{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:UJM3KIG563HPM3LUJ4VMY7NRZ2","short_pith_number":"pith:UJM3KIG5","canonical_record":{"source":{"id":"2003.14050","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2020-03-31T09:33:26Z","cross_cats_sorted":[],"title_canon_sha256":"159268a8a9480ceb54206b2d86a50b54cb7ed2c16c79b1728dea2ed43a0b8546","abstract_canon_sha256":"6ae86d81e7c0e2afd4042cc35de7b007ec697b898e2822e7d474b5ce4a550e19"},"schema_version":"1.0"},"canonical_sha256":"a259b520ddf6cef66d744f2acc7db1cead08422ab49ff981d07cfbc5a50df501","source":{"kind":"arxiv","id":"2003.14050","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.14050","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"arxiv_version","alias_value":"2003.14050v1","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.14050","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"pith_short_12","alias_value":"UJM3KIG563HP","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"pith_short_16","alias_value":"UJM3KIG563HPM3LU","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"pith_short_8","alias_value":"UJM3KIG5","created_at":"2026-07-05T02:05:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:UJM3KIG563HPM3LUJ4VMY7NRZ2","target":"record","payload":{"canonical_record":{"source":{"id":"2003.14050","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2020-03-31T09:33:26Z","cross_cats_sorted":[],"title_canon_sha256":"159268a8a9480ceb54206b2d86a50b54cb7ed2c16c79b1728dea2ed43a0b8546","abstract_canon_sha256":"6ae86d81e7c0e2afd4042cc35de7b007ec697b898e2822e7d474b5ce4a550e19"},"schema_version":"1.0"},"canonical_sha256":"a259b520ddf6cef66d744f2acc7db1cead08422ab49ff981d07cfbc5a50df501","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:05:06.395114Z","signature_b64":"wqmy/ZpMJoAg4Ufly8xx91V2MiIom4meUbUUWG0IyJSe1QW1Syu3euBU5jEnO1KYci4tbMFqmG/fgRl2lv2EDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a259b520ddf6cef66d744f2acc7db1cead08422ab49ff981d07cfbc5a50df501","last_reissued_at":"2026-07-05T02:05:06.394643Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:05:06.394643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.14050","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":"2026-07-05T02:05:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tURJGzPgx9XivvuyyYa5YQG1oLArpxm9vaGAm9VCw6I1vD6E6yJhE0HliQwPe7C3LbXRzQU+tzX55O5sITe4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T22:19:04.255987Z"},"content_sha256":"206b9632a150144835e8bed791db2fc6bee9f7e6f8334323aa5d367b1e669233","schema_version":"1.0","event_id":"sha256:206b9632a150144835e8bed791db2fc6bee9f7e6f8334323aa5d367b1e669233"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:UJM3KIG563HPM3LUJ4VMY7NRZ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electrochromism in Electrolyte-Free and Solution Processed Bragg Stacks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Alessandro Chiasera, Fabio Marangi, Francesco Scotognella, Giuseppe M. Patern\\`o, Guglielmo Lanzani, Ilka Kriegel, Liliana Moscardi, Roberto Sorrentino","submitted_at":"2020-03-31T09:33:26Z","abstract_excerpt":"Achieving an active manipulation of colours has huge implications in optoelectronics, as colours engineering can be exploited in a number of applications, ranging from display to lightning. In the last decade, the synergy of the highly pure colours of 1D photonic crystals, also known as Bragg stacks, with electro-tunable materials have been proposed as an interesting route to attain such a technologically relevant effect. However, recent works rely on the use of liquid electrolytes, which can pose issues in terms of chemical and environmental stability. Here, we report on the proof-of-concept "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.14050","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2003.14050/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:05:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4eEMxT2qv7wU0aHBMwMmHmGFuxdtyGyqiRCoTNdk+JzUxe+wuq4zRRMVYSL212Zq/dpCXSCodz7p3qgzSjeYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T22:19:04.256362Z"},"content_sha256":"8111cfce2fd090de360992b2f6d81c53c4db27a4a0ed495bb7545ddc29f68ded","schema_version":"1.0","event_id":"sha256:8111cfce2fd090de360992b2f6d81c53c4db27a4a0ed495bb7545ddc29f68ded"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UJM3KIG563HPM3LUJ4VMY7NRZ2/bundle.json","state_url":"https://pith.science