{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QCABSCCX556ME66UIAXD5FBFRQ","short_pith_number":"pith:QCABSCCX","canonical_record":{"source":{"id":"1509.08321","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-28T13:56:25Z","cross_cats_sorted":[],"title_canon_sha256":"09edd2ebf911293cd6ca63c4bc688f279188dac357ea2bde18817325bee53ca7","abstract_canon_sha256":"c19b45a678a8de1273ce6005e230dabe699e6c19b1e83f366e970afe4c8d5d89"},"schema_version":"1.0"},"canonical_sha256":"8080190857ef7cc27bd4402e3e94258c19e6a2e4456b59c02d38291f3fcccf05","source":{"kind":"arxiv","id":"1509.08321","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08321","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08321v2","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08321","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"pith_short_12","alias_value":"QCABSCCX556M","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QCABSCCX556ME66U","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QCABSCCX","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QCABSCCX556ME66UIAXD5FBFRQ","target":"record","payload":{"canonical_record":{"source":{"id":"1509.08321","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-28T13:56:25Z","cross_cats_sorted":[],"title_canon_sha256":"09edd2ebf911293cd6ca63c4bc688f279188dac357ea2bde18817325bee53ca7","abstract_canon_sha256":"c19b45a678a8de1273ce6005e230dabe699e6c19b1e83f366e970afe4c8d5d89"},"schema_version":"1.0"},"canonical_sha256":"8080190857ef7cc27bd4402e3e94258c19e6a2e4456b59c02d38291f3fcccf05","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:23.135934Z","signature_b64":"0DMu+EVYGJG2SVs3IrgmlIirQGHitSwKsDSYffu/fx9lR/DN17RWvPHBynbJc+13MEWZKZNpd+zMfKVc2OL/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8080190857ef7cc27bd4402e3e94258c19e6a2e4456b59c02d38291f3fcccf05","last_reissued_at":"2026-05-18T01:23:23.135386Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:23.135386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.08321","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":"2026-05-18T01:23:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sEN/zrDWqBw/6zHMdpyhPqwNLvZGXfwh5n225pOBETWdNAO/3E53fEgenW8JqX4AJQquGIb6VXy+NnOqEl9KCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T04:21:26.381274Z"},"content_sha256":"d87fcb6aa8b26d8a0b25ae034bcd9b21195cb4bf0691580ffd20ef7b78f5290a","schema_version":"1.0","event_id":"sha256:d87fcb6aa8b26d8a0b25ae034bcd9b21195cb4bf0691580ffd20ef7b78f5290a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QCABSCCX556ME66UIAXD5FBFRQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase Stability and Properties of Manganese Oxide Polymorphs: Assessment and Insights from Diffusion Monte Carlo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Elif Ertekin, Joshua A. Schiller, Lucas K. Wagner","submitted_at":"2015-09-28T13:56:25Z","abstract_excerpt":"We present an analysis of the polymorphic energy ordering and properties of the rock salt and zincblende structures of manganese oxide using fixed node diffusion Monte Carlo (DMC). Manganese oxide is a correlated, antiferromagnetic material that has proven to be challenging to model from first principles across a variety of approaches. Unlike conventional density functional theory and some hybrid functionals, fixed node diffusion Monte Carlo finds the rock salt structure to be more stable than the zincblende structure, and thus recovers the correct energy ordering. Analysis of the site-resolve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08321","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":"2026-05-18T01:23:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G3Yjo0y8d5aXTfWMNdGJ/eEdPAsr60kzYmrpxmz+WRNuGhZNFTRZ9EkvvVBAKeAkI0isf1uWxwQVbkrM7vNfDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T04:21:26.381949Z"},"content_sha256":"ece5fe5197e34fa897238f7f5de5a25c43df68954a8881d10c642bbbadff54b6","schema_version":"1.0","event_id":"sha256:ece5fe5197e34fa897238f7f5de5a25c43df68954a8881d10c642bbbadff54b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QCABSCCX556ME66UIAXD5FBFRQ/bundle.json","state_url":"https://pith