{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DE7SSKBJRIO3EVJ5FPWMDTQJ5W","short_pith_number":"pith:DE7SSKBJ","canonical_record":{"source":{"id":"2203.07647","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-03-15T04:59:11Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"4eae0744e35b4a159d9153bc9ba71a08d112bb723c10ec7e50c1eb3789a48bd4","abstract_canon_sha256":"77bf0b88009c8a2b64d2df52dcbeed270b067e39006eaf21960febc5e8e54b57"},"schema_version":"1.0"},"canonical_sha256":"193f2928298a1db2553d2becc1ce09edbe13f3a068243302ad04447b583d2ef8","source":{"kind":"arxiv","id":"2203.07647","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.07647","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"2203.07647v1","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.07647","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"DE7SSKBJRIO3","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"pith_short_16","alias_value":"DE7SSKBJRIO3EVJ5","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"pith_short_8","alias_value":"DE7SSKBJ","created_at":"2026-07-05T04:31:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DE7SSKBJRIO3EVJ5FPWMDTQJ5W","target":"record","payload":{"canonical_record":{"source":{"id":"2203.07647","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-03-15T04:59:11Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"4eae0744e35b4a159d9153bc9ba71a08d112bb723c10ec7e50c1eb3789a48bd4","abstract_canon_sha256":"77bf0b88009c8a2b64d2df52dcbeed270b067e39006eaf21960febc5e8e54b57"},"schema_version":"1.0"},"canonical_sha256":"193f2928298a1db2553d2becc1ce09edbe13f3a068243302ad04447b583d2ef8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:31:35.679957Z","signature_b64":"Vmik6v2bGf8CRzn+vHofV6RHTniowP4P0XkPJbdobedP0zo/pFYUqzksQSn/Xp6XuG6ecJ+Fl1h9PN1Btj+DCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"193f2928298a1db2553d2becc1ce09edbe13f3a068243302ad04447b583d2ef8","last_reissued_at":"2026-07-05T04:31:35.679487Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:31:35.679487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.07647","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":"2026-07-05T04:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zPPFP9L1Ml78X1rQLWIg3rilm8SdwcV864XKVTjjJAfLLELkIsu4a2pUerSzdbiXgXDzMHv3mr6TZ7TlVyyyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T16:41:39.458852Z"},"content_sha256":"8cdb87bd052a806eff4c49ad5a4c6284b36a7bb3e8863a52c1e037dc31dfab6e","schema_version":"1.0","event_id":"sha256:8cdb87bd052a806eff4c49ad5a4c6284b36a7bb3e8863a52c1e037dc31dfab6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DE7SSKBJRIO3EVJ5FPWMDTQJ5W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elasticity of 2D ferroelectrics across their paraelectric phase transformation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"John M. Davis, John W. Villanova, Joseph E. Roll, Salvador Barraza-Lopez","submitted_at":"2022-03-15T04:59:11Z","abstract_excerpt":"The mechanical behavior of two-dimensional (2D) materials across 2D phase changes is unknown, and the finite temperature ($T$) elasticity of paradigmatic SnSe monolayers -- ferroelectric 2D materials turning paraelectric as their unit cell (u.c.) turns from a rectangle onto a square -- is described here in a progressive manner. To begin with, their zero$-T$ {\\em elastic energy landscape} gives way to (Boltzmann-like) averages from which the elastic behavior is determined. These estimates are complemented with results from the strain-fluctuation method, which employs the energy landscape or {\\e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.07647","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.07647/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6bDKHP9+Sr8tBYi3tufgPkJILqwo9Nuv4Ujzor83SL5smkcspr0722nnwmANtnV39cznqfluUaAEh1F7YlctAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T16:41:39.459222Z"},"content_sha256":"364eee8337f2fa0f4489770c33564499877c79fe789d88e2e1ffc6d17b7286be","schema_version":"1.0","event_id":"sha256:364eee8337f2fa0f4489770c33564499877c79fe789d88e2e1ffc6d17b7286be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DE7SSKBJRIO3EVJ5FPWMDTQJ5W/bundle.json","state_url":"https://pith.science/pith/DE7SSKBJRIO3EVJ5FPWMDTQJ5W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