{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:4U66GIN7ULOUE4TDAPLMWXNBZ7","short_pith_number":"pith:4U66GIN7","canonical_record":{"source":{"id":"1612.04444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T00:34:32Z","cross_cats_sorted":[],"title_canon_sha256":"42dbf368a494b42a2550806ee7e8bd9c778f8cc2721feaafde117885ff63fd78","abstract_canon_sha256":"f5412ac89dcc3cb3e6f3e2cb39d57699e106f7e1d1b727b570d97065908c9d3b"},"schema_version":"1.0"},"canonical_sha256":"e53de321bfa2dd42726303d6cb5da1cfd6ac937ca38750c6e1a645354e770af6","source":{"kind":"arxiv","id":"1612.04444","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04444","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04444v1","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04444","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"pith_short_12","alias_value":"4U66GIN7ULOU","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4U66GIN7ULOUE4TD","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4U66GIN7","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:4U66GIN7ULOUE4TDAPLMWXNBZ7","target":"record","payload":{"canonical_record":{"source":{"id":"1612.04444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T00:34:32Z","cross_cats_sorted":[],"title_canon_sha256":"42dbf368a494b42a2550806ee7e8bd9c778f8cc2721feaafde117885ff63fd78","abstract_canon_sha256":"f5412ac89dcc3cb3e6f3e2cb39d57699e106f7e1d1b727b570d97065908c9d3b"},"schema_version":"1.0"},"canonical_sha256":"e53de321bfa2dd42726303d6cb5da1cfd6ac937ca38750c6e1a645354e770af6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:59.558447Z","signature_b64":"8/KWUZiBIKiF2h2rwcixfQ1rbnwdkEIOFftLBRRAkW3bF2xSmfi9f6CHUZxOKN01onqJFQsIJOfS+atUK7FLAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e53de321bfa2dd42726303d6cb5da1cfd6ac937ca38750c6e1a645354e770af6","last_reissued_at":"2026-05-18T00:54:59.557933Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:59.557933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.04444","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":"2026-05-18T00:54:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DO1ahZPL62P6SiJpT3ShCEWu7H4K5vUfZ0UimUq70J6d0ySNMnN31otQrtNqdIdqZylp5fWFI7hgsOPgC50vBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T23:15:05.332226Z"},"content_sha256":"f282057f75045a69f96a593643aff0b42081d301bc652dd08484d6cd514de568","schema_version":"1.0","event_id":"sha256:f282057f75045a69f96a593643aff0b42081d301bc652dd08484d6cd514de568"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:4U66GIN7ULOUE4TDAPLMWXNBZ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-Assembled, Nanostructured, Tunable Metamaterials via Spinodal Decomposition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Brent A Apgar, Jie Yao, Julio A N T Soares, Lane W Martin, Ran Gao, Ruijuan Xu, Sui Yang, Xiang Zhang, Xi Wang, Yajun Qi, Yeonbae Lee, Zuhuang Chen","submitted_at":"2016-12-14T00:34:32Z","abstract_excerpt":"Self-assembly via nanoscale phase-separation offers an elegant route to fabricate nanocomposites with physical properties unattainable in single-component systems. One important class of nanocomposites are optical metamaterials which exhibit exotic properties and lead to opportunities for agile control of light propagation. Such metamaterials are typically fabricated via expensive and hard-to-scale top-down processes requiring precise integration of dissimilar materials. In turn, there is a need for alternative, more efficient routes to fabricate large-scale metamaterials for practical applica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04444","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":"2026-05-18T00:54:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U2AoroHghaQLUlq+K8TI0DaUsxJ+scs5Aa6ZtbCFMkmX/hdwspiaaP7ZTD7rpf8Ha2bBeo4gKF0G+69gWy0GBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T23:15:05.332880Z"},"content_sha256":"2fef7a76732b647c80eeb980a7f926670ef9f55a823e47ee98770f0108381211","schema_version":"1.0","event_id":"sha256:2fef7a76732b647c80eeb980a7f926670ef9f55a823e47ee98770f0108381211"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4U66GIN7ULOUE4TDAPLMWXNBZ7/bundle.json","state_url":"https://pith.science/pith/4U66GIN7ULOUE4TDAPLMWXNBZ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4U66GIN7ULOUE4TDAPLMWXNBZ7/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":"2026-05-21T23:15:05Z","links":{"resolver":"https://pith.science/pith/4U66GIN7ULOUE4TDAPLMWXNBZ7","bundle":"https://pith.science/pith/4U66GIN7ULOUE4TDAPLMWXNBZ7/bundle.json","state":"https://pith.science/pith/4U66GIN7ULOUE4TDAPLMWXNBZ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4U66GIN7ULOUE4TDAPLMWXNBZ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:4U66GIN7ULOUE4TDAPLMWXNBZ7","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":"f5412ac89dcc3cb3e6f3e2cb39d57699e106f7e1d1b727b570d97065908c9d3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T00:34:32Z","title_canon_sha256":"42dbf368a494b42a2550806ee7e8bd9c778f8cc2721feaafde117885ff63fd78"},"schema_version":"1.0","source":{"id":"1612.04444","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04444","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04444v1","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04444","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"pith_short_12","alias_value":"4U66GIN7ULOU","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4U66GIN7ULOUE4TD","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4U66GIN7","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:2fef7a76732b647c80eeb980a7f926670ef9f55a823e47ee98770f0108381211","target":"graph","created_at":"2026-05-18T00:54:59Z","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":"Self-assembly via nanoscale phase-separation offers an elegant route to fabricate nanocomposites with physical properties unattainable in single-component systems. One important class of nanocomposites are optical metamaterials which exhibit exotic properties and lead to opportunities for agile control of light propagation. Such metamaterials are typically fabricated via expensive and hard-to-scale top-down processes requiring precise integration of dissimilar materials. In turn, there is a need for alternative, more efficient routes to fabricate large-scale metamaterials for practical applica","authors_text":"Brent A Apgar, Jie Yao, Julio A N T Soares, Lane W Martin, Ran Gao, Ruijuan Xu, Sui Yang, Xiang Zhang, Xi Wang, Yajun Qi, Yeonbae Lee, Zuhuang Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T00:34:32Z","title":"Self-Assembled, Nanostructured, Tunable Metamaterials via Spinodal Decomposition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04444","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:f282057f75045a69f96a593643aff0b42081d301bc652dd08484d6cd514de568","target":"record","created_at":"2026-05-18T00:54:59Z","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":"f5412ac89dcc3cb3e6f3e2cb39d57699e106f7e1d1b727b570d97065908c9d3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T00:34:32Z","title_canon_sha256":"42dbf368a494b42a2550806ee7e8bd9c778f8cc2721feaafde117885ff63fd78"},"schema_version":"1.0","source":{"id":"1612.04444","kind":"arxiv","version":1}},"canonical_sha256":"e53de321bfa2dd42726303d6cb5da1cfd6ac937ca38750c6e1a645354e770af6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e53de321bfa2dd42726303d6cb5da1cfd6ac937ca38750c6e1a645354e770af6","first_computed_at":"2026-05-18T00:54:59.557933Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:59.557933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8/KWUZiBIKiF2h2rwcixfQ1rbnwdkEIOFftLBRRAkW3bF2xSmfi9f6CHUZxOKN01onqJFQsIJOfS+atUK7FLAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:59.558447Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.04444","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f282057f75045a69f96a593643aff0b42081d301bc652dd08484d6cd514de568","sha256:2fef7a76732b647c80eeb980a7f926670ef9f55a823e47ee98770f0108381211"],"state_sha256":"9481fa036a3e4df4a295b1b0fc979eab8d5bb518544ac0af12b705c3f820b4d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RSR7v3eONbhX1RvjMNNK3c9JtzUxaQ++HdNFVujnNxdBHNpRa1t7n1LwOFtfSp6F1qlXSs+04rIzRtiR1VETDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T23:15:05.335814Z","bundle_sha256":"be3526ef35bacc99c00bc423036f8b61147b1119843aec95d32d6195b7ba2179"}}