{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IXCORVXLLG6KHOU6NTI3RPHO2K","short_pith_number":"pith:IXCORVXL","canonical_record":{"source":{"id":"1506.08992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-30T08:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"52455d11f3d51a64f31f7457d33ccefbc3ab739c22f0de4e3cf948324e0297a5","abstract_canon_sha256":"252186f97950a2d537cbd9481b9e424c8cbbe1d9b48a533047320262aec9b78f"},"schema_version":"1.0"},"canonical_sha256":"45c4e8d6eb59bca3ba9e6cd1b8bceed2894f1af00ce3d0e121396bdd99c52db6","source":{"kind":"arxiv","id":"1506.08992","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08992","created_at":"2026-05-18T01:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08992v1","created_at":"2026-05-18T01:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08992","created_at":"2026-05-18T01:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"IXCORVXLLG6K","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"IXCORVXLLG6KHOU6","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"IXCORVXL","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IXCORVXLLG6KHOU6NTI3RPHO2K","target":"record","payload":{"canonical_record":{"source":{"id":"1506.08992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-30T08:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"52455d11f3d51a64f31f7457d33ccefbc3ab739c22f0de4e3cf948324e0297a5","abstract_canon_sha256":"252186f97950a2d537cbd9481b9e424c8cbbe1d9b48a533047320262aec9b78f"},"schema_version":"1.0"},"canonical_sha256":"45c4e8d6eb59bca3ba9e6cd1b8bceed2894f1af00ce3d0e121396bdd99c52db6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:33.929507Z","signature_b64":"XiXMfV+ew+joaE8L6vf804rVp0aMh0RFDCv9+7fDLmC/Rd4omBPy7frT6xqrUMMGloOUSuycpHInQPr2dpj/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45c4e8d6eb59bca3ba9e6cd1b8bceed2894f1af00ce3d0e121396bdd99c52db6","last_reissued_at":"2026-05-18T01:37:33.928972Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:33.928972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.08992","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":"2026-05-18T01:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tYhkZhm6B2ueX6Va2O3ZOZb0cBLBaB+BS7gWtAbTPXg8zGFIeH/6B3VuAo1hwdJrM30DBKhrVZNtNC2wRi6cCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:47:32.588151Z"},"content_sha256":"eaef19295b92cfe492863061e2759d31598d0e66cdf31735aebd95a11766f4a7","schema_version":"1.0","event_id":"sha256:eaef19295b92cfe492863061e2759d31598d0e66cdf31735aebd95a11766f4a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IXCORVXLLG6KHOU6NTI3RPHO2K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Crystal Templating with Mutually Miscible Solvents: A Simple Path to Hierarchical Porosity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christian Guizard, J\\'er\\^ome Leloup, Sylvain Deville","submitted_at":"2015-06-30T08:40:09Z","abstract_excerpt":"Ice templating, a route where ice crystals are used to template macroporosity, has been used to process a variety of materials with one level of macropores. We demonstrate here a variant of ice templating based on the solidification of mutually miscible solvents. The solidification of different phases, each defined by their own size and morphology, provides a simple one-step processing route for materials with hierarchical porosity defined by up to three levels of macroporosity. These concepts are demonstrated with both ceramic (yttria-stabilized zirconia) and polymer (polyvinyl alcohol) mater"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08992","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":"2026-05-18T01:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6zeWF+530DcmzAghUJskC2MXA+lpIDE/9QlMGPp8NwcKQyZpNZP1Wpjv8Ol5oLfVFxaENEbONY7aUnudbhhgDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:47:32.588783Z"},"content_sha256":"1b7ac6fd0aeb7524408a35b45dde9730307f802ee4f913343be21333a59ef5a0","schema_version":"1.0","event_id":"sha256:1b7ac6fd0aeb7524408a35b45dde9730307f802ee4f913343be21333a59ef5a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IXCORVXLLG6KHOU6NTI3RPHO2K/bundle.json","state_url":"https://pith.science