{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4E2FLOE5NRYSTFXV75XK5V2GDT","short_pith_number":"pith:4E2FLOE5","canonical_record":{"source":{"id":"1202.5395","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-24T08:44:12Z","cross_cats_sorted":[],"title_canon_sha256":"bfaad053513d3c68d49147c9a07ad5e0bd3efbffae8682d14f84310bf6605aea","abstract_canon_sha256":"4fcecd6acb950284212383e2161b489f42a47e6db08c7a16f1ecd5e989d0f88b"},"schema_version":"1.0"},"canonical_sha256":"e13455b89d6c712996f5ff6eaed7461cf9d9952c9ed4ea036197431123a62a3e","source":{"kind":"arxiv","id":"1202.5395","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5395","created_at":"2026-05-18T03:35:54Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5395v2","created_at":"2026-05-18T03:35:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5395","created_at":"2026-05-18T03:35:54Z"},{"alias_kind":"pith_short_12","alias_value":"4E2FLOE5NRYS","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4E2FLOE5NRYSTFXV","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4E2FLOE5","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4E2FLOE5NRYSTFXV75XK5V2GDT","target":"record","payload":{"canonical_record":{"source":{"id":"1202.5395","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-24T08:44:12Z","cross_cats_sorted":[],"title_canon_sha256":"bfaad053513d3c68d49147c9a07ad5e0bd3efbffae8682d14f84310bf6605aea","abstract_canon_sha256":"4fcecd6acb950284212383e2161b489f42a47e6db08c7a16f1ecd5e989d0f88b"},"schema_version":"1.0"},"canonical_sha256":"e13455b89d6c712996f5ff6eaed7461cf9d9952c9ed4ea036197431123a62a3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:35:54.233461Z","signature_b64":"xJcnTOkvpMNgo/cTB5IxY92Bp19btKbFGt4B6leMvohkMLBcPxtUCQ+FCD/199kiqcqqq5IlMFpJsYOtkCHnAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e13455b89d6c712996f5ff6eaed7461cf9d9952c9ed4ea036197431123a62a3e","last_reissued_at":"2026-05-18T03:35:54.232249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:35:54.232249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.5395","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":"2026-05-18T03:35:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Fn7BavfmnOQVF8A4Q57ncbKTYVmSXE/FmqzOnE4wUWZdEXg+pujuBzlE5nKaHnoyA3ND3EXJmSWjr7yA87jBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:43:09.747018Z"},"content_sha256":"b5069ca0abcd4f8da4ee14011f4705a2a50fb8ee1b7d62e0f37ab202a755b88e","schema_version":"1.0","event_id":"sha256:b5069ca0abcd4f8da4ee14011f4705a2a50fb8ee1b7d62e0f37ab202a755b88e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4E2FLOE5NRYSTFXV75XK5V2GDT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental and Theoretical Studies of Photoluminescence from Bi82+ and Bi53+ stabilized by [AlCl4]- in Molecular Crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hong Gao, Hong-Tao Sun, Naoto Shirahata, Tetsu Yonezawa, Yoshio Sakka","submitted_at":"2012-02-24T08:44:12Z","abstract_excerpt":"The photophysical properties of Bi82+ and Bi53+ polycations stabilized by [AlCl4]- have been studied experimentally and theoretically. The obtained product was thoroughly evaluated by powder X-ray diffraction and photoluminescence spectroscopy, making it clear that both Bi82+ and Bi53+ contribute to the observed broad near-infrared emission. Furthermore, it was revealed that Bi82+ polycation mainly results in the emission peaking at ca. 1180 nm, while Bi53+ the longer-wavelength emission. The following quantum chemistry calculation on Bi82+ polycation helps us attribute some observed excitatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5395","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":""},"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":"2026-05-18T03:35:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aIwe3d0W4efPqYaPNaBgJVHlp+CPPQ0LNvkLmuNSX+MoL9/DeRu+zXqZOct+Lga7tHmX/YURK4MKfdpSfogPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:43:09.747381Z"},"content_sha256":"c60bbab07139f06c77e9652ca6f759a7fa2e94d156963b6ebbd52d0c5a6743a3","schema_version":"1.0","event_id":"sha256:c60bbab07139f06c77e9652ca6f759a7fa2e94d156963b6ebbd52d0c5a6743a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4E2FLOE5NRYSTFXV75XK5V2GDT/bundle.json","