{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:J2HGP3ELZIZH4HT3YZMPDZLJYF","short_pith_number":"pith:J2HGP3EL","canonical_record":{"source":{"id":"1810.01506","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-30T22:25:34Z","cross_cats_sorted":[],"title_canon_sha256":"faa7c6d2bb82a14c13687c9654b3110d219c5d4997ddb87ebc026bd69066f407","abstract_canon_sha256":"da6a686339a640f6f81114a43333d12b8737c69e86386a08ec1b158e0b63264a"},"schema_version":"1.0"},"canonical_sha256":"4e8e67ec8bca327e1e7bc658f1e569c16697f89573d1778671e7fb3c0da789f5","source":{"kind":"arxiv","id":"1810.01506","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01506","created_at":"2026-05-18T00:04:11Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01506v1","created_at":"2026-05-18T00:04:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01506","created_at":"2026-05-18T00:04:11Z"},{"alias_kind":"pith_short_12","alias_value":"J2HGP3ELZIZH","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2HGP3ELZIZH4HT3","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2HGP3EL","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:J2HGP3ELZIZH4HT3YZMPDZLJYF","target":"record","payload":{"canonical_record":{"source":{"id":"1810.01506","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-30T22:25:34Z","cross_cats_sorted":[],"title_canon_sha256":"faa7c6d2bb82a14c13687c9654b3110d219c5d4997ddb87ebc026bd69066f407","abstract_canon_sha256":"da6a686339a640f6f81114a43333d12b8737c69e86386a08ec1b158e0b63264a"},"schema_version":"1.0"},"canonical_sha256":"4e8e67ec8bca327e1e7bc658f1e569c16697f89573d1778671e7fb3c0da789f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:11.940876Z","signature_b64":"rd5aXMOJgarUKUEu5KQ99dQONltzoblHJbFTAVfogKDJ45hFmzxzllYjG7rgRmjfD+oLiRlUolHBXIcVJxX3DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e8e67ec8bca327e1e7bc658f1e569c16697f89573d1778671e7fb3c0da789f5","last_reissued_at":"2026-05-18T00:04:11.940160Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:11.940160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.01506","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":"2026-05-18T00:04:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u60ael4u6rEzs0WEQ8PgD7ab1WLLS4qNQxpFaBq2jplcfQaQEY07YgHWZ5hWSxOuyXNBCeFm7/0wtvC6c4h7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:37:53.954594Z"},"content_sha256":"4c8015fd7330ec3c04aef475595d457ff5c514ba269637a4ab7f76d816ed05b2","schema_version":"1.0","event_id":"sha256:4c8015fd7330ec3c04aef475595d457ff5c514ba269637a4ab7f76d816ed05b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:J2HGP3ELZIZH4HT3YZMPDZLJYF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stable covalently photo-cross-linked poly(ionic liquid) membrane with gradient pore size","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alessandro Dani, Helmut Schlaad, Jiayin Yuan, Karoline T\\\"auber, Weiyi Zhang","submitted_at":"2018-09-30T22:25:34Z","abstract_excerpt":"An imidazolium-based poly(ionic liquid) is covalently cross-linked via UV light-induced thiolene (click) chemistry to yield a stable porous polyelectrolyte membrane with gradients of crosslink density and pore size distribution along its cross-section."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01506","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":"2026-05-18T00:04:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W0+Sc/LatAZxe6+16hyERzpmiCSZudVvSXkouLeHAbqg6mNwFDGSLeZG2d+iFIOqFJKf9kaJASi0SulCDpqcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:37:53.955273Z"},"content_sha256":"abcdf56ddee7d56fc5769bf9c9f6977a55c0fd633c8fac3a4bd31f9c4e84c7ff","schema_version":"1.0","event_id":"sha256:abcdf56ddee7d56fc5769bf9c9f6977a55c0fd633c8fac3a4bd31f9c4e84c7ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J2HGP3ELZIZH4HT3YZMPDZLJYF/bundle.json","state_url":"https://pith.science