{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:GQ7AXO2HQJOZJYTUYOC7DKRDA4","short_pith_number":"pith:GQ7AXO2H","canonical_record":{"source":{"id":"1708.06217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-08-21T13:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"0ecb37ebdf978453a341e48f74bcd0d6efaf41694f183131e3fdca84037b365e","abstract_canon_sha256":"59052bbc3bbb2b9bbc85b12c2063d7c1dc71c3bcc9ecf5e44e9ec48175d76462"},"schema_version":"1.0"},"canonical_sha256":"343e0bbb47825d94e274c385f1aa23071e2bfc835457c6db4256948c45ada69c","source":{"kind":"arxiv","id":"1708.06217","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06217","created_at":"2026-05-18T00:36:13Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06217v1","created_at":"2026-05-18T00:36:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06217","created_at":"2026-05-18T00:36:13Z"},{"alias_kind":"pith_short_12","alias_value":"GQ7AXO2HQJOZ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GQ7AXO2HQJOZJYTU","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GQ7AXO2H","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:GQ7AXO2HQJOZJYTUYOC7DKRDA4","target":"record","payload":{"canonical_record":{"source":{"id":"1708.06217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-08-21T13:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"0ecb37ebdf978453a341e48f74bcd0d6efaf41694f183131e3fdca84037b365e","abstract_canon_sha256":"59052bbc3bbb2b9bbc85b12c2063d7c1dc71c3bcc9ecf5e44e9ec48175d76462"},"schema_version":"1.0"},"canonical_sha256":"343e0bbb47825d94e274c385f1aa23071e2bfc835457c6db4256948c45ada69c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:13.740978Z","signature_b64":"Qw2YGvfukWgIfKxsFBKT/zMZi07AlGkHFNl9khTIXDrP4XNOsY/KwDXOrajR3A8Vid8Yg4g1ft2+FSl67LlYAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"343e0bbb47825d94e274c385f1aa23071e2bfc835457c6db4256948c45ada69c","last_reissued_at":"2026-05-18T00:36:13.740450Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:13.740450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.06217","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":"2026-05-18T00:36:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bWuw9Zv1WXfi0q059Ki+3EiaDBsy8nRaFGP3Tqj+xBfy8Bf0M0EmPGFMfwW75IM8noFOvl6fcy4cUpzDvPvGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:00:40.250378Z"},"content_sha256":"46a0c10677c9af3667269fd2f917ba652bbdcf486a93b54bfe2f41bc97eecdfa","schema_version":"1.0","event_id":"sha256:46a0c10677c9af3667269fd2f917ba652bbdcf486a93b54bfe2f41bc97eecdfa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:GQ7AXO2HQJOZJYTUYOC7DKRDA4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First-principles study of Ce$^{3+}$ doped lanthanum silicate nitride phosphors: Neutral excitation, Stokes shift, and luminescent center identification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Anna Miglio, Masayoshi Mikami, Samuel Ponc\\'e, Xavier Gonze, Yongchao Jia","submitted_at":"2017-08-21T13:44:09Z","abstract_excerpt":"We study from first principles two lanthanum silicate nitride compounds, LaSi$_{3}$N$_{5}$ and La$_{3}$Si$_{6}$N$_{11}$, pristine as well as doped with Ce$^{3+}$ ion, in view of explaining their different emission color, and characterising the luminescent center. The electronic structures of the two undoped hosts are similar, and do not give a hint to quantitatively describe such difference. The $4f\\rightarrow 5d$ neutral excitation of the Ce$^{3+}$ ions is simulated through a constrained density-functional theory method coupled with a ${\\Delta}$SCF analysis of total energies, yielding absorpt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06217","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":"2026-05-18T00:36:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6naD7tLNrw7nApo1eZXHl3LGMbCTGEp7VjB6Fr3iJA+QGAzPofibm2voBlBUtYUC+VbmxST9UdXmy98D/rTeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:00:40.250929Z"},"content_sha256":"2de08a87e5a4360423f244b437cd56afc60c0c67d8e39ba5dc8151f89a469b28","schema_version":"1.0","event_id":"sha256:2de08a87e5a4360423f244b437cd56afc60c0c67d8e39ba5dc8151f89a469b28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQ7AXO2HQJOZJYTUYOC7DKRDA4/bundle.json","state_url":"https://pith.science/pith