DE7SSKBJRIO3EVJ5FPWMDTQJ5W/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":"2026-07-10T16:41:39Z","links":{"resolver":"https://pith.science/pith/DE7SSKBJRIO3EVJ5FPWMDTQJ5W","bundle":"https://pith.science/pith/DE7SSKBJRIO3EVJ5FPWMDTQJ5W/bundle.json","state":"https://pith.science/pith/DE7SSKBJRIO3EVJ5FPWMDTQJ5W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DE7SSKBJRIO3EVJ5FPWMDTQJ5W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DE7SSKBJRIO3EVJ5FPWMDTQJ5W","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":"77bf0b88009c8a2b64d2df52dcbeed270b067e39006eaf21960febc5e8e54b57","cross_cats_sorted":["cond-mat.soft"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-03-15T04:59:11Z","title_canon_sha256":"4eae0744e35b4a159d9153bc9ba71a08d112bb723c10ec7e50c1eb3789a48bd4"},"schema_version":"1.0","source":{"id":"2203.07647","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.07647","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"2203.07647v1","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.07647","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"DE7SSKBJRIO3","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"pith_short_16","alias_value":"DE7SSKBJRIO3EVJ5","created_at":"2026-07-05T04:31:35Z"},{"alias_kind":"pith_short_8","alias_value":"DE7SSKBJ","created_at":"2026-07-05T04:31:35Z"}],"graph_snapshots":[{"event_id":"sha256:364eee8337f2fa0f4489770c33564499877c79fe789d88e2e1ffc6d17b7286be","target":"graph","created_at":"2026-07-05T04:31:35Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2203.07647/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The mechanical behavior of two-dimensional (2D) materials across 2D phase changes is unknown, and the finite temperature ($T$) elasticity of paradigmatic SnSe monolayers -- ferroelectric 2D materials turning paraelectric as their unit cell (u.c.) turns from a rectangle onto a square -- is described here in a progressive manner. To begin with, their zero$-T$ {\\em elastic energy landscape} gives way to (Boltzmann-like) averages from which the elastic behavior is determined. These estimates are complemented with results from the strain-fluctuation method, which employs the energy landscape or {\\e","authors_text":"John M. Davis, John W. Villanova, Joseph E. Roll, Salvador Barraza-Lopez","cross_cats":["cond-mat.soft"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-03-15T04:59:11Z","title":"Elasticity of 2D ferroelectrics across their paraelectric phase transformation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.07647","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":"sha256:8cdb87bd052a806eff4c49ad5a4c6284b36a7bb3e8863a52c1e037dc31dfab6e","target":"record","created_at":"2026-07-05T04:31:35Z","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":"77bf0b88009c8a2b64d2df52dcbeed270b067e39006eaf21960febc5e8e54b57","cross_cats_sorted":["cond-mat.soft"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-03-15T04:59:11Z","title_canon_sha256":"4eae0744e35b4a159d9153bc9ba71a08d112bb723c10ec7e50c1eb3789a48bd4"},"schema_version":"1.0","source":{"id":"2203.07647","kind":"arxiv","version":1}},"canonical_sha256":"193f2928298a1db2553d2becc1ce09edbe13f3a068243302ad04447b583d2ef8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"193f2928298a1db2553d2becc1ce09edbe13f3a068243302ad04447b583d2ef8","first_computed_at":"2026-07-05T04:31:35.679487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:31:35.679487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vmik6v2bGf8CRzn+vHofV6RHTniowP4P0XkPJbdobedP0zo/pFYUqzksQSn/Xp6XuG6ecJ+Fl1h9PN1Btj+DCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:31:35.679957Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.07647","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8cdb87bd052a806eff4c49ad5a4c6284b36a7bb3e8863a52c1e037dc31dfab6e","sha256:364eee8337f2fa0f4489770c33564499877c79fe789d88e2e1ffc6d17b7286be"],"state_sha256":"08d96758979cb03588346b392b15ec14fa51dd9ec6e5dbd8e082cc25514e492a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fXokbkIuChNe4ADNj3LCiRQGw9X/DWtds/KHT5wLBQ2/MqbaC09zITU7XdST1xMMPCcTON4yWn8Er+794gMuCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T16:41:39.461186Z","bundle_sha256":"2ff753b277eec8a08b8ad5ceaaf0c014baaee889d51ac780642e63664263d5ed"}}