{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:R4JBH4ADJXDPSZZMZCKAKFXN7O","short_pith_number":"pith:R4JBH4AD","canonical_record":{"source":{"id":"1807.04777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-12T18:25:42Z","cross_cats_sorted":[],"title_canon_sha256":"bc674faf175cd0558d1a77ffe0bf6561449d514c6693c6dca1d66363a4dc715f","abstract_canon_sha256":"df12ae11f92c5fff6504972be2953c8b439d34c878bcc50e33664f0eaa7e1f50"},"schema_version":"1.0"},"canonical_sha256":"8f1213f0034dc6f9672cc8940516edfb9b07cd219acfe98168ab475b111d227d","source":{"kind":"arxiv","id":"1807.04777","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04777","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04777v1","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04777","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"R4JBH4ADJXDP","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R4JBH4ADJXDPSZZM","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R4JBH4AD","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:R4JBH4ADJXDPSZZMZCKAKFXN7O","target":"record","payload":{"canonical_record":{"source":{"id":"1807.04777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-12T18:25:42Z","cross_cats_sorted":[],"title_canon_sha256":"bc674faf175cd0558d1a77ffe0bf6561449d514c6693c6dca1d66363a4dc715f","abstract_canon_sha256":"df12ae11f92c5fff6504972be2953c8b439d34c878bcc50e33664f0eaa7e1f50"},"schema_version":"1.0"},"canonical_sha256":"8f1213f0034dc6f9672cc8940516edfb9b07cd219acfe98168ab475b111d227d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:33.833631Z","signature_b64":"oh4LaL3x9HKTVmQLLMUR5DzFMYztY5WmUNkPxsHIVqLEVvvrzYZD0sNBobbS9pvtRmsbqCpbkgnVJzf+C/QFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f1213f0034dc6f9672cc8940516edfb9b07cd219acfe98168ab475b111d227d","last_reissued_at":"2026-05-18T00:02:33.833091Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:33.833091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.04777","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":"2026-05-18T00:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vC09C2a2MT7XH/fbxVUrVGwzhSExoHqx0OWs653zgI91kwrvbjyOEFNepKNwkC0v3J6Z+JOrto0lERSu44vpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:57:18.200208Z"},"content_sha256":"1b694625b85ee5b0064792d25a61fee9c9111455c15fd8c4153916aad7ea3d68","schema_version":"1.0","event_id":"sha256:1b694625b85ee5b0064792d25a61fee9c9111455c15fd8c4153916aad7ea3d68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:R4JBH4ADJXDPSZZMZCKAKFXN7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First-Principles-Based Strain and Temperature Dependent Ferroic Phase Diagram of SrMnO$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexander Edstr\\\"om, Claude Ederer","submitted_at":"2018-07-12T18:25:42Z","abstract_excerpt":"Perovskite structure SrMnO$_3$ is a rare example of a multiferroic material where strain-tuning and/or cation substitution could lead to coinciding magnetic and ferroelectric ordering temperatures, which would then promise strong magnetoelectric coupling effects. Here, we establish the temperature and strain dependent ferroic phase diagram of SrMnO$_3$ using first-principles-based effective Hamiltonians. All parameters of these Hamiltonians are calculated using density functional theory, i.e., no fitting to experimental data is required. Temperature dependent properties are then obtained from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04777","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":"2026-05-18T00:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jhvr7iI4wE7d6cXJO0pElIXKfM6DI8kM8PiriXj79Z5uMZOknDR/0mnr5KbO63i1pWW6nqfcoDRCzvjWy4yiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:57:18.200642Z"},"content_sha256":"61df9e450d684e0866f57eff313347ed53df04697a6d2d2a2632330fbde6d95c","schema_version":"1.0","event_id":"sha256:61df9e450d684e0866f57eff313347ed53df04697a6d2d2a2632330fbde6d95c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R4JBH4ADJXDPSZZMZCKAKFXN7O/bundle.json","state_url":"https://pith.science/pith/R4JBH4ADJXDPSZZMZCKAKFXN7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R4JBH4ADJXDPSZZMZCKAKFXN7O/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":"2026-05-27T09:57:18Z","links":{"resolver":"https://pith.science/pith/R4JBH4ADJXDPSZZMZCKAKFXN7O","bundle":"https://pith.science/pith/R4JBH4ADJXDPSZZMZCKAKFXN7O/bundle.json","state":"https://pith.science/pith/R4JBH4ADJXDPSZZMZCKAKFXN7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R4JBH4ADJXDPSZZMZCKAKFXN7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:R4JBH4ADJXDPSZZMZCKAKFXN7O","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":"df12ae11f92c5fff6504972be2953c8b439d34c878bcc50e33664f0eaa7e1f50","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-12T18:25:42Z","title_canon_sha256":"bc674faf175cd0558d1a77ffe0bf6561449d514c6693c6dca1d66363a4dc715f"},"schema_version":"1.0","source":{"id":"1807.04777","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04777","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04777v1","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04777","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"R4JBH4ADJXDP","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R4JBH4ADJXDPSZZM","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R4JBH4AD","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:61df9e450d684e0866f57eff313347ed53df04697a6d2d2a2632330fbde6d95c","target":"graph","created_at":"2026-05-18T00:02:33Z","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":"Perovskite structure SrMnO$_3$ is a rare example of a multiferroic material where strain-tuning and/or cation substitution could lead to coinciding magnetic and ferroelectric ordering temperatures, which would then promise strong magnetoelectric coupling effects. Here, we establish the temperature and strain dependent ferroic phase diagram of SrMnO$_3$ using first-principles-based effective Hamiltonians. All parameters of these Hamiltonians are calculated using density functional theory, i.e., no fitting to experimental data is required. Temperature dependent properties are then obtained from ","authors_text":"Alexander Edstr\\\"om, Claude Ederer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-12T18:25:42Z","title":"First-Principles-Based Strain and Temperature Dependent Ferroic Phase Diagram of SrMnO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04777","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":"sha256:1b694625b85ee5b0064792d25a61fee9c9111455c15fd8c4153916aad7ea3d68","target":"record","created_at":"2026-05-18T00:02:33Z","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":"df12ae11f92c5fff6504972be2953c8b439d34c878bcc50e33664f0eaa7e1f50","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-12T18:25:42Z","title_canon_sha256":"bc674faf175cd0558d1a77ffe0bf6561449d514c6693c6dca1d66363a4dc715f"},"schema_version":"1.0","source":{"id":"1807.04777","kind":"arxiv","version":1}},"canonical_sha256":"8f1213f0034dc6f9672cc8940516edfb9b07cd219acfe98168ab475b111d227d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f1213f0034dc6f9672cc8940516edfb9b07cd219acfe98168ab475b111d227d","first_computed_at":"2026-05-18T00:02:33.833091Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:33.833091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oh4LaL3x9HKTVmQLLMUR5DzFMYztY5WmUNkPxsHIVqLEVvvrzYZD0sNBobbS9pvtRmsbqCpbkgnVJzf+C/QFCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:33.833631Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.04777","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b694625b85ee5b0064792d25a61fee9c9111455c15fd8c4153916aad7ea3d68","sha256:61df9e450d684e0866f57eff313347ed53df04697a6d2d2a2632330fbde6d95c"],"state_sha256":"d6a5927d01b0700438481b4c438d1f2551a6dbfdea8bd9442fe41f6027d58b7b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oI08KugR6HkUgahCpbZHJOgtZKp60UrRlTrXkHHe0QPxcC8oEyw/m7PV286b3utbump9vF1XeqUmv6Rf80KpBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T09:57:18.203507Z","bundle_sha256":"1b1868d42d844a7c16b7e08474813c52f1d3fed601ca70f4aeb8c5728f885cb0"}}