{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:QQCAIBZIKSP72DPPU7KAHSMDAT","short_pith_number":"pith:QQCAIBZI","canonical_record":{"source":{"id":"cond-mat/0504286","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-04-12T11:47:42Z","cross_cats_sorted":[],"title_canon_sha256":"a78e00e7b0fde9376db431a3b2e753b31c11e7a2d5256b45e998c1437dcba24d","abstract_canon_sha256":"eabaf72e6cf57e1f329dafd2faf3ec2b016dc5ac577f00781f14bafc0f9ca972"},"schema_version":"1.0"},"canonical_sha256":"8404040728549ffd0defa7d403c98304ee940acc07d7e2def81354017242d6a0","source":{"kind":"arxiv","id":"cond-mat/0504286","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0504286","created_at":"2026-05-18T01:06:52Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0504286v1","created_at":"2026-05-18T01:06:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0504286","created_at":"2026-05-18T01:06:52Z"},{"alias_kind":"pith_short_12","alias_value":"QQCAIBZIKSP7","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"QQCAIBZIKSP72DPP","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"QQCAIBZI","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:QQCAIBZIKSP72DPPU7KAHSMDAT","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0504286","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-04-12T11:47:42Z","cross_cats_sorted":[],"title_canon_sha256":"a78e00e7b0fde9376db431a3b2e753b31c11e7a2d5256b45e998c1437dcba24d","abstract_canon_sha256":"eabaf72e6cf57e1f329dafd2faf3ec2b016dc5ac577f00781f14bafc0f9ca972"},"schema_version":"1.0"},"canonical_sha256":"8404040728549ffd0defa7d403c98304ee940acc07d7e2def81354017242d6a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:52.858021Z","signature_b64":"2eTOIPASB+PzdrZJ8uwv4mHztcUrDScwQ4soF2tUlNI38+WILUfPt5jNoCtRp5kkaqpRXKliChBhLBUrKj9oAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8404040728549ffd0defa7d403c98304ee940acc07d7e2def81354017242d6a0","last_reissued_at":"2026-05-18T01:06:52.857611Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:52.857611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0504286","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":"2026-05-18T01:06:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwjP7FPxb+YrqcdB4xs8WnBCW7j28qAtUmpGQJfQoSjwOieZWuThMAfgG291jpVJt9wOHjJoPOWuWL3pTaGPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:04:21.170755Z"},"content_sha256":"eafebef7fd61e4e7e5a810487e26028dbcd7dca2d6e619cdaecbd5d28d781e21","schema_version":"1.0","event_id":"sha256:eafebef7fd61e4e7e5a810487e26028dbcd7dca2d6e619cdaecbd5d28d781e21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:QQCAIBZIKSP72DPPU7KAHSMDAT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First-principles study of cubic perovskites SrMO_3 (M = Ti, V, Zr and Nb)","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.L. Ivanovskii, I.R. Shein, V.L.Kozhevnikov","submitted_at":"2005-04-12T11:47:42Z","abstract_excerpt":"Using the full-potential linearized-augmented-plane-wave (FLAPW) method, we have analyzed systematically the trends in the structural and electronic properties of the 3d and 4d transition-metal oxides SrMO_3 (M = Ti, V, Zr and Nb). The optimized lattice parameters, bulk modules, densities of states, band structures and charge density distributions are obtained and compared with the available theoretical and experimental data. The energy gap between O2p - Md bands increases as the covalency of the system decreases going from 3d to 4d based perovskites. The electron configurations of Sr(Ti,Zr)O_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0504286","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":"2026-05-18T01:06:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z9kd2bdKRIewkLQOZjpaQ2+mfGzidznAdE1NVbuD61ZjmV58THAhVyju7hKHohZPAsIsLvHjMe7h+xS4LO/5CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:04:21.171098Z"},"content_sha256":"32b41b1564ab506536dd37c76dd090853197d84739fab86c705c07a02b364b91","schema_version":"1.0","event_id":"sha256:32b41b1564ab506536dd37c76dd090853197d84739fab86c705c07a02b364b91"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQCAIBZIKSP72DPPU7KAHSMDAT/bundle.json","state_url":"https://pith.science/pith