/GQ7AXO2HQJOZJYTUYOC7DKRDA4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQ7AXO2HQJOZJYTUYOC7DKRDA4/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":"2026-05-18T20:00:40Z","links":{"resolver":"https://pith.science/pith/GQ7AXO2HQJOZJYTUYOC7DKRDA4","bundle":"https://pith.science/pith/GQ7AXO2HQJOZJYTUYOC7DKRDA4/bundle.json","state":"https://pith.science/pith/GQ7AXO2HQJOZJYTUYOC7DKRDA4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQ7AXO2HQJOZJYTUYOC7DKRDA4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GQ7AXO2HQJOZJYTUYOC7DKRDA4","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":"59052bbc3bbb2b9bbc85b12c2063d7c1dc71c3bcc9ecf5e44e9ec48175d76462","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-08-21T13:44:09Z","title_canon_sha256":"0ecb37ebdf978453a341e48f74bcd0d6efaf41694f183131e3fdca84037b365e"},"schema_version":"1.0","source":{"id":"1708.06217","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06217","created_at":"2026-05-18T00:36:13Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06217v1","created_at":"2026-05-18T00:36:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06217","created_at":"2026-05-18T00:36:13Z"},{"alias_kind":"pith_short_12","alias_value":"GQ7AXO2HQJOZ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GQ7AXO2HQJOZJYTU","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GQ7AXO2H","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:2de08a87e5a4360423f244b437cd56afc60c0c67d8e39ba5dc8151f89a469b28","target":"graph","created_at":"2026-05-18T00:36:13Z","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 study from first principles two lanthanum silicate nitride compounds, LaSi$_{3}$N$_{5}$ and La$_{3}$Si$_{6}$N$_{11}$, pristine as well as doped with Ce$^{3+}$ ion, in view of explaining their different emission color, and characterising the luminescent center. The electronic structures of the two undoped hosts are similar, and do not give a hint to quantitatively describe such difference. The $4f\\rightarrow 5d$ neutral excitation of the Ce$^{3+}$ ions is simulated through a constrained density-functional theory method coupled with a ${\\Delta}$SCF analysis of total energies, yielding absorpt","authors_text":"Anna Miglio, Masayoshi Mikami, Samuel Ponc\\'e, Xavier Gonze, Yongchao Jia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-08-21T13:44:09Z","title":"First-principles study of Ce$^{3+}$ doped lanthanum silicate nitride phosphors: Neutral excitation, Stokes shift, and luminescent center identification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06217","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":"sha256:46a0c10677c9af3667269fd2f917ba652bbdcf486a93b54bfe2f41bc97eecdfa","target":"record","created_at":"2026-05-18T00:36:13Z","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":"59052bbc3bbb2b9bbc85b12c2063d7c1dc71c3bcc9ecf5e44e9ec48175d76462","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-08-21T13:44:09Z","title_canon_sha256":"0ecb37ebdf978453a341e48f74bcd0d6efaf41694f183131e3fdca84037b365e"},"schema_version":"1.0","source":{"id":"1708.06217","kind":"arxiv","version":1}},"canonical_sha256":"343e0bbb47825d94e274c385f1aa23071e2bfc835457c6db4256948c45ada69c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"343e0bbb47825d94e274c385f1aa23071e2bfc835457c6db4256948c45ada69c","first_computed_at":"2026-05-18T00:36:13.740450Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:13.740450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qw2YGvfukWgIfKxsFBKT/zMZi07AlGkHFNl9khTIXDrP4XNOsY/KwDXOrajR3A8Vid8Yg4g1ft2+FSl67LlYAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:13.740978Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.06217","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46a0c10677c9af3667269fd2f917ba652bbdcf486a93b54bfe2f41bc97eecdfa","sha256:2de08a87e5a4360423f244b437cd56afc60c0c67d8e39ba5dc8151f89a469b28"],"state_sha256":"3787cb6c5992893350bdd4a3d7c6bb014f71f2358c4cb9daaba9343a4b643cbb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUte09gMzIuBw71AidxLGzyvvvxW2plyBZ2ldPA2TosAId9B83rIfUhCuzHv1uokoNUfA9XDB6WGWZhELOHMAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T20:00:40.252800Z","bundle_sha256":"8b821039b3c04aabb8f8e57c77db728105261791afc7d6c0b20cfa5b52fd2c51"}}