state_url":"https://pith.science/pith/4E2FLOE5NRYSTFXV75XK5V2GDT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4E2FLOE5NRYSTFXV75XK5V2GDT/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":"2026-06-05T10:43:09Z","links":{"resolver":"https://pith.science/pith/4E2FLOE5NRYSTFXV75XK5V2GDT","bundle":"https://pith.science/pith/4E2FLOE5NRYSTFXV75XK5V2GDT/bundle.json","state":"https://pith.science/pith/4E2FLOE5NRYSTFXV75XK5V2GDT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4E2FLOE5NRYSTFXV75XK5V2GDT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4E2FLOE5NRYSTFXV75XK5V2GDT","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":"4fcecd6acb950284212383e2161b489f42a47e6db08c7a16f1ecd5e989d0f88b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-24T08:44:12Z","title_canon_sha256":"bfaad053513d3c68d49147c9a07ad5e0bd3efbffae8682d14f84310bf6605aea"},"schema_version":"1.0","source":{"id":"1202.5395","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5395","created_at":"2026-05-18T03:35:54Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5395v2","created_at":"2026-05-18T03:35:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5395","created_at":"2026-05-18T03:35:54Z"},{"alias_kind":"pith_short_12","alias_value":"4E2FLOE5NRYS","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4E2FLOE5NRYSTFXV","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4E2FLOE5","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:c60bbab07139f06c77e9652ca6f759a7fa2e94d156963b6ebbd52d0c5a6743a3","target":"graph","created_at":"2026-05-18T03:35:54Z","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 photophysical properties of Bi82+ and Bi53+ polycations stabilized by [AlCl4]- have been studied experimentally and theoretically. The obtained product was thoroughly evaluated by powder X-ray diffraction and photoluminescence spectroscopy, making it clear that both Bi82+ and Bi53+ contribute to the observed broad near-infrared emission. Furthermore, it was revealed that Bi82+ polycation mainly results in the emission peaking at ca. 1180 nm, while Bi53+ the longer-wavelength emission. The following quantum chemistry calculation on Bi82+ polycation helps us attribute some observed excitatio","authors_text":"Hong Gao, Hong-Tao Sun, Naoto Shirahata, Tetsu Yonezawa, Yoshio Sakka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-24T08:44:12Z","title":"Experimental and Theoretical Studies of Photoluminescence from Bi82+ and Bi53+ stabilized by [AlCl4]- in Molecular Crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5395","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:b5069ca0abcd4f8da4ee14011f4705a2a50fb8ee1b7d62e0f37ab202a755b88e","target":"record","created_at":"2026-05-18T03:35:54Z","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":"4fcecd6acb950284212383e2161b489f42a47e6db08c7a16f1ecd5e989d0f88b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-24T08:44:12Z","title_canon_sha256":"bfaad053513d3c68d49147c9a07ad5e0bd3efbffae8682d14f84310bf6605aea"},"schema_version":"1.0","source":{"id":"1202.5395","kind":"arxiv","version":2}},"canonical_sha256":"e13455b89d6c712996f5ff6eaed7461cf9d9952c9ed4ea036197431123a62a3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e13455b89d6c712996f5ff6eaed7461cf9d9952c9ed4ea036197431123a62a3e","first_computed_at":"2026-05-18T03:35:54.232249Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:35:54.232249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xJcnTOkvpMNgo/cTB5IxY92Bp19btKbFGt4B6leMvohkMLBcPxtUCQ+FCD/199kiqcqqq5IlMFpJsYOtkCHnAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:35:54.233461Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5395","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b5069ca0abcd4f8da4ee14011f4705a2a50fb8ee1b7d62e0f37ab202a755b88e","sha256:c60bbab07139f06c77e9652ca6f759a7fa2e94d156963b6ebbd52d0c5a6743a3"],"state_sha256":"c25aac860a8767821edc0aa22b342fb48da70dfa39fc0ca6690dd100e75955df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m49ChAoziWO3fevMrAa+j+xzxMymTLZ4oTrfDaWS+Rjx6XtIYFcy9Um6sS4B761ihJsHEEmj4KJLf28lWASsBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:43:09.749430Z","bundle_sha256":"c2439cfde8cb80aa3b6622eaac589b342d63e95e96332deb4687535791b90aa6"}}