{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GHW7TKET7KPUHQFZBBLYGZQGCH","short_pith_number":"pith:GHW7TKET","canonical_record":{"source":{"id":"1804.00046","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-29T08:35:22Z","cross_cats_sorted":[],"title_canon_sha256":"610a4fb6a2541fb874ca73df95d50e49714175aa5dc7e731f9b0bea8540c06bd","abstract_canon_sha256":"4195af048c47f7cfec1c3088db7244cec5e053a48de1b798f00a3aadda4df44f"},"schema_version":"1.0"},"canonical_sha256":"31edf9a893fa9f43c0b9085783660611f67087afe7a9138d232933ea53aa4e31","source":{"kind":"arxiv","id":"1804.00046","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.00046","created_at":"2026-05-18T00:19:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.00046v1","created_at":"2026-05-18T00:19:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.00046","created_at":"2026-05-18T00:19:40Z"},{"alias_kind":"pith_short_12","alias_value":"GHW7TKET7KPU","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GHW7TKET7KPUHQFZ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GHW7TKET","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GHW7TKET7KPUHQFZBBLYGZQGCH","target":"record","payload":{"canonical_record":{"source":{"id":"1804.00046","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-29T08:35:22Z","cross_cats_sorted":[],"title_canon_sha256":"610a4fb6a2541fb874ca73df95d50e49714175aa5dc7e731f9b0bea8540c06bd","abstract_canon_sha256":"4195af048c47f7cfec1c3088db7244cec5e053a48de1b798f00a3aadda4df44f"},"schema_version":"1.0"},"canonical_sha256":"31edf9a893fa9f43c0b9085783660611f67087afe7a9138d232933ea53aa4e31","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:40.696968Z","signature_b64":"VFRXQ1JDNAcNbJvgCMm5y6SEHK+MYaNTZqJ7xrwl3HWu/dkUwQcbagzlpKmycvV6VgocTWd0XnAqhU6I7remAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31edf9a893fa9f43c0b9085783660611f67087afe7a9138d232933ea53aa4e31","last_reissued_at":"2026-05-18T00:19:40.696256Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:40.696256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.00046","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":"2026-05-18T00:19:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kOrxXSF32p/Yj75Arvvi+dQ1BxC6rTrwt+J8dBYQM6W+CFLoJFNZADF1SLRIfiVOPaQEEfTpgkPdf8DcwQdcAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T03:42:07.543155Z"},"content_sha256":"21c817e020fa191873dc8599c1a1e081fb92c6f19c5d402aea98d60bf9519e8d","schema_version":"1.0","event_id":"sha256:21c817e020fa191873dc8599c1a1e081fb92c6f19c5d402aea98d60bf9519e8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GHW7TKET7KPUHQFZBBLYGZQGCH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of the freezing front during the solidification of a colloidal alumina aqueous suspension: in situ X-ray radiography, tomography and modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrea Bareggi, Audrey Lasalle, Eric Maire, Sylvain Deville","submitted_at":"2018-03-29T08:35:22Z","abstract_excerpt":"Ice templating of colloidal suspension is gaining interest in material science because it offers the possibility to shape advanced materials, and in particular porous ceramics. Recent investigations on this peculiar process show that a correlation between the morphology of the frozen suspension and the velocity of the freezing front do exist. The dynamics of the freezing front of a colloidal suspension of alumina is investigated in the present study by experimental tests, finite element numerical analysis and theoretical analytical calculations. The experimental tests are carried out by in sit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.00046","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":"2026-05-18T00:19:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m8QcmBh+kH/6bSOew5NrurZ7GsZoJ6UXwX7IjRadzBKwz4c99L8DdOUL4655bycZXspsavI7xc0hC3RmDCIHBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T03:42:07.543528Z"},"content_sha256":"5b1a248b3626e58109212a147b592d27ece4fc0baa34b9a702344acc2cf15f82","schema_version":"1.0","event_id":"sha256:5b1a248b3626e58109212a147b592d27ece4fc0baa34b9a702344acc2cf15f82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GHW7TKET7KPUHQFZBBLYGZQGCH/bundle.json","state_url":"https://pith.science/pith/