{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KTOUN4C3NPAGQCJSRZKOYW75DB","short_pith_number":"pith:KTOUN4C3","canonical_record":{"source":{"id":"1807.10753","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-16T14:37:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8edcfad7b2c5c32b530784d92bab089dedbee4eac8983a7e49acb56912179aa3","abstract_canon_sha256":"085ee8026df51d586fcc8e1b7e7ea669a8488a39bb3cca41da7e88ff0614cff5"},"schema_version":"1.0"},"canonical_sha256":"54dd46f05b6bc06809328e54ec5bfd185f9fe030432b934f96d0f72e4e4b2a9e","source":{"kind":"arxiv","id":"1807.10753","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10753","created_at":"2026-05-18T00:09:39Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10753v1","created_at":"2026-05-18T00:09:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10753","created_at":"2026-05-18T00:09:39Z"},{"alias_kind":"pith_short_12","alias_value":"KTOUN4C3NPAG","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KTOUN4C3NPAGQCJS","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KTOUN4C3","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KTOUN4C3NPAGQCJSRZKOYW75DB","target":"record","payload":{"canonical_record":{"source":{"id":"1807.10753","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-16T14:37:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8edcfad7b2c5c32b530784d92bab089dedbee4eac8983a7e49acb56912179aa3","abstract_canon_sha256":"085ee8026df51d586fcc8e1b7e7ea669a8488a39bb3cca41da7e88ff0614cff5"},"schema_version":"1.0"},"canonical_sha256":"54dd46f05b6bc06809328e54ec5bfd185f9fe030432b934f96d0f72e4e4b2a9e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:39.656269Z","signature_b64":"q3uNpOpDqlmiGBMV5riID6JDv9VMSlVZKPMWfbWLVvLRkpJ3Me2etrQ+6vJAhIao02ndkOW3oPQ3PAZDbz/5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54dd46f05b6bc06809328e54ec5bfd185f9fe030432b934f96d0f72e4e4b2a9e","last_reissued_at":"2026-05-18T00:09:39.655857Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:39.655857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.10753","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":"2026-05-18T00:09:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RPPaUAj2USxmmlA4MlX0hVYYEBjC+0ZQvq+DqdVU/JylkzMYIDtufhzXxH/U9rC9OVQA1bWVKBqev41nS7frAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:51:27.078907Z"},"content_sha256":"77a5cf9cfe157b9c4a7033430e27ebc175102aa1a23a6ddc87af3dc2ce3e15aa","schema_version":"1.0","event_id":"sha256:77a5cf9cfe157b9c4a7033430e27ebc175102aa1a23a6ddc87af3dc2ce3e15aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KTOUN4C3NPAGQCJSRZKOYW75DB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An L$_0$L$_1$-norm compressive sensing paradigm for the construction of sparse predictive lattice models using mixed integer quadratic programming","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.comp-ph","authors_text":"Alexander Urban, Alexandra Toumar, Gerbrand Ceder, Hena Das, Nongnuch Artrith, Penghao Xiao, Tina Chen, Wenxuan Huang, Ziqin Rong","submitted_at":"2018-07-16T14:37:36Z","abstract_excerpt":"First-principles based lattice models allow the modeling of ab initio thermodynamics of crystalline mixtures for applications such as the construction of phase diagrams and the identification of ground state atomic orderings. The recent development of compressive sensing approaches for the construction of lattice models has further enabled the systematic construction of sparse physical models without the need for human intuition other than requiring the compactness of effective cluster interactions. However, conventional compressive sensing based on L1-norm regularization is strictly only