{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:RXBGS62POGCI2DGT4IGUMSNI67","short_pith_number":"pith:RXBGS62P","schema_version":"1.0","canonical_sha256":"8dc2697b4f71848d0cd3e20d4649a8f7e30972334fba05caa96062f695f436ef","source":{"kind":"arxiv","id":"2410.07833","version":3},"attestation_state":"computed","paper":{"title":"Tuning the mechanical behaviour of additively manufactured metamaterials with twinning and meta-harmonics","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chu Lun Alex Leung, David McArthur, PJ Tan","submitted_at":"2024-10-10T11:51:35Z","abstract_excerpt":"Body-Centred Cubic (BCC) lattices with twinned meta-crystal architecture inspired by the strengthening of bulk metals have significantly improved mechanical performance; however, their deformation behaviour and underlying strengthening mechanisms remain unclear. Here, we reveal that twinning causes a transition from bending to stretch-dominated behaviour in BCC lattices, eliciting vast improvements in stiffness (+162%) and strength (+95%) without changing nodal connectivity. We designed meta-harmonic lattices by controlling a heterogenous distribution of twinned grain boundaries, inspired by b"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2410.07833","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-10-10T11:51:35Z","cross_cats_sorted":[],"title_canon_sha256":"8a491455120ac1cba3cd25bc37685c499e516f4030ecb079fa6e6ef738145969","abstract_canon_sha256":"34dc9d4d0e5f9b5ab8fb3d047d5bd868c8c6ccfef14d45fe63ac16202c6c03d5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:24:26.382570Z","signature_b64":"d9SyAYVb+vi3GBymFgVDlczS5an08PeY0axleD6z1NKpGoHoHb0J7Qui2YwilJffEIg/UYgfbaXibwhQZ7s6Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8dc2697b4f71848d0cd3e20d4649a8f7e30972334fba05caa96062f695f436ef","last_reissued_at":"2026-07-05T10:24:26.382054Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:24:26.382054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tuning the mechanical behaviour of additively manufactured metamaterials with twinning and meta-harmonics","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chu Lun Alex Leung, David McArthur, PJ Tan","submitted_at":"2024-10-10T11:51:35Z","abstract_excerpt":"Body-Centred Cubic (BCC) lattices with twinned meta-crystal architecture inspired by the strengthening of bulk metals have significantly improved mechanical performance; however, their deformation behaviour and underlying strengthening mechanisms remain unclear. Here, we reveal that twinning causes a transition from bending to stretch-dominated behaviour in BCC lattices, eliciting vast improvements in stiffness (+162%) and strength (+95%) without changing nodal connectivity. We designed meta-harmonic lattices by controlling a heterogenous distribution of twinned grain boundaries, inspired by b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.07833","kind":"arxiv","version":3},"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/2410.07833/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2410.07833","created_at":"2026-07-05T10:24:26.382108+00:00"},{"alias_kind":"arxiv_version","alias_value":"2410.07833v3","created_at":"2026-07-05T10:24:26.382108+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.07833","created_at":"2026-07-05T10:24:26.382108+00:00"},{"alias_kind":"pith_short_12","alias_value":"RXBGS62POGCI","created_at":"2026-07-05T10:24:26.382108+00:00"},{"alias_kind":"pith_short_16","alias_value":"RXBGS62POGCI2DGT","created_at":"2026-07-05T10:24:26.382108+00:00"},{"alias_kind":"pith_short_8","alias_value":"RXBGS62P","created_at":"2026-07-05T10:24:26.382108+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67","json":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67.json","graph_json":"https://pith.science/api/pith-number/RXBGS62POGCI2DGT4IGUMSNI67/graph.json","events_json":"https://pith.science/api/pith-number/RXBGS62POGCI2DGT4IGUMSNI67/events.json","paper":"https://pith.science/paper/RXBGS62P"},"agent_actions":{"view_html":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67","download_json":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67.json","view_paper":"https://pith.science/paper/RXBGS62P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2410.07833&json=true","fetch_graph":"https://pith.science/api/pith-number/RXBGS62POGCI2DGT4IGUMSNI67/graph.json","fetch_events":"https://pith.science/api/pith-number/RXBGS62POGCI2DGT4IGUMSNI67/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67/action/storage_attestation","attest_author":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67/action/author_attestation","sign_citation":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67/action/citation_signature","submit_replication":"https://pith.science/pith/RXBGS62POGCI2DGT4IGUMSNI67/action/replication_record"}},"created_at":"2026-07-05T10:24:26.382108+00:00","updated_at":"2026-07-05T10:24:26.382108+00:00"}