{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:57SJYNCLCNRQZBTU6ET5YCUMVX","short_pith_number":"pith:57SJYNCL","canonical_record":{"source":{"id":"1806.01608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T11:09:28Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"514595fb592e9ede9afafab7534f61a6ed71f996c1d8e2ff8149e4d98e17a769","abstract_canon_sha256":"087c86803693aa457eb6937643383cdc9b0f045c8396c5126744633dfbe279f3"},"schema_version":"1.0"},"canonical_sha256":"efe49c344b13630c8674f127dc0a8caded742d79651f6243445a2b08928a85e2","source":{"kind":"arxiv","id":"1806.01608","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01608","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01608v1","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01608","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"pith_short_12","alias_value":"57SJYNCLCNRQ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"57SJYNCLCNRQZBTU","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"57SJYNCL","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:57SJYNCLCNRQZBTU6ET5YCUMVX","target":"record","payload":{"canonical_record":{"source":{"id":"1806.01608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T11:09:28Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"514595fb592e9ede9afafab7534f61a6ed71f996c1d8e2ff8149e4d98e17a769","abstract_canon_sha256":"087c86803693aa457eb6937643383cdc9b0f045c8396c5126744633dfbe279f3"},"schema_version":"1.0"},"canonical_sha256":"efe49c344b13630c8674f127dc0a8caded742d79651f6243445a2b08928a85e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:30.197200Z","signature_b64":"Ctd7U48pAN6jiVXO2wbY5k/ig+p4IQM3ji4g4ufhJFIm/O4VmeRafWx9X4mk6eqcIgv570et7+yCLgEfCgRlAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efe49c344b13630c8674f127dc0a8caded742d79651f6243445a2b08928a85e2","last_reissued_at":"2026-05-18T00:00:30.196505Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:30.196505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.01608","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":"2026-05-18T00:00:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OChT+SXfSYWGbUzPbHlkA3oZ/X5YPJomxbPlqWrsL+9kDa50bWKE0BeUpqDe/+g3+bm2jFMtE9QjZbBisbAVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:41:58.694998Z"},"content_sha256":"0e718c79a09f3883624d750b03e533b61149fe7289375de9174d01ade9902a99","schema_version":"1.0","event_id":"sha256:0e718c79a09f3883624d750b03e533b61149fe7289375de9174d01ade9902a99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:57SJYNCLCNRQZBTU6ET5YCUMVX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photoluminescence of lead-related optical centers in single-crystal diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Damin, E. Moreva, F. Celegato, I.P. Degiovanni, J. Forneris, J. K\\\"upper, J. Meijer, M. Genovese, M. Jak\\v{s}i\\'c, P. Olivero, P. Traina, S. Ditalia Tchernij, S. Pezzagna, S. Santonocito, T. Herzig, T. L\\\"uhmann","submitted_at":"2018-06-05T11:09:28Z","abstract_excerpt":"We report on the creation and characterization of Pb-related color centers in diamond upon ion implantation and subse- quent thermal annealing. Their optical emission in photoluminescence (PL) regime consists of an articulated spectrum with intense emission peaks at 552.1 nm and 556.8 nm, accompanied by a set of additional lines in the 535700 nm range. The attribution of the PL emission to stable Pb-based defects is corroborated by the correlation of its intensity with the implantation fluence of Pb ions, while none of the reported features is observed in reference samples implanted with C ion"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01608","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":"2026-05-18T00:00:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kw1Schg+u1QkOEbFojz2iEkTfeKqfhZy8Oy3BBcsz4gSbRfanTODKapojsfnr+bXfPdPX26QXiK2nzR3Hth5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:41:58.695545Z"},"content_sha256":"283657d5dc447d206a40ac57f00d79b9fadea8bcd8fe05fe1d319b5dc90f631d","schema_version":"1.0","event_id":"sha256:283657d5dc447d206a40ac57f00d79b9fadea8bcd8fe05fe1d319b5dc90f631d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/57SJYNCLCNRQZBTU6ET5YCUMVX/bundle.json","state_url":"https://pith.science/