{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:X6THJ6WBLV7Q5VCDGLKBP4GYSG","short_pith_number":"pith:X6THJ6WB","canonical_record":{"source":{"id":"1505.03994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-05-15T09:11:29Z","cross_cats_sorted":[],"title_canon_sha256":"d429b825a3a30e2fa0bfb7b01a50078b6ff5780ee6ba5e4ac2e6662b7519f790","abstract_canon_sha256":"b8a59b4bbb18d76a3d5fbf5e16387fcc80eed0fbfe86fed93000bec2ca0d919b"},"schema_version":"1.0"},"canonical_sha256":"bfa674fac15d7f0ed44332d417f0d8918571d68e6a4073e1d21d7ce14e6495c5","source":{"kind":"arxiv","id":"1505.03994","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.03994","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"arxiv_version","alias_value":"1505.03994v1","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03994","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"pith_short_12","alias_value":"X6THJ6WBLV7Q","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"X6THJ6WBLV7Q5VCD","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"X6THJ6WB","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:X6THJ6WBLV7Q5VCDGLKBP4GYSG","target":"record","payload":{"canonical_record":{"source":{"id":"1505.03994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-05-15T09:11:29Z","cross_cats_sorted":[],"title_canon_sha256":"d429b825a3a30e2fa0bfb7b01a50078b6ff5780ee6ba5e4ac2e6662b7519f790","abstract_canon_sha256":"b8a59b4bbb18d76a3d5fbf5e16387fcc80eed0fbfe86fed93000bec2ca0d919b"},"schema_version":"1.0"},"canonical_sha256":"bfa674fac15d7f0ed44332d417f0d8918571d68e6a4073e1d21d7ce14e6495c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:43.260865Z","signature_b64":"yyX0Y8N/ecfDw3XRnsINbIO+DX0LF1BHW012+twqqdUSMHT5Hc7z03VM2E8rK+vqKf/oA5K/oqJfSbCWdxGaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfa674fac15d7f0ed44332d417f0d8918571d68e6a4073e1d21d7ce14e6495c5","last_reissued_at":"2026-05-18T01:33:43.260333Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:43.260333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.03994","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":"2026-05-18T01:33:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8mnzXBXtu4aYXZBk8Ill2vfwwRyoxnIU/LV+EGt1so1ZAXYex7y/eIF63iY/LL7K9Ov5+AVKjcUufV1WznHSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T08:08:03.858463Z"},"content_sha256":"90812394cf8a40939e2f1ee8c31f6eb9c61922a2eeceb51843625102b8635013","schema_version":"1.0","event_id":"sha256:90812394cf8a40939e2f1ee8c31f6eb9c61922a2eeceb51843625102b8635013"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:X6THJ6WBLV7Q5VCDGLKBP4GYSG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First-principles interatomic potentials for ten elemental metals via compressed sensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Akira Takahashi, Atsuto Seko, Isao Tanaka","submitted_at":"2015-05-15T09:11:29Z","abstract_excerpt":"Interatomic potentials have been widely used in atomistic simulations such as molecular dynamics. Recently, frameworks to construct accurate interatomic potentials that combine a systematic set of density functional theory (DFT) calculations with machine learning techniques have been proposed. One of these methods is to use compressed sensing to derive a sparse representation for the interatomic potential. This facilitates the control of the accuracy of interatomic potentials. In this study, we demonstrate the applicability of compressed sensing to deriving the interatomic potential of ten ele"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03994","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":"2026-05-18T01:33:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jMt8+7v0Lfll9ANSCPfTcgT7j1u52TlX7B2TjOmWhAvbZx6GWMChCg9jcKUILc1liixbZlx+Gr5lKOwckCu/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T08:08:03.858812Z"},"content_sha256":"805726265eabfd8326428dab91801b550f7eba5e76230b65b16423e5d3cca5f2","schema_version":"1.0","event_id":"sha256:805726265eabfd8326428dab91801b550f7eba5e76230b65b16423e5d3cca5f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X6THJ6WBLV7Q5VCDGLKBP4GYSG/bundle.json","state_url":"https://pith.science/pith/X6THJ6WBLV7Q5VCDGLKBP4GYSG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X6THJ6WBLV7Q5VCDGLKBP4GYSG/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":"2026-05-22T08:08:03Z","links":{"resolver":"https://pith.science/pith/X6THJ6WBLV7Q5VCDGLKBP4GYSG","bundle":"https://pith.science/pith/X6THJ6WBLV7Q5VCDGLKBP4GYSG/bundle.json","state":"https://pith.science/pith/X6THJ6WBLV7Q5VCDGLKBP4GYSG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X6THJ6WBLV7Q5VCDGLKBP4GYSG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:X6THJ6WBLV7Q5VCDGLKBP4GYSG","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":"b8a59b4bbb18d76a3d5fbf5e16387fcc80eed0fbfe86fed93000bec2ca0d919b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-05-15T09:11:29Z","title_canon_sha256":"d429b825a3a30e2fa0bfb7b01a50078b6ff5780ee6ba5e4ac2e6662b7519f790"},"schema_version":"1.0","source":{"id":"1505.03994","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.03994","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"arxiv_version","alias_value":"1505.03994v1","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03994","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"pith_short_12","alias_value":"X6THJ6WBLV7Q","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"X6THJ6WBLV7Q5VCD","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"X6THJ6WB","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:805726265eabfd8326428dab91801b550f7eba5e76230b65b16423e5d3cca5f2","target":"graph","created_at":"2026-05-18T01:33:43Z","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":"Interatomic potentials have been widely used in atomistic simulations such as molecular dynamics. Recently, frameworks to construct accurate interatomic potentials that combine a systematic set of density functional theory (DFT) calculations with machine learning techniques have been proposed. One of these methods is to use compressed sensing to derive a sparse representation for the interatomic potential. This facilitates the control of the accuracy of interatomic potentials. In this study, we demonstrate the applicability of compressed sensing to deriving the interatomic potential of ten ele","authors_text":"Akira Takahashi, Atsuto Seko, Isao Tanaka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-05-15T09:11:29Z","title":"First-principles interatomic potentials for ten elemental metals via compressed sensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03994","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":"sha256:90812394cf8a40939e2f1ee8c31f6eb9c61922a2eeceb51843625102b8635013","target":"record","created_at":"2026-05-18T01:33:43Z","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":"b8a59b4bbb18d76a3d5fbf5e16387fcc80eed0fbfe86fed93000bec2ca0d919b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-05-15T09:11:29Z","title_canon_sha256":"d429b825a3a30e2fa0bfb7b01a50078b6ff5780ee6ba5e4ac2e6662b7519f790"},"schema_version":"1.0","source":{"id":"1505.03994","kind":"arxiv","version":1}},"canonical_sha256":"bfa674fac15d7f0ed44332d417f0d8918571d68e6a4073e1d21d7ce14e6495c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bfa674fac15d7f0ed44332d417f0d8918571d68e6a4073e1d21d7ce14e6495c5","first_computed_at":"2026-05-18T01:33:43.260333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:43.260333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yyX0Y8N/ecfDw3XRnsINbIO+DX0LF1BHW012+twqqdUSMHT5Hc7z03VM2E8rK+vqKf/oA5K/oqJfSbCWdxGaDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:43.260865Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.03994","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90812394cf8a40939e2f1ee8c31f6eb9c61922a2eeceb51843625102b8635013","sha256:805726265eabfd8326428dab91801b550f7eba5e76230b65b16423e5d3cca5f2"],"state_sha256":"0891ca0c0fa78406c77bf5360db67c9915138787f4f3d77e418a4a3ea1bb13a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NRRBAqZJGgfKOaog8F7MGMoIOnbp6Y7KezU0J/T4+fMZUekXSp1jdTW2EJzA4TrLCSoK7NkoW97siUMKxHMOCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T08:08:03.861555Z","bundle_sha256":"7c8771971666dc1851ec6dd10bec82963489d84441324f8b2ee3fc846b88d7f0"}}