{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:TI2V3WWMVFWTA3IYCGEZHITFSH","short_pith_number":"pith:TI2V3WWM","schema_version":"1.0","canonical_sha256":"9a355ddacca96d306d18118993a26591f8502d96b8c5673a4fc4da0b02a2505b","source":{"kind":"arxiv","id":"1804.01141","version":1},"attestation_state":"computed","paper":{"title":"Artificial Bone and Teeth through Controlled Ice Growth in Colloidal Suspensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.bio-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Antoni P. Tomsia, Eduardo Saiz, Sylvain Deville","submitted_at":"2018-03-30T14:15:27Z","abstract_excerpt":"The formation of regular patterns is a common feature of many solidification processes involving cast materials. We describe here how regular patterns can be obtained in porous alumina and hydroxyapatite (HAP) by controlling the freezing of ceramic slurries followed by subsequent ice sublimation and sintering, leading to multilayered porous ceramic structures with homogeneous and well-defined architecture. These porous materials can be infiltrated with a second phase of choice to yield biomimetic nacre-like composites with improved mechanical properties, which could be used for artificial bone"},"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":"1804.01141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-30T14:15:27Z","cross_cats_sorted":["physics.app-ph","physics.bio-ph"],"title_canon_sha256":"33e05c8239e70aced205f1716c877253000d4a7decf6050e28815c9d84cb0e6c","abstract_canon_sha256":"eac03eb9e216b6a2b2998eeb3ed6f18e8b13c6abdb6cc50b28d521331bded6ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:15.984569Z","signature_b64":"Fe6CJa9HfPxN2duOPbNVohe3vuLKXZ3qCjEEUFkKkp2y/swE36PYeyrQQ3hyjbGzRRhyhL2yRpKB8VNgqRlDCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a355ddacca96d306d18118993a26591f8502d96b8c5673a4fc4da0b02a2505b","last_reissued_at":"2026-05-18T00:19:15.983986Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:15.983986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Artificial Bone and Teeth through Controlled Ice Growth in Colloidal Suspensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.bio-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Antoni P. Tomsia, Eduardo Saiz, Sylvain Deville","submitted_at":"2018-03-30T14:15:27Z","abstract_excerpt":"The formation of regular patterns is a common feature of many solidification processes involving cast materials. We describe here how regular patterns can be obtained in porous alumina and hydroxyapatite (HAP) by controlling the freezing of ceramic slurries followed by subsequent ice sublimation and sintering, leading to multilayered porous ceramic structures with homogeneous and well-defined architecture. These porous materials can be infiltrated with a second phase of choice to yield biomimetic nacre-like composites with improved mechanical properties, which could be used for artificial bone"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01141","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1804.01141","created_at":"2026-05-18T00:19:15.984080+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.01141v1","created_at":"2026-05-18T00:19:15.984080+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01141","created_at":"2026-05-18T00:19:15.984080+00:00"},{"alias_kind":"pith_short_12","alias_value":"TI2V3WWMVFWT","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_16","alias_value":"TI2V3WWMVFWTA3IY","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_8","alias_value":"TI2V3WWM","created_at":"2026-05-18T12:32:53.628368+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/TI2V3WWMVFWTA3IYCGEZHITFSH","json":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH.json","graph_json":"https://pith.science/api/pith-number/TI2V3WWMVFWTA3IYCGEZHITFSH/graph.json","events_json":"https://pith.science/api/pith-number/TI2V3WWMVFWTA3IYCGEZHITFSH/events.json","paper":"https://pith.science/paper/TI2V3WWM"},"agent_actions":{"view_html":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH","download_json":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH.json","view_paper":"https://pith.science/paper/TI2V3WWM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.01141&json=true","fetch_graph":"https://pith.science/api/pith-number/TI2V3WWMVFWTA3IYCGEZHITFSH/graph.json","fetch_events":"https://pith.science/api/pith-number/TI2V3WWMVFWTA3IYCGEZHITFSH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH/action/storage_attestation","attest_author":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH/action/author_attestation","sign_citation":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH/action/citation_signature","submit_replication":"https://pith.science/pith/TI2V3WWMVFWTA3IYCGEZHITFSH/action/replication_record"}},"created_at":"2026-05-18T00:19:15.984080+00:00","updated_at":"2026-05-18T00:19:15.984080+00:00"}