{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7VGUB5CWDPZJ4QDF55UJU2UEAH","short_pith_number":"pith:7VGUB5CW","canonical_record":{"source":{"id":"2404.08657","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-25T09:30:19Z","cross_cats_sorted":["cond-mat.soft","cs.LG"],"title_canon_sha256":"4e6bd9d215b44a89a53aa8c088768da23eb69e2f2e7d8effbe8e860cae939c8d","abstract_canon_sha256":"0f02409fa24d661e0d55a85433e0e70cd092ba482c11689f96484750dfe015da"},"schema_version":"1.0"},"canonical_sha256":"fd4d40f4561bf29e4065ef689a6a8401d2c189c7ee0b348c7b0fb94d668d322a","source":{"kind":"arxiv","id":"2404.08657","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08657","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08657v1","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08657","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"pith_short_12","alias_value":"7VGUB5CWDPZJ","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"pith_short_16","alias_value":"7VGUB5CWDPZJ4QDF","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"pith_short_8","alias_value":"7VGUB5CW","created_at":"2026-07-05T08:07:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7VGUB5CWDPZJ4QDF55UJU2UEAH","target":"record","payload":{"canonical_record":{"source":{"id":"2404.08657","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-25T09:30:19Z","cross_cats_sorted":["cond-mat.soft","cs.LG"],"title_canon_sha256":"4e6bd9d215b44a89a53aa8c088768da23eb69e2f2e7d8effbe8e860cae939c8d","abstract_canon_sha256":"0f02409fa24d661e0d55a85433e0e70cd092ba482c11689f96484750dfe015da"},"schema_version":"1.0"},"canonical_sha256":"fd4d40f4561bf29e4065ef689a6a8401d2c189c7ee0b348c7b0fb94d668d322a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:37.671911Z","signature_b64":"DIDen2NuMpDjMsmIit7l75IASjWoMpKxRAyopNliF2rNIfxn8V4CGvCtURZ8zXyPJP8rOmym74I2XPCw56o/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd4d40f4561bf29e4065ef689a6a8401d2c189c7ee0b348c7b0fb94d668d322a","last_reissued_at":"2026-07-05T08:07:37.671452Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:37.671452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.08657","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":"2026-07-05T08:07:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3xNOHJLvZagMou74qpD16kjF74e7Oq0AdbhekuQxhmIlY44145dB6DnaXX+Q+9XFCU2g5BqKr3kc393dki2fCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T16:26:19.727702Z"},"content_sha256":"ebc050c1e0737b35de3ccfc6f0db12365f5b565e35c4a27bce477f0df59e04b4","schema_version":"1.0","event_id":"sha256:ebc050c1e0737b35de3ccfc6f0db12365f5b565e35c4a27bce477f0df59e04b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7VGUB5CWDPZJ4QDF55UJU2UEAH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advancing Extrapolative Predictions of Material Properties through Learning to Learn","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.soft","cs.LG"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Araki Wakiuchi, Kohei Noda, Ryo Yoshida, Yoshihiro Hayashi","submitted_at":"2024-03-25T09:30:19Z","abstract_excerpt":"Recent advancements in machine learning have showcased its potential to significantly accelerate the discovery of new materials. Central to this progress is the development of rapidly computable property predictors, enabling the identification of novel materials with desired properties from vast material spaces. However, the limited availability of data resources poses a significant challenge in data-driven materials research, particularly hindering the exploration of innovative materials beyond the boundaries of existing data. While machine learning predictors are inherently interpolative, es"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08657","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/2404.08657/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":"2026-07-05T08:07:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KflKvXoN/MXffAUTIbAFEJfR9KmPT171huAkH0W8OSGyl3VBYVPmbkkFMBNQDcrnr1mMIO+qH/sTxgYq4jllAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T16:26:19.728082Z"},"content_sha256":"3cff7075d11d42579dca4948c6dc039bc4bcc103bab65788457cbc012a6be570","schema_version":"1.0","event_id":"sha256:3cff7075d11d42579dca4948c6dc039bc4bcc103bab65788457cbc012a6be570"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7VGUB5CWDPZJ4QDF55UJU2UEAH/bundle.json","state_url":"https