.science/pith/QCABSCCX556ME66UIAXD5FBFRQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QCABSCCX556ME66UIAXD5FBFRQ/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":"2026-05-31T04:21:26Z","links":{"resolver":"https://pith.science/pith/QCABSCCX556ME66UIAXD5FBFRQ","bundle":"https://pith.science/pith/QCABSCCX556ME66UIAXD5FBFRQ/bundle.json","state":"https://pith.science/pith/QCABSCCX556ME66UIAXD5FBFRQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QCABSCCX556ME66UIAXD5FBFRQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QCABSCCX556ME66UIAXD5FBFRQ","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":"c19b45a678a8de1273ce6005e230dabe699e6c19b1e83f366e970afe4c8d5d89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-28T13:56:25Z","title_canon_sha256":"09edd2ebf911293cd6ca63c4bc688f279188dac357ea2bde18817325bee53ca7"},"schema_version":"1.0","source":{"id":"1509.08321","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08321","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08321v2","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08321","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"pith_short_12","alias_value":"QCABSCCX556M","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QCABSCCX556ME66U","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QCABSCCX","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:ece5fe5197e34fa897238f7f5de5a25c43df68954a8881d10c642bbbadff54b6","target":"graph","created_at":"2026-05-18T01:23:23Z","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 present an analysis of the polymorphic energy ordering and properties of the rock salt and zincblende structures of manganese oxide using fixed node diffusion Monte Carlo (DMC). Manganese oxide is a correlated, antiferromagnetic material that has proven to be challenging to model from first principles across a variety of approaches. Unlike conventional density functional theory and some hybrid functionals, fixed node diffusion Monte Carlo finds the rock salt structure to be more stable than the zincblende structure, and thus recovers the correct energy ordering. Analysis of the site-resolve","authors_text":"Elif Ertekin, Joshua A. Schiller, Lucas K. Wagner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-28T13:56:25Z","title":"Phase Stability and Properties of Manganese Oxide Polymorphs: Assessment and Insights from Diffusion Monte Carlo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08321","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:d87fcb6aa8b26d8a0b25ae034bcd9b21195cb4bf0691580ffd20ef7b78f5290a","target":"record","created_at":"2026-05-18T01:23:23Z","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":"c19b45a678a8de1273ce6005e230dabe699e6c19b1e83f366e970afe4c8d5d89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-28T13:56:25Z","title_canon_sha256":"09edd2ebf911293cd6ca63c4bc688f279188dac357ea2bde18817325bee53ca7"},"schema_version":"1.0","source":{"id":"1509.08321","kind":"arxiv","version":2}},"canonical_sha256":"8080190857ef7cc27bd4402e3e94258c19e6a2e4456b59c02d38291f3fcccf05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8080190857ef7cc27bd4402e3e94258c19e6a2e4456b59c02d38291f3fcccf05","first_computed_at":"2026-05-18T01:23:23.135386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:23.135386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0DMu+EVYGJG2SVs3IrgmlIirQGHitSwKsDSYffu/fx9lR/DN17RWvPHBynbJc+13MEWZKZNpd+zMfKVc2OL/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:23.135934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.08321","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d87fcb6aa8b26d8a0b25ae034bcd9b21195cb4bf0691580ffd20ef7b78f5290a","sha256:ece5fe5197e34fa897238f7f5de5a25c43df68954a8881d10c642bbbadff54b6"],"state_sha256":"08d9360f83e957ecfc8988fb4162dfcae0ca28f0be25b2a56d91c4ae989b9888"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d5G/jtAJt2YrfU7wYbczrenrXk4nYagNwQbxLsJ4P6KawPOZ/k/kkf12Gve9k1tNwwtvgMwg8DNe7TPRR0bgAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T04:21:26.385468Z","bundle_sha256":"e0f73bfd7426d84c9115b194595f79dba9484b9bdb1632cddf27bbcabd47c06a"}}