/pith/UJM3KIG563HPM3LUJ4VMY7NRZ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UJM3KIG563HPM3LUJ4VMY7NRZ2/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":"2026-07-14T22:19:04Z","links":{"resolver":"https://pith.science/pith/UJM3KIG563HPM3LUJ4VMY7NRZ2","bundle":"https://pith.science/pith/UJM3KIG563HPM3LUJ4VMY7NRZ2/bundle.json","state":"https://pith.science/pith/UJM3KIG563HPM3LUJ4VMY7NRZ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UJM3KIG563HPM3LUJ4VMY7NRZ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:UJM3KIG563HPM3LUJ4VMY7NRZ2","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":"6ae86d81e7c0e2afd4042cc35de7b007ec697b898e2822e7d474b5ce4a550e19","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2020-03-31T09:33:26Z","title_canon_sha256":"159268a8a9480ceb54206b2d86a50b54cb7ed2c16c79b1728dea2ed43a0b8546"},"schema_version":"1.0","source":{"id":"2003.14050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.14050","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"arxiv_version","alias_value":"2003.14050v1","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.14050","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"pith_short_12","alias_value":"UJM3KIG563HP","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"pith_short_16","alias_value":"UJM3KIG563HPM3LU","created_at":"2026-07-05T02:05:06Z"},{"alias_kind":"pith_short_8","alias_value":"UJM3KIG5","created_at":"2026-07-05T02:05:06Z"}],"graph_snapshots":[{"event_id":"sha256:8111cfce2fd090de360992b2f6d81c53c4db27a4a0ed495bb7545ddc29f68ded","target":"graph","created_at":"2026-07-05T02:05:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2003.14050/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Achieving an active manipulation of colours has huge implications in optoelectronics, as colours engineering can be exploited in a number of applications, ranging from display to lightning. In the last decade, the synergy of the highly pure colours of 1D photonic crystals, also known as Bragg stacks, with electro-tunable materials have been proposed as an interesting route to attain such a technologically relevant effect. However, recent works rely on the use of liquid electrolytes, which can pose issues in terms of chemical and environmental stability. Here, we report on the proof-of-concept ","authors_text":"Alessandro Chiasera, Fabio Marangi, Francesco Scotognella, Giuseppe M. Patern\\`o, Guglielmo Lanzani, Ilka Kriegel, Liliana Moscardi, Roberto Sorrentino","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2020-03-31T09:33:26Z","title":"Electrochromism in Electrolyte-Free and Solution Processed Bragg Stacks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.14050","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":"sha256:206b9632a150144835e8bed791db2fc6bee9f7e6f8334323aa5d367b1e669233","target":"record","created_at":"2026-07-05T02:05:06Z","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":"6ae86d81e7c0e2afd4042cc35de7b007ec697b898e2822e7d474b5ce4a550e19","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2020-03-31T09:33:26Z","title_canon_sha256":"159268a8a9480ceb54206b2d86a50b54cb7ed2c16c79b1728dea2ed43a0b8546"},"schema_version":"1.0","source":{"id":"2003.14050","kind":"arxiv","version":1}},"canonical_sha256":"a259b520ddf6cef66d744f2acc7db1cead08422ab49ff981d07cfbc5a50df501","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a259b520ddf6cef66d744f2acc7db1cead08422ab49ff981d07cfbc5a50df501","first_computed_at":"2026-07-05T02:05:06.394643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:05:06.394643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wqmy/ZpMJoAg4Ufly8xx91V2MiIom4meUbUUWG0IyJSe1QW1Syu3euBU5jEnO1KYci4tbMFqmG/fgRl2lv2EDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:05:06.395114Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.14050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:206b9632a150144835e8bed791db2fc6bee9f7e6f8334323aa5d367b1e669233","sha256:8111cfce2fd090de360992b2f6d81c53c4db27a4a0ed495bb7545ddc29f68ded"],"state_sha256":"ad125128abd0ecf6e9daf0a53f8e7cc88ebfbfc04eccd295fd78deb2e752316c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DnA/FvjqygTfRZymqHBmoz99UTcvb6f2Cl9nEouw9mcmrVancNIcF5atECPSFgN3cIKAwdeP9/hxKcMBlrB0DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-14T22:19:04.258719Z","bundle_sha256":"1270e846f6c26516b3e99e57d1b591f91fcb5b9e48c5edc6d289aa932521f19e"}}