://pith.science/pith/7VGUB5CWDPZJ4QDF55UJU2UEAH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7VGUB5CWDPZJ4QDF55UJU2UEAH/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":"2026-07-08T16:26:19Z","links":{"resolver":"https://pith.science/pith/7VGUB5CWDPZJ4QDF55UJU2UEAH","bundle":"https://pith.science/pith/7VGUB5CWDPZJ4QDF55UJU2UEAH/bundle.json","state":"https://pith.science/pith/7VGUB5CWDPZJ4QDF55UJU2UEAH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7VGUB5CWDPZJ4QDF55UJU2UEAH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7VGUB5CWDPZJ4QDF55UJU2UEAH","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":"0f02409fa24d661e0d55a85433e0e70cd092ba482c11689f96484750dfe015da","cross_cats_sorted":["cond-mat.soft","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-25T09:30:19Z","title_canon_sha256":"4e6bd9d215b44a89a53aa8c088768da23eb69e2f2e7d8effbe8e860cae939c8d"},"schema_version":"1.0","source":{"id":"2404.08657","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08657","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08657v1","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08657","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"pith_short_12","alias_value":"7VGUB5CWDPZJ","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"pith_short_16","alias_value":"7VGUB5CWDPZJ4QDF","created_at":"2026-07-05T08:07:37Z"},{"alias_kind":"pith_short_8","alias_value":"7VGUB5CW","created_at":"2026-07-05T08:07:37Z"}],"graph_snapshots":[{"event_id":"sha256:3cff7075d11d42579dca4948c6dc039bc4bcc103bab65788457cbc012a6be570","target":"graph","created_at":"2026-07-05T08:07:37Z","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/2404.08657/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent advancements in machine learning have showcased its potential to significantly accelerate the discovery of new materials. Central to this progress is the development of rapidly computable property predictors, enabling the identification of novel materials with desired properties from vast material spaces. However, the limited availability of data resources poses a significant challenge in data-driven materials research, particularly hindering the exploration of innovative materials beyond the boundaries of existing data. While machine learning predictors are inherently interpolative, es","authors_text":"Araki Wakiuchi, Kohei Noda, Ryo Yoshida, Yoshihiro Hayashi","cross_cats":["cond-mat.soft","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-25T09:30:19Z","title":"Advancing Extrapolative Predictions of Material Properties through Learning to Learn"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08657","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:ebc050c1e0737b35de3ccfc6f0db12365f5b565e35c4a27bce477f0df59e04b4","target":"record","created_at":"2026-07-05T08:07:37Z","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":"0f02409fa24d661e0d55a85433e0e70cd092ba482c11689f96484750dfe015da","cross_cats_sorted":["cond-mat.soft","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-25T09:30:19Z","title_canon_sha256":"4e6bd9d215b44a89a53aa8c088768da23eb69e2f2e7d8effbe8e860cae939c8d"},"schema_version":"1.0","source":{"id":"2404.08657","kind":"arxiv","version":1}},"canonical_sha256":"fd4d40f4561bf29e4065ef689a6a8401d2c189c7ee0b348c7b0fb94d668d322a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd4d40f4561bf29e4065ef689a6a8401d2c189c7ee0b348c7b0fb94d668d322a","first_computed_at":"2026-07-05T08:07:37.671452Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:07:37.671452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DIDen2NuMpDjMsmIit7l75IASjWoMpKxRAyopNliF2rNIfxn8V4CGvCtURZ8zXyPJP8rOmym74I2XPCw56o/DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:07:37.671911Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.08657","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebc050c1e0737b35de3ccfc6f0db12365f5b565e35c4a27bce477f0df59e04b4","sha256:3cff7075d11d42579dca4948c6dc039bc4bcc103bab65788457cbc012a6be570"],"state_sha256":"d3993953e2e53735b3190bb48d13aa0aba89b638812b63970a135328debf14fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CwqrbHaxhMa2Q+OLS5xCu+k0O0UlSN48hGlrN9eeXaExnDSCXo0tEoA7Glg8BA8eicO7lbcHUrENWjU1wguZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T16:26:19.730333Z","bundle_sha256":"e6369c6046962f82e4e71a88c9be8600b9e11870a337b84c6384110b09717812"}}