{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:KYC5FV2BTZBIUIPBWZX2EYYI2P","short_pith_number":"pith:KYC5FV2B","canonical_record":{"source":{"id":"cond-mat/0204458","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-04-22T03:39:55Z","cross_cats_sorted":[],"title_canon_sha256":"634d513d6b732986a2ef492ae924ca69e9cfc177302b607306a696896156e4e1","abstract_canon_sha256":"7727d2f1f143402243646de755761f54e4a4444dd273e8a168dcecb1010f3abf"},"schema_version":"1.0"},"canonical_sha256":"5605d2d7419e428a21e1b66fa26308d3f07dbc63c5ef03cb69a79db6cb21c311","source":{"kind":"arxiv","id":"cond-mat/0204458","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0204458","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0204458v3","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0204458","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"pith_short_12","alias_value":"KYC5FV2BTZBI","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"pith_short_16","alias_value":"KYC5FV2BTZBIUIPB","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"pith_short_8","alias_value":"KYC5FV2B","created_at":"2026-07-04T16:32:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:KYC5FV2BTZBIUIPBWZX2EYYI2P","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0204458","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-04-22T03:39:55Z","cross_cats_sorted":[],"title_canon_sha256":"634d513d6b732986a2ef492ae924ca69e9cfc177302b607306a696896156e4e1","abstract_canon_sha256":"7727d2f1f143402243646de755761f54e4a4444dd273e8a168dcecb1010f3abf"},"schema_version":"1.0"},"canonical_sha256":"5605d2d7419e428a21e1b66fa26308d3f07dbc63c5ef03cb69a79db6cb21c311","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:32:07.616287Z","signature_b64":"jQObOH/SWkew0fKF26EfuPnd+GFO1NEaWLxB1BlGfzSU+i318SSBgU1EUbIHD8h97o5Jb5E0oGlutFt1E5NXCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5605d2d7419e428a21e1b66fa26308d3f07dbc63c5ef03cb69a79db6cb21c311","last_reissued_at":"2026-07-04T16:32:07.615788Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:32:07.615788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0204458","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:32:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Sr9Re8AdUrmcef0Epq+Or57JmAZHh3NV4OeIbznf7k2UBWaLQZZfK9S/VCgS7c0LVfV2sa+y4Faqqrdtw6vDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:04:00.753371Z"},"content_sha256":"a5d61668c64216675503705aa2d1629a5b22b1d67766767907bdb31af4ed4661","schema_version":"1.0","event_id":"sha256:a5d61668c64216675503705aa2d1629a5b22b1d67766767907bdb31af4ed4661"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:KYC5FV2BTZBIUIPBWZX2EYYI2P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-trapped states and the related luminescence in PbCl$_2$ crystals","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"K. Tanaka, M. Iwanaga, M. Shirai, T. Hayashi (Kyoto univ)","submitted_at":"2002-04-22T03:39:55Z","abstract_excerpt":"We have comprehensively investigated localized states of photoinduced electron-hole pairs with electron-spin-resonance technique and photoluminescence (PL) in a wide temperature range of 5-200 K. At low temperatures below 70 K, holes localize on Pb$^{2+}$ ions and form self-trapping hole centers of Pb$^{3+}$. The holes transfer to other trapping centers above 70 K. On the other hand, electrons localize on two Pb$^{2+}$ ions at higher than 50 K and form self-trapping electron centers of Pb$_2$$^{3+}$.\n  From the thermal stability of the localized states and PL, we clarify that blue-green PL ban"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0204458","kind":"arxiv","version":3},"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/cond-mat/0204458/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":"2026-07-04T16:32:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BDf7NmKG7bWgjtuPVK/1ILcUTY6b7H8o74uu6JZJI29NzAwhx9q8I9k9w77rD24T8kFLMnJfJNJdGEoQ3HZHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:04:00.753743Z"},"content_sha256":"b6ff4dfbad2dd3da3d4011f9124bd0b4c89e0ff90bc3ddd172f1aadd3377543e","schema_version":"1.0","event_id":"sha256:b6ff4dfbad2dd3da3d4011f9124bd0b4c89e0ff90bc3ddd172f1aadd3377543e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KYC5FV2BTZBIUIPBWZX2EYYI2P/bundle.json","state_url":"https://pith.science/pith/KYC5FV2BTZBIUIPBWZX2EYYI2P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KYC5FV2BTZBIUIPBWZX2EYYI2P/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":"2026-07-09T05:04:00Z","links":{"resolver":"https://pith.science/pith/KYC5FV2BTZBIUIPBWZX2EYYI2P","bundle":"https://pith.science/pith/KYC5FV2BTZBIUIPBWZX2EYYI2P/bundle.json","state":"https://pith.science/pith/KYC5FV2BTZBIUIPBWZX2EYYI2P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KYC5FV2BTZBIUIPBWZX2EYYI2P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:KYC5FV2BTZBIUIPBWZX2EYYI2P","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":"7727d2f1f143402243646de755761f54e4a4444dd273e8a168dcecb1010f3abf","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-04-22T03:39:55Z","title_canon_sha256":"634d513d6b732986a2ef492ae924ca69e9cfc177302b607306a696896156e4e1"},"schema_version":"1.0","source":{"id":"cond-mat/0204458","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0204458","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0204458v3","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0204458","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"pith_short_12","alias_value":"KYC5FV2BTZBI","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"pith_short_16","alias_value":"KYC5FV2BTZBIUIPB","created_at":"2026-07-04T16:32:07Z"},{"alias_kind":"pith_short_8","alias_value":"KYC5FV2B","created_at":"2026-07-04T16:32:07Z"}],"graph_snapshots":[{"event_id":"sha256:b6ff4dfbad2dd3da3d4011f9124bd0b4c89e0ff90bc3ddd172f1aadd3377543e","target":"graph","created_at":"2026-07-04T16:32:07Z","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/cond-mat/0204458/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have comprehensively investigated localized states of photoinduced electron-hole pairs with electron-spin-resonance technique and photoluminescence (PL) in a wide temperature range of 5-200 K. At low temperatures below 70 K, holes localize on Pb$^{2+}$ ions and form self-trapping hole centers of Pb$^{3+}$. The holes transfer to other trapping centers above 70 K. On the other hand, electrons localize on two Pb$^{2+}$ ions at higher than 50 K and form self-trapping electron centers of Pb$_2$$^{3+}$.\n  From the thermal stability of the localized states and PL, we clarify that blue-green PL ban","authors_text":"K. Tanaka, M. Iwanaga, M. Shirai, T. Hayashi (Kyoto univ)","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-04-22T03:39:55Z","title":"Self-trapped states and the related luminescence in PbCl$_2$ crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0204458","kind":"arxiv","version":3},"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:a5d61668c64216675503705aa2d1629a5b22b1d67766767907bdb31af4ed4661","target":"record","created_at":"2026-07-04T16:32:07Z","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":"7727d2f1f143402243646de755761f54e4a4444dd273e8a168dcecb1010f3abf","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-04-22T03:39:55Z","title_canon_sha256":"634d513d6b732986a2ef492ae924ca69e9cfc177302b607306a696896156e4e1"},"schema_version":"1.0","source":{"id":"cond-mat/0204458","kind":"arxiv","version":3}},"canonical_sha256":"5605d2d7419e428a21e1b66fa26308d3f07dbc63c5ef03cb69a79db6cb21c311","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5605d2d7419e428a21e1b66fa26308d3f07dbc63c5ef03cb69a79db6cb21c311","first_computed_at":"2026-07-04T16:32:07.615788Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:32:07.615788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jQObOH/SWkew0fKF26EfuPnd+GFO1NEaWLxB1BlGfzSU+i318SSBgU1EUbIHD8h97o5Jb5E0oGlutFt1E5NXCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:32:07.616287Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0204458","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5d61668c64216675503705aa2d1629a5b22b1d67766767907bdb31af4ed4661","sha256:b6ff4dfbad2dd3da3d4011f9124bd0b4c89e0ff90bc3ddd172f1aadd3377543e"],"state_sha256":"4cd5bf772ccb77965f07586e503518a12615f270be7e5ec9aa5e08f159604c7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NVQZJj1rXICHL7Oy55Dd6RlRTiXQMHsxXnTpkjUVz8DZYS7QuvIOccwhjryibhRkMO1wVmXbMfkXPU703QW4Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:04:00.755586Z","bundle_sha256":"2ea6406c445fc753ead41e4328f26f50e42659814b0c93d9951d7e6633b99978"}}