pith/57SJYNCLCNRQZBTU6ET5YCUMVX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/57SJYNCLCNRQZBTU6ET5YCUMVX/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":"2026-05-25T23:41:58Z","links":{"resolver":"https://pith.science/pith/57SJYNCLCNRQZBTU6ET5YCUMVX","bundle":"https://pith.science/pith/57SJYNCLCNRQZBTU6ET5YCUMVX/bundle.json","state":"https://pith.science/pith/57SJYNCLCNRQZBTU6ET5YCUMVX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/57SJYNCLCNRQZBTU6ET5YCUMVX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:57SJYNCLCNRQZBTU6ET5YCUMVX","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":"087c86803693aa457eb6937643383cdc9b0f045c8396c5126744633dfbe279f3","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T11:09:28Z","title_canon_sha256":"514595fb592e9ede9afafab7534f61a6ed71f996c1d8e2ff8149e4d98e17a769"},"schema_version":"1.0","source":{"id":"1806.01608","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01608","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01608v1","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01608","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"pith_short_12","alias_value":"57SJYNCLCNRQ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"57SJYNCLCNRQZBTU","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"57SJYNCL","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:283657d5dc447d206a40ac57f00d79b9fadea8bcd8fe05fe1d319b5dc90f631d","target":"graph","created_at":"2026-05-18T00:00:30Z","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":"We report on the creation and characterization of Pb-related color centers in diamond upon ion implantation and subse- quent thermal annealing. Their optical emission in photoluminescence (PL) regime consists of an articulated spectrum with intense emission peaks at 552.1 nm and 556.8 nm, accompanied by a set of additional lines in the 535700 nm range. The attribution of the PL emission to stable Pb-based defects is corroborated by the correlation of its intensity with the implantation fluence of Pb ions, while none of the reported features is observed in reference samples implanted with C ion","authors_text":"A. Damin, E. Moreva, F. Celegato, I.P. Degiovanni, J. Forneris, J. K\\\"upper, J. Meijer, M. Genovese, M. Jak\\v{s}i\\'c, P. Olivero, P. Traina, S. Ditalia Tchernij, S. Pezzagna, S. Santonocito, T. Herzig, T. L\\\"uhmann","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T11:09:28Z","title":"Photoluminescence of lead-related optical centers in single-crystal diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01608","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":"sha256:0e718c79a09f3883624d750b03e533b61149fe7289375de9174d01ade9902a99","target":"record","created_at":"2026-05-18T00:00:30Z","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":"087c86803693aa457eb6937643383cdc9b0f045c8396c5126744633dfbe279f3","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T11:09:28Z","title_canon_sha256":"514595fb592e9ede9afafab7534f61a6ed71f996c1d8e2ff8149e4d98e17a769"},"schema_version":"1.0","source":{"id":"1806.01608","kind":"arxiv","version":1}},"canonical_sha256":"efe49c344b13630c8674f127dc0a8caded742d79651f6243445a2b08928a85e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"efe49c344b13630c8674f127dc0a8caded742d79651f6243445a2b08928a85e2","first_computed_at":"2026-05-18T00:00:30.196505Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:30.196505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ctd7U48pAN6jiVXO2wbY5k/ig+p4IQM3ji4g4ufhJFIm/O4VmeRafWx9X4mk6eqcIgv570et7+yCLgEfCgRlAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:30.197200Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.01608","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e718c79a09f3883624d750b03e533b61149fe7289375de9174d01ade9902a99","sha256:283657d5dc447d206a40ac57f00d79b9fadea8bcd8fe05fe1d319b5dc90f631d"],"state_sha256":"9ae7e8be7ba98115fc670b4370ed24a5b20e1248eb1b0cfcca0f4f87ee0a0816"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WzCt8Gyg70iiV/J0DpC4+cdjvYTCM10Qd0ZUrB4uOObBojalaZROgLiAwMje8J0vemIknVMJcGtbbkIVFOVqAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:41:58.697847Z","bundle_sha256":"9e555872386d9fab2ff15aef85a387f1b6254ca328f29268f13c706925b15052"}}