{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YWEND432VHGAQ4M4GWMGBOLHSZ","short_pith_number":"pith:YWEND432","canonical_record":{"source":{"id":"2510.07353","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-10-08T12:47:25Z","cross_cats_sorted":[],"title_canon_sha256":"441ad3039f563d56bbc129cedb258fa36f223c94159ed5e7a07b1c183834f375","abstract_canon_sha256":"25571b1e6273bbfbc207351c5889a87198c528ab78e40fca6864fa0b579e145d"},"schema_version":"1.0"},"canonical_sha256":"c588d1f37aa9cc08719c359860b9679674d2f851e2a4a8ed1c368a5d38280576","source":{"kind":"arxiv","id":"2510.07353","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2510.07353","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"2510.07353v2","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2510.07353","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"YWEND432VHGA","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"pith_short_16","alias_value":"YWEND432VHGAQ4M4","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"pith_short_8","alias_value":"YWEND432","created_at":"2026-05-20T00:00:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YWEND432VHGAQ4M4GWMGBOLHSZ","target":"record","payload":{"canonical_record":{"source":{"id":"2510.07353","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-10-08T12:47:25Z","cross_cats_sorted":[],"title_canon_sha256":"441ad3039f563d56bbc129cedb258fa36f223c94159ed5e7a07b1c183834f375","abstract_canon_sha256":"25571b1e6273bbfbc207351c5889a87198c528ab78e40fca6864fa0b579e145d"},"schema_version":"1.0"},"canonical_sha256":"c588d1f37aa9cc08719c359860b9679674d2f851e2a4a8ed1c368a5d38280576","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:00:25.527798Z","signature_b64":"JuizaO/Oh6wfQ9gZX5gm8WaCjBqN0yRgjQ1lY1XSE+BXolChwhh1pOROpbdYaFPAlM+WD2OvB/c0yd+E+XTJAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c588d1f37aa9cc08719c359860b9679674d2f851e2a4a8ed1c368a5d38280576","last_reissued_at":"2026-05-20T00:00:25.527006Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:00:25.527006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2510.07353","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":"2026-05-20T00:00:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JNObyX4jN+LiCVDj62DFAay68GPkS/YKNuivvDkVjsij/ngOZqwFiGiiWh1YkaqQRJjf1o7lmC07SizVFf2AAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:15:38.381254Z"},"content_sha256":"a24681ab9c16e6ffeeed31e74181cddb3bc7a4ec3cac1dc29a6bc281898bda80","schema_version":"1.0","event_id":"sha256:a24681ab9c16e6ffeeed31e74181cddb3bc7a4ec3cac1dc29a6bc281898bda80"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YWEND432VHGAQ4M4GWMGBOLHSZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"General expression for the energy and the equation of state for polycrystalline solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Ilkiv, Kyiv, O. Bystrenko, O. Foia, O. Khyzhun (Frantsevich Institute for problems of materials science, S. Petrovska, T. Bystrenko, Ukraine)","submitted_at":"2025-10-08T12:47:25Z","abstract_excerpt":"On the basis of the extended classical elasticity theory, we propose universal semi-empirical analytical expressions for the energy and the equation of state for poly-crystalline solids. The validation of the relations has been made by means of first principle density functional theory simulations with the use of pseudo-potential approach and generalized gradient approximation for the exchange-correlation energy. The calculations performed for a large number of inorganic crystalline compounds with metal, covalent and ionic bonding (including diamond, Mg, sphalerite, B, magnesium carboboride, t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2510.07353","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2510.07353/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":"2026-05-20T00:00:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6Z7/y+vqwYDauy+4Vv9YFPssu1HAybWCDNdzqwPe8RI5TNB1exJYlIvkOCMxzVrqYxUU+afTkUb7Dot7Fh0pAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:15:38.381650Z"},"content_sha256":"0798f949ccdc41e9cfb4d069a608d089bb79ef69c071df290e3c8134cabf9a6a","schema_version":"1.0","event_id":"sha256:0798f949ccdc41e9cfb4d069a608d089bb79ef69c071df290e3c8134cabf9a6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YWEND432VHGAQ4M4GWMGBOLHSZ/bundle.json","state_url":"https://pith.science