GHW7TKET7KPUHQFZBBLYGZQGCH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GHW7TKET7KPUHQFZBBLYGZQGCH/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":"2026-06-22T03:42:07Z","links":{"resolver":"https://pith.science/pith/GHW7TKET7KPUHQFZBBLYGZQGCH","bundle":"https://pith.science/pith/GHW7TKET7KPUHQFZBBLYGZQGCH/bundle.json","state":"https://pith.science/pith/GHW7TKET7KPUHQFZBBLYGZQGCH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GHW7TKET7KPUHQFZBBLYGZQGCH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GHW7TKET7KPUHQFZBBLYGZQGCH","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":"4195af048c47f7cfec1c3088db7244cec5e053a48de1b798f00a3aadda4df44f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-29T08:35:22Z","title_canon_sha256":"610a4fb6a2541fb874ca73df95d50e49714175aa5dc7e731f9b0bea8540c06bd"},"schema_version":"1.0","source":{"id":"1804.00046","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.00046","created_at":"2026-05-18T00:19:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.00046v1","created_at":"2026-05-18T00:19:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.00046","created_at":"2026-05-18T00:19:40Z"},{"alias_kind":"pith_short_12","alias_value":"GHW7TKET7KPU","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GHW7TKET7KPUHQFZ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GHW7TKET","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:5b1a248b3626e58109212a147b592d27ece4fc0baa34b9a702344acc2cf15f82","target":"graph","created_at":"2026-05-18T00:19:40Z","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":"Ice templating of colloidal suspension is gaining interest in material science because it offers the possibility to shape advanced materials, and in particular porous ceramics. Recent investigations on this peculiar process show that a correlation between the morphology of the frozen suspension and the velocity of the freezing front do exist. The dynamics of the freezing front of a colloidal suspension of alumina is investigated in the present study by experimental tests, finite element numerical analysis and theoretical analytical calculations. The experimental tests are carried out by in sit","authors_text":"Andrea Bareggi, Audrey Lasalle, Eric Maire, Sylvain Deville","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-29T08:35:22Z","title":"Dynamics of the freezing front during the solidification of a colloidal alumina aqueous suspension: in situ X-ray radiography, tomography and modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.00046","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":"sha256:21c817e020fa191873dc8599c1a1e081fb92c6f19c5d402aea98d60bf9519e8d","target":"record","created_at":"2026-05-18T00:19:40Z","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":"4195af048c47f7cfec1c3088db7244cec5e053a48de1b798f00a3aadda4df44f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-29T08:35:22Z","title_canon_sha256":"610a4fb6a2541fb874ca73df95d50e49714175aa5dc7e731f9b0bea8540c06bd"},"schema_version":"1.0","source":{"id":"1804.00046","kind":"arxiv","version":1}},"canonical_sha256":"31edf9a893fa9f43c0b9085783660611f67087afe7a9138d232933ea53aa4e31","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31edf9a893fa9f43c0b9085783660611f67087afe7a9138d232933ea53aa4e31","first_computed_at":"2026-05-18T00:19:40.696256Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:40.696256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VFRXQ1JDNAcNbJvgCMm5y6SEHK+MYaNTZqJ7xrwl3HWu/dkUwQcbagzlpKmycvV6VgocTWd0XnAqhU6I7remAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:40.696968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.00046","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21c817e020fa191873dc8599c1a1e081fb92c6f19c5d402aea98d60bf9519e8d","sha256:5b1a248b3626e58109212a147b592d27ece4fc0baa34b9a702344acc2cf15f82"],"state_sha256":"a48f3489d902e6c5aed80d9a7e798c47db1c9b839d4c350110536b6093ac7254"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eJ5AGyxYPVEMHmH7TCsT/94i/JmFCTAIdzujBv9TrAO/MeqwYVvCLibU+uezHDE38dDNM2Rg9H+DFaAZiGStAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T03:42:07.545598Z","bundle_sha256":"e0c8c0ca342c222fec7d61a2d7c4b6f86c2c03db6c4bdb740a6c0801f7621396"}}