargnelli, M. Iliescu, M. Laubenstein, O. Vazquez Doce, S. Bartalucci, S. Bertolucci, S. Di Matteo, T. Ishiwatari, T. Ponta","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T14:58:48Z","title":"Testing the Pauli Exclusion Principle for Electrons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.7218","kind":"arxiv","version":5},"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":"sha256:773a44ad6207d74548480e876df98b93b81a2ffcb55c8814b8947cd28bfcfb41","target":"record","created_at":"2026-05-18T03:26:31Z","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":"3df01e693cd7f6563420a4aed453aee3175a545e6bbf7c2cb3f34594dfa94421","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T14:58:48Z","title_canon_sha256":"bb4f0b7796181352ec1cddb0a687845644728927a04efa68ac5467f244cd46cc"},"schema_version":"1.0","source":{"id":"1302.7218","kind":"arxiv","version":5}},"canonical_sha256":"8625d7662622e08f41d5dd7544ad3cac0424adaca660efdf091682a87b425a18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8625d7662622e08f41d5dd7544ad3cac0424adaca660efdf091682a87b425a18","first_computed_at":"2026-05-18T03:26:31.939878Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:31.939878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+MlqXgTPuaoDusJeJI4Y4cDHH3xTakNCqF9PSGX6dTTJ045qLs4AZ5phSBC5dR08JT/jcRtt4d5iYGR6KwC1Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:31.940288Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.7218","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:773a44ad6207d74548480e876df98b93b81a2ffcb55c8814b8947cd28bfcfb41","sha256:dbec7d5e97aabce7976aa70ea1da2a48555ab3aac39e582d3db07a4283a5513b"],"state_sha256":"e574ac6723acd37ce591e2b0db325370e10a50e98f332c609e654b7b6c6ccd3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C/pqQHook4lvlPdd0aJU9iNXWKbDAuTr6gbDk6criancXtEy/fz6hfDJzgdvdn2MIWHkB340bM5AyTctLjY4BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T14:41:49.618651Z","bundle_sha256":"96b024e7b8d5776b3992b38358d7f20ab33653a2b3ff219f5110c5431afef91d"}}