{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:H2DFPZTTIXALCEEUKXW5UPCBIP","short_pith_number":"pith:H2DFPZTT","canonical_record":{"source":{"id":"1210.3301","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-11T17:16:56Z","cross_cats_sorted":[],"title_canon_sha256":"d95a0aff020ba9883fb9ce83d0421b2aba6fa4f008bfbcb5a7beb80be3bfedad","abstract_canon_sha256":"ed1ab4b7b89fb8d421bb1f5433ada32ce2a4e7595638319f7d3417c94b34bd31"},"schema_version":"1.0"},"canonical_sha256":"3e8657e67345c0b1109455edda3c4143f607b3a8b06a8c4d8b065c74fa3360cc","source":{"kind":"arxiv","id":"1210.3301","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3301","created_at":"2026-05-18T01:53:56Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3301v2","created_at":"2026-05-18T01:53:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3301","created_at":"2026-05-18T01:53:56Z"},{"alias_kind":"pith_short_12","alias_value":"H2DFPZTTIXAL","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"H2DFPZTTIXALCEEU","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"H2DFPZTT","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:H2DFPZTTIXALCEEUKXW5UPCBIP","target":"record","payload":{"canonical_record":{"source":{"id":"1210.3301","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-11T17:16:56Z","cross_cats_sorted":[],"title_canon_sha256":"d95a0aff020ba9883fb9ce83d0421b2aba6fa4f008bfbcb5a7beb80be3bfedad","abstract_canon_sha256":"ed1ab4b7b89fb8d421bb1f5433ada32ce2a4e7595638319f7d3417c94b34bd31"},"schema_version":"1.0"},"canonical_sha256":"3e8657e67345c0b1109455edda3c4143f607b3a8b06a8c4d8b065c74fa3360cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:56.639397Z","signature_b64":"LhGO/MMe/mns31D8Rh35X5J64rxmvOlfBwOUnaZlL52Hi6lQAgnX0TR27BQLjap8DjvX160riRfX/me/rC5rBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e8657e67345c0b1109455edda3c4143f607b3a8b06a8c4d8b065c74fa3360cc","last_reissued_at":"2026-05-18T01:53:56.638812Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:56.638812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.3301","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":"2026-05-18T01:53:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2vTTKXWRWB0KTsZJSVia7QD3Td0h7bdXHRWoH4i4rmpzw4jC/ZlbmevSEYUcnY9krNnl8WcFw+x+tdsq/2yvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:12:54.999385Z"},"content_sha256":"7b5adb813617d7867e80bd8b637235cdf09adff0927d39007269d21e3f876974","schema_version":"1.0","event_id":"sha256:7b5adb813617d7867e80bd8b637235cdf09adff0927d39007269d21e3f876974"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:H2DFPZTTIXALCEEUKXW5UPCBIP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rare-earth free yellow-green emitting NaZnPO4:Mn phosphor for lighting applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. Haranath, G. Sehgal, L. M. Kandpal, M. K. Dalai, N. Vijayan, R. K. Sharma, S. Mishra, S. Yadav, Virendra Shanker","submitted_at":"2012-10-11T17:16:56Z","abstract_excerpt":"Manganese doped sodium zinc phosphate phosphor with exceptional features having ultra-violet (UV) to visible absorption (300-470 nm), yellow-green (~543 nm) broad-band photoluminescence (PL) and appreciable color co-ordinates (x=0.39, y=0.58) is reported. It has a crystal structure consists of discrete PO4 tetrahedra linked by ZnO4 and NaO4 distorted tetrahedral such that three tetrahedra, one of each kind, share one corner. The presence of UV sensitive Zn-O-Zn bonds efficient energy transfer to Mn2+ ions resulted in brightest PL and external quantum yield of 63% at 418 nm. Our experiment demo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3301","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":"2026-05-18T01:53:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bjoN8NQfvaheLnPb9QN5o2OcG5Ms3qcvDfHAFff0GV4sdV6xrOBT+FU+T8uHlQaLHQCLuFdFYRxDW5bi68vxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:12:54.999734Z"},"content_sha256":"3b8d7cbeaeb5c10566e7e36b833b6a571f62c0be56827247bf6c98aca565a41f","schema_version":"1.0","event_id":"sha256:3b8d7cbeaeb5c10566e7e36b833b6a571f62c0be56827247bf6c98aca565a41f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H2DFPZTTIXALCEEUKXW5UPCBIP/bundle.json","state_url":"https://pith.science