/QQCAIBZIKSP72DPPU7KAHSMDAT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQCAIBZIKSP72DPPU7KAHSMDAT/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":"2026-06-25T18:04:21Z","links":{"resolver":"https://pith.science/pith/QQCAIBZIKSP72DPPU7KAHSMDAT","bundle":"https://pith.science/pith/QQCAIBZIKSP72DPPU7KAHSMDAT/bundle.json","state":"https://pith.science/pith/QQCAIBZIKSP72DPPU7KAHSMDAT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQCAIBZIKSP72DPPU7KAHSMDAT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:QQCAIBZIKSP72DPPU7KAHSMDAT","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":"eabaf72e6cf57e1f329dafd2faf3ec2b016dc5ac577f00781f14bafc0f9ca972","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-04-12T11:47:42Z","title_canon_sha256":"a78e00e7b0fde9376db431a3b2e753b31c11e7a2d5256b45e998c1437dcba24d"},"schema_version":"1.0","source":{"id":"cond-mat/0504286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0504286","created_at":"2026-05-18T01:06:52Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0504286v1","created_at":"2026-05-18T01:06:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0504286","created_at":"2026-05-18T01:06:52Z"},{"alias_kind":"pith_short_12","alias_value":"QQCAIBZIKSP7","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"QQCAIBZIKSP72DPP","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"QQCAIBZI","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:32b41b1564ab506536dd37c76dd090853197d84739fab86c705c07a02b364b91","target":"graph","created_at":"2026-05-18T01:06:52Z","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":"Using the full-potential linearized-augmented-plane-wave (FLAPW) method, we have analyzed systematically the trends in the structural and electronic properties of the 3d and 4d transition-metal oxides SrMO_3 (M = Ti, V, Zr and Nb). The optimized lattice parameters, bulk modules, densities of states, band structures and charge density distributions are obtained and compared with the available theoretical and experimental data. The energy gap between O2p - Md bands increases as the covalency of the system decreases going from 3d to 4d based perovskites. The electron configurations of Sr(Ti,Zr)O_","authors_text":"A.L. Ivanovskii, I.R. Shein, V.L.Kozhevnikov","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-04-12T11:47:42Z","title":"First-principles study of cubic perovskites SrMO_3 (M = Ti, V, Zr and Nb)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0504286","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:eafebef7fd61e4e7e5a810487e26028dbcd7dca2d6e619cdaecbd5d28d781e21","target":"record","created_at":"2026-05-18T01:06:52Z","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":"eabaf72e6cf57e1f329dafd2faf3ec2b016dc5ac577f00781f14bafc0f9ca972","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-04-12T11:47:42Z","title_canon_sha256":"a78e00e7b0fde9376db431a3b2e753b31c11e7a2d5256b45e998c1437dcba24d"},"schema_version":"1.0","source":{"id":"cond-mat/0504286","kind":"arxiv","version":1}},"canonical_sha256":"8404040728549ffd0defa7d403c98304ee940acc07d7e2def81354017242d6a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8404040728549ffd0defa7d403c98304ee940acc07d7e2def81354017242d6a0","first_computed_at":"2026-05-18T01:06:52.857611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:52.857611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2eTOIPASB+PzdrZJ8uwv4mHztcUrDScwQ4soF2tUlNI38+WILUfPt5jNoCtRp5kkaqpRXKliChBhLBUrKj9oAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:52.858021Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0504286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eafebef7fd61e4e7e5a810487e26028dbcd7dca2d6e619cdaecbd5d28d781e21","sha256:32b41b1564ab506536dd37c76dd090853197d84739fab86c705c07a02b364b91"],"state_sha256":"eeac03e3ad27c1c3a73a3c5ddb680a7553e2763dce74f6ce510405d2c092c49c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xc2G1igfaNacCS/ut+B7SyJjqYKrP0enR+Hz7z3UoC4HmDPJRwEX1evWGPTTSPBS6fs3aKn/yC/Y1nLCPeSUDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T18:04:21.172973Z","bundle_sha256":"ff4dfd15b1b4b2dcdd7f2e52d5bd37d3d8a3315664f84c9cd30e6a2d9968f7e1"}}