/pith/J2HGP3ELZIZH4HT3YZMPDZLJYF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J2HGP3ELZIZH4HT3YZMPDZLJYF/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":"2026-05-26T14:37:53Z","links":{"resolver":"https://pith.science/pith/J2HGP3ELZIZH4HT3YZMPDZLJYF","bundle":"https://pith.science/pith/J2HGP3ELZIZH4HT3YZMPDZLJYF/bundle.json","state":"https://pith.science/pith/J2HGP3ELZIZH4HT3YZMPDZLJYF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J2HGP3ELZIZH4HT3YZMPDZLJYF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:J2HGP3ELZIZH4HT3YZMPDZLJYF","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":"da6a686339a640f6f81114a43333d12b8737c69e86386a08ec1b158e0b63264a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-30T22:25:34Z","title_canon_sha256":"faa7c6d2bb82a14c13687c9654b3110d219c5d4997ddb87ebc026bd69066f407"},"schema_version":"1.0","source":{"id":"1810.01506","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01506","created_at":"2026-05-18T00:04:11Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01506v1","created_at":"2026-05-18T00:04:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01506","created_at":"2026-05-18T00:04:11Z"},{"alias_kind":"pith_short_12","alias_value":"J2HGP3ELZIZH","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2HGP3ELZIZH4HT3","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2HGP3EL","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:abcdf56ddee7d56fc5769bf9c9f6977a55c0fd633c8fac3a4bd31f9c4e84c7ff","target":"graph","created_at":"2026-05-18T00:04:11Z","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":"An imidazolium-based poly(ionic liquid) is covalently cross-linked via UV light-induced thiolene (click) chemistry to yield a stable porous polyelectrolyte membrane with gradients of crosslink density and pore size distribution along its cross-section.","authors_text":"Alessandro Dani, Helmut Schlaad, Jiayin Yuan, Karoline T\\\"auber, Weiyi Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-30T22:25:34Z","title":"Stable covalently photo-cross-linked poly(ionic liquid) membrane with gradient pore size"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01506","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":"sha256:4c8015fd7330ec3c04aef475595d457ff5c514ba269637a4ab7f76d816ed05b2","target":"record","created_at":"2026-05-18T00:04:11Z","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":"da6a686339a640f6f81114a43333d12b8737c69e86386a08ec1b158e0b63264a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-30T22:25:34Z","title_canon_sha256":"faa7c6d2bb82a14c13687c9654b3110d219c5d4997ddb87ebc026bd69066f407"},"schema_version":"1.0","source":{"id":"1810.01506","kind":"arxiv","version":1}},"canonical_sha256":"4e8e67ec8bca327e1e7bc658f1e569c16697f89573d1778671e7fb3c0da789f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e8e67ec8bca327e1e7bc658f1e569c16697f89573d1778671e7fb3c0da789f5","first_computed_at":"2026-05-18T00:04:11.940160Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:11.940160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rd5aXMOJgarUKUEu5KQ99dQONltzoblHJbFTAVfogKDJ45hFmzxzllYjG7rgRmjfD+oLiRlUolHBXIcVJxX3DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:11.940876Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.01506","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c8015fd7330ec3c04aef475595d457ff5c514ba269637a4ab7f76d816ed05b2","sha256:abcdf56ddee7d56fc5769bf9c9f6977a55c0fd633c8fac3a4bd31f9c4e84c7ff"],"state_sha256":"fa407179a402f19edac080bf918696030e56384a73a244eb859ea5126854321f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5KMTWhIv9ji6Kr78sqoYKZRxq5/+BCRgXDs8yyvEMBbZw/Qe+8EvnjhhBA2Ru9BIzMw0azckst5P8MBdKk6MDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:37:53.958600Z","bundle_sha256":"9ab2467e239f24e0f751c9f1db2f49f8fe8d2c4a0755a681ac876e173e92a811"}}