/pith/H2DFPZTTIXALCEEUKXW5UPCBIP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H2DFPZTTIXALCEEUKXW5UPCBIP/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":"2026-06-08T14:12:55Z","links":{"resolver":"https://pith.science/pith/H2DFPZTTIXALCEEUKXW5UPCBIP","bundle":"https://pith.science/pith/H2DFPZTTIXALCEEUKXW5UPCBIP/bundle.json","state":"https://pith.science/pith/H2DFPZTTIXALCEEUKXW5UPCBIP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H2DFPZTTIXALCEEUKXW5UPCBIP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:H2DFPZTTIXALCEEUKXW5UPCBIP","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":"ed1ab4b7b89fb8d421bb1f5433ada32ce2a4e7595638319f7d3417c94b34bd31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-11T17:16:56Z","title_canon_sha256":"d95a0aff020ba9883fb9ce83d0421b2aba6fa4f008bfbcb5a7beb80be3bfedad"},"schema_version":"1.0","source":{"id":"1210.3301","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3301","created_at":"2026-05-18T01:53:56Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3301v2","created_at":"2026-05-18T01:53:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3301","created_at":"2026-05-18T01:53:56Z"},{"alias_kind":"pith_short_12","alias_value":"H2DFPZTTIXAL","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"H2DFPZTTIXALCEEU","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"H2DFPZTT","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:3b8d7cbeaeb5c10566e7e36b833b6a571f62c0be56827247bf6c98aca565a41f","target":"graph","created_at":"2026-05-18T01:53:56Z","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":"Manganese doped sodium zinc phosphate phosphor with exceptional features having ultra-violet (UV) to visible absorption (300-470 nm), yellow-green (~543 nm) broad-band photoluminescence (PL) and appreciable color co-ordinates (x=0.39, y=0.58) is reported. It has a crystal structure consists of discrete PO4 tetrahedra linked by ZnO4 and NaO4 distorted tetrahedral such that three tetrahedra, one of each kind, share one corner. The presence of UV sensitive Zn-O-Zn bonds efficient energy transfer to Mn2+ ions resulted in brightest PL and external quantum yield of 63% at 418 nm. Our experiment demo","authors_text":"D. Haranath, G. Sehgal, L. M. Kandpal, M. K. Dalai, N. Vijayan, R. K. Sharma, S. Mishra, S. Yadav, Virendra Shanker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-11T17:16:56Z","title":"Rare-earth free yellow-green emitting NaZnPO4:Mn phosphor for lighting applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3301","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":"sha256:7b5adb813617d7867e80bd8b637235cdf09adff0927d39007269d21e3f876974","target":"record","created_at":"2026-05-18T01:53:56Z","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":"ed1ab4b7b89fb8d421bb1f5433ada32ce2a4e7595638319f7d3417c94b34bd31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-11T17:16:56Z","title_canon_sha256":"d95a0aff020ba9883fb9ce83d0421b2aba6fa4f008bfbcb5a7beb80be3bfedad"},"schema_version":"1.0","source":{"id":"1210.3301","kind":"arxiv","version":2}},"canonical_sha256":"3e8657e67345c0b1109455edda3c4143f607b3a8b06a8c4d8b065c74fa3360cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e8657e67345c0b1109455edda3c4143f607b3a8b06a8c4d8b065c74fa3360cc","first_computed_at":"2026-05-18T01:53:56.638812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:56.638812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LhGO/MMe/mns31D8Rh35X5J64rxmvOlfBwOUnaZlL52Hi6lQAgnX0TR27BQLjap8DjvX160riRfX/me/rC5rBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:56.639397Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.3301","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b5adb813617d7867e80bd8b637235cdf09adff0927d39007269d21e3f876974","sha256:3b8d7cbeaeb5c10566e7e36b833b6a571f62c0be56827247bf6c98aca565a41f"],"state_sha256":"6113c4659e10ee872936ee04518eb4aec819754ebb81331518736f19e390bc9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cpKXYdWFwke0BR6qhXsQ5+w1mUWlyUJwl/X4DAhWofYnM1FmKekFpH+KZVt7ZnJo73xiLWSzFvPP4Mz+wY6VAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T14:12:55.001836Z","bundle_sha256":"23bedb1be839926e571691e3bcec52fcd7600d149e5cf795006aef1df3e8a4ca"}}