appl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10753","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":"2026-05-18T00:09:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ACFG+MwT2Z6Bs8GsFOC+VlomN/yZYpsOA1gyctBHrBXH9M127tQBZ9vvD+v8EhOInMG+C9JL6YA0Z3uyZweICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:51:27.079670Z"},"content_sha256":"6c3bc793702c45e07e8f0d374f648baa04d49c4a0a8d19006a117eff37e769c2","schema_version":"1.0","event_id":"sha256:6c3bc793702c45e07e8f0d374f648baa04d49c4a0a8d19006a117eff37e769c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KTOUN4C3NPAGQCJSRZKOYW75DB/bundle.json","state_url":"https://pith.science/pith/KTOUN4C3NPAGQCJSRZKOYW75DB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KTOUN4C3NPAGQCJSRZKOYW75DB/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":"2026-05-27T19:51:27Z","links":{"resolver":"https://pith.science/pith/KTOUN4C3NPAGQCJSRZKOYW75DB","bundle":"https://pith.science/pith/KTOUN4C3NPAGQCJSRZKOYW75DB/bundle.json","state":"https://pith.science/pith/KTOUN4C3NPAGQCJSRZKOYW75DB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KTOUN4C3NPAGQCJSRZKOYW75DB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KTOUN4C3NPAGQCJSRZKOYW75DB","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":"085ee8026df51d586fcc8e1b7e7ea669a8488a39bb3cca41da7e88ff0614cff5","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-16T14:37:36Z","title_canon_sha256":"8edcfad7b2c5c32b530784d92bab089dedbee4eac8983a7e49acb56912179aa3"},"schema_version":"1.0","source":{"id":"1807.10753","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10753","created_at":"2026-05-18T00:09:39Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10753v1","created_at":"2026-05-18T00:09:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10753","created_at":"2026-05-18T00:09:39Z"},{"alias_kind":"pith_short_12","alias_value":"KTOUN4C3NPAG","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KTOUN4C3NPAGQCJS","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KTOUN4C3","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:6c3bc793702c45e07e8f0d374f648baa04d49c4a0a8d19006a117eff37e769c2","target":"graph","created_at":"2026-05-18T00:09:39Z","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":"First-principles based lattice models allow the modeling of ab initio thermodynamics of crystalline mixtures for applications such as the construction of phase diagrams and the identification of ground state atomic orderings. The recent development of compressive sensing approaches for the construction of lattice models has further enabled the systematic construction of sparse physical models without the need for human intuition other than requiring the compactness of effective cluster interactions. However, conventional compressive sensing based on L1-norm regularization is strictly only appl","authors_text":"Alexander Urban, Alexandra Toumar, Gerbrand Ceder, Hena Das, Nongnuch Artrith, Penghao Xiao, Tina Chen, Wenxuan Huang, Ziqin Rong","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-16T14:37:36Z","title":"An L$_0$L$_1$-norm compressive sensing paradigm for the construction of sparse predictive lattice models using mixed integer quadratic programming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10753","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":"sha256:77a5cf9cfe157b9c4a7033430e27ebc175102aa1a23a6ddc87af3dc2ce3e15aa","target":"record","created_at":"2026-05-18T00:09:39Z","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":"085ee8026df51d586fcc8e1b7e7ea669a8488a39bb3cca41da7e88ff0614cff5","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-16T14:37:36Z","title_canon_sha256":"8edcfad7b2c5c32b530784d92bab089dedbee4eac8983a7e49acb56912179aa3"},"schema_version":"1.0","source":{"id":"1807.10753","kind":"arxiv","version":1}},"canonical_sha256":"54dd46f05b6bc06809328e54ec5bfd185f9fe030432b934f96d0f72e4e4b2a9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54dd46f05b6bc06809328e54ec5bfd185f9fe030432b934f96d0f72e4e4b2a9e","first_computed_at":"2026-05-18T00:09:39.655857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:39.655857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q3uNpOpDqlmiGBMV5riID6JDv9VMSlVZKPMWfbWLVvLRkpJ3Me2etrQ+6vJAhIao02ndkOW3oPQ3PAZDbz/5Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:39.656269Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.10753","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77a5cf9cfe157b9c4a7033430e27ebc175102aa1a23a6ddc87af3dc2ce3e15aa","sha256:6c3bc793702c45e07e8f0d374f648baa04d49c4a0a8d19006a117eff37e769c2"],"state_sha256":"e0e6d76f5b10e10f68bb7f5125b5c20e115830896a62fb4a70e4624fc17b8a6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QpVmSO4KEi1VSHMRxa+xEcrDdgEjhOVfrniqOxAB/y3DgxMENwyv/ZOIfVNYYzqhyX7PP1jrbzzrfxiG6bw1Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:51:27.084461Z","bundle_sha256":"fdacca83437e8949393c2177fb532862f50bced1da8f240e5840bd27954cb9ba"}}