/pith/IXCORVXLLG6KHOU6NTI3RPHO2K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IXCORVXLLG6KHOU6NTI3RPHO2K/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":"2026-06-05T22:47:32Z","links":{"resolver":"https://pith.science/pith/IXCORVXLLG6KHOU6NTI3RPHO2K","bundle":"https://pith.science/pith/IXCORVXLLG6KHOU6NTI3RPHO2K/bundle.json","state":"https://pith.science/pith/IXCORVXLLG6KHOU6NTI3RPHO2K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IXCORVXLLG6KHOU6NTI3RPHO2K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IXCORVXLLG6KHOU6NTI3RPHO2K","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":"252186f97950a2d537cbd9481b9e424c8cbbe1d9b48a533047320262aec9b78f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-30T08:40:09Z","title_canon_sha256":"52455d11f3d51a64f31f7457d33ccefbc3ab739c22f0de4e3cf948324e0297a5"},"schema_version":"1.0","source":{"id":"1506.08992","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08992","created_at":"2026-05-18T01:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08992v1","created_at":"2026-05-18T01:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08992","created_at":"2026-05-18T01:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"IXCORVXLLG6K","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"IXCORVXLLG6KHOU6","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"IXCORVXL","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:1b7ac6fd0aeb7524408a35b45dde9730307f802ee4f913343be21333a59ef5a0","target":"graph","created_at":"2026-05-18T01:37:33Z","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, a route where ice crystals are used to template macroporosity, has been used to process a variety of materials with one level of macropores. We demonstrate here a variant of ice templating based on the solidification of mutually miscible solvents. The solidification of different phases, each defined by their own size and morphology, provides a simple one-step processing route for materials with hierarchical porosity defined by up to three levels of macroporosity. These concepts are demonstrated with both ceramic (yttria-stabilized zirconia) and polymer (polyvinyl alcohol) mater","authors_text":"Christian Guizard, J\\'er\\^ome Leloup, Sylvain Deville","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-30T08:40:09Z","title":"Crystal Templating with Mutually Miscible Solvents: A Simple Path to Hierarchical Porosity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08992","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:eaef19295b92cfe492863061e2759d31598d0e66cdf31735aebd95a11766f4a7","target":"record","created_at":"2026-05-18T01:37:33Z","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":"252186f97950a2d537cbd9481b9e424c8cbbe1d9b48a533047320262aec9b78f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-30T08:40:09Z","title_canon_sha256":"52455d11f3d51a64f31f7457d33ccefbc3ab739c22f0de4e3cf948324e0297a5"},"schema_version":"1.0","source":{"id":"1506.08992","kind":"arxiv","version":1}},"canonical_sha256":"45c4e8d6eb59bca3ba9e6cd1b8bceed2894f1af00ce3d0e121396bdd99c52db6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45c4e8d6eb59bca3ba9e6cd1b8bceed2894f1af00ce3d0e121396bdd99c52db6","first_computed_at":"2026-05-18T01:37:33.928972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:33.928972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XiXMfV+ew+joaE8L6vf804rVp0aMh0RFDCv9+7fDLmC/Rd4omBPy7frT6xqrUMMGloOUSuycpHInQPr2dpj/AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:33.929507Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.08992","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eaef19295b92cfe492863061e2759d31598d0e66cdf31735aebd95a11766f4a7","sha256:1b7ac6fd0aeb7524408a35b45dde9730307f802ee4f913343be21333a59ef5a0"],"state_sha256":"2d038e14f5d25200bc9fd98265a8bd57246da732e835494a2a300345e53e7738"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3aa0HjGNZf0b6KA44sBuluceNyoGF7+gBiL460GVhLurxdaxeSdiVd6RNWZ0HF4Y38j0BymV3qMUHAkTBs4MCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T22:47:32.592232Z","bundle_sha256":"0ebcc10cacbc657e06d4a5de02eded726cab835ed11bb125118af8f1702e41e0"}}