/pith/YWEND432VHGAQ4M4GWMGBOLHSZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YWEND432VHGAQ4M4GWMGBOLHSZ/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":"2026-05-28T13:15:38Z","links":{"resolver":"https://pith.science/pith/YWEND432VHGAQ4M4GWMGBOLHSZ","bundle":"https://pith.science/pith/YWEND432VHGAQ4M4GWMGBOLHSZ/bundle.json","state":"https://pith.science/pith/YWEND432VHGAQ4M4GWMGBOLHSZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YWEND432VHGAQ4M4GWMGBOLHSZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YWEND432VHGAQ4M4GWMGBOLHSZ","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":"25571b1e6273bbfbc207351c5889a87198c528ab78e40fca6864fa0b579e145d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-10-08T12:47:25Z","title_canon_sha256":"441ad3039f563d56bbc129cedb258fa36f223c94159ed5e7a07b1c183834f375"},"schema_version":"1.0","source":{"id":"2510.07353","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2510.07353","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"2510.07353v2","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2510.07353","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"YWEND432VHGA","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"pith_short_16","alias_value":"YWEND432VHGAQ4M4","created_at":"2026-05-20T00:00:25Z"},{"alias_kind":"pith_short_8","alias_value":"YWEND432","created_at":"2026-05-20T00:00:25Z"}],"graph_snapshots":[{"event_id":"sha256:0798f949ccdc41e9cfb4d069a608d089bb79ef69c071df290e3c8134cabf9a6a","target":"graph","created_at":"2026-05-20T00:00:25Z","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/2510.07353/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"On the basis of the extended classical elasticity theory, we propose universal semi-empirical analytical expressions for the energy and the equation of state for poly-crystalline solids. The validation of the relations has been made by means of first principle density functional theory simulations with the use of pseudo-potential approach and generalized gradient approximation for the exchange-correlation energy. The calculations performed for a large number of inorganic crystalline compounds with metal, covalent and ionic bonding (including diamond, Mg, sphalerite, B, magnesium carboboride, t","authors_text":"B. Ilkiv, Kyiv, O. Bystrenko, O. Foia, O. Khyzhun (Frantsevich Institute for problems of materials science, S. Petrovska, T. Bystrenko, Ukraine)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-10-08T12:47:25Z","title":"General expression for the energy and the equation of state for polycrystalline solids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2510.07353","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:a24681ab9c16e6ffeeed31e74181cddb3bc7a4ec3cac1dc29a6bc281898bda80","target":"record","created_at":"2026-05-20T00:00:25Z","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":"25571b1e6273bbfbc207351c5889a87198c528ab78e40fca6864fa0b579e145d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-10-08T12:47:25Z","title_canon_sha256":"441ad3039f563d56bbc129cedb258fa36f223c94159ed5e7a07b1c183834f375"},"schema_version":"1.0","source":{"id":"2510.07353","kind":"arxiv","version":2}},"canonical_sha256":"c588d1f37aa9cc08719c359860b9679674d2f851e2a4a8ed1c368a5d38280576","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c588d1f37aa9cc08719c359860b9679674d2f851e2a4a8ed1c368a5d38280576","first_computed_at":"2026-05-20T00:00:25.527006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:00:25.527006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JuizaO/Oh6wfQ9gZX5gm8WaCjBqN0yRgjQ1lY1XSE+BXolChwhh1pOROpbdYaFPAlM+WD2OvB/c0yd+E+XTJAg==","signature_status":"signed_v1","signed_at":"2026-05-20T00:00:25.527798Z","signed_message":"canonical_sha256_bytes"},"source_id":"2510.07353","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a24681ab9c16e6ffeeed31e74181cddb3bc7a4ec3cac1dc29a6bc281898bda80","sha256:0798f949ccdc41e9cfb4d069a608d089bb79ef69c071df290e3c8134cabf9a6a"],"state_sha256":"6a91cac840251ffb32975695203a4a8e97f14a18e0a55f603d14170a8fd430c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ffGwQAA8zY/cJ/8zll+I1O8Ez4C0OkNyajWbE8Apo5rqosp7mbHh0V9BzA8JkvLiSZCCjFAPaTPXdVWUIsAFCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:15:38.383707Z","bundle_sha256":"eef53b68d6aed78837fa914943591446566f0e2c3a8e9685e838df871c945d64"}}