{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:VEOLHPE3LMUJ5E25PE6MTOFWTZ","short_pith_number":"pith:VEOLHPE3","canonical_record":{"source":{"id":"1103.2390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-11T22:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"12c5c97a7f568ac9ac1f0e03e05224f8e463c896a8c3bcfa282d902279df6b54","abstract_canon_sha256":"101ad09c25241a12d9e3f72cb19bb740767759d8890c0699dc9cc42eb7b63005"},"schema_version":"1.0"},"canonical_sha256":"a91cb3bc9b5b289e935d793cc9b8b69e59640336ecbd57d066a6f4d80669462b","source":{"kind":"arxiv","id":"1103.2390","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2390","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2390v1","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2390","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"VEOLHPE3LMUJ","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VEOLHPE3LMUJ5E25","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VEOLHPE3","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:VEOLHPE3LMUJ5E25PE6MTOFWTZ","target":"record","payload":{"canonical_record":{"source":{"id":"1103.2390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-11T22:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"12c5c97a7f568ac9ac1f0e03e05224f8e463c896a8c3bcfa282d902279df6b54","abstract_canon_sha256":"101ad09c25241a12d9e3f72cb19bb740767759d8890c0699dc9cc42eb7b63005"},"schema_version":"1.0"},"canonical_sha256":"a91cb3bc9b5b289e935d793cc9b8b69e59640336ecbd57d066a6f4d80669462b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:54.352823Z","signature_b64":"WLgVmI7qhy9LjBuPtzlcJbDTt3+WgvcJLblwbfIj2o+BzWTC3Kxc79YY2vH0/zsG4hEodhlhI3OjeVtE9m5cBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a91cb3bc9b5b289e935d793cc9b8b69e59640336ecbd57d066a6f4d80669462b","last_reissued_at":"2026-05-18T02:02:54.352179Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:54.352179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.2390","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":"2026-05-18T02:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5bnwy8XsOYSApX4V25IMHeIWgHKTKEiOkizI2TEvZue9wDdyPz7LeqRMkFleWEtUPwg2RXHk+3Yi6pZvzIeyCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:09:44.161427Z"},"content_sha256":"71a5e6d8ea92c74f40e4b7654d6376634c07a6054bbe7b20befcab64fa84c4e4","schema_version":"1.0","event_id":"sha256:71a5e6d8ea92c74f40e4b7654d6376634c07a6054bbe7b20befcab64fa84c4e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:VEOLHPE3LMUJ5E25PE6MTOFWTZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In-situ measurements of the optical absorption of dioxythiophene-based conjugated polymers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Ihas, D.B. Tanner, I. Schwendeman, J. Hwang, J.R. Reynolds, M. Cornick, M. Nikolou, R. Clark","submitted_at":"2011-03-11T22:32:17Z","abstract_excerpt":"Conjugated polymers can be reversibly doped by electrochemical means. This doping introduces new sub-bandgap optical absorption bands in the polymer while decreasing the bandgap absorption. To study this behavior, we have prepared an electrochemical cell allowing measurements of the optical properties of the polymer. The cell consists of a thin polymer film deposited on gold-coated Mylar behind which is another polymer that serves as a counterelectrode. An infrared transparent window protects the upper polymer from ambient air. By adding a gel electrolyte and making electrical connections to t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2390","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":"2026-05-18T02:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wEgG49v3qY2PovDuNzaskeGUTvzMdTnKz+FszIBkKaAQY96r5Y3VHMOK9dvjlOIgkAJSAoU+aZBijbxeAB7VAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:09:44.161880Z"},"content_sha256":"09382bc2fa914a85ecab614abeb099edab9f41f52f2016a476ca3d1fdf5734ac","schema_version":"1.0","event_id":"sha256:09382bc2fa914a85ecab614abeb099edab9f41f52f2016a476ca3d1fdf5734ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VEOLHPE3LMUJ5E25PE6MTOFWTZ/bundle.json","state_url":"https://pith.science/pith/VEOLHPE3LMUJ5E25PE6MTOFWTZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VEOLHPE3LMUJ5E25PE6MTOFWTZ/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":"2026-06-08T22:09:44Z","links":{"resolver":"https://pith.science/pith/VEOLHPE3LMUJ5E25PE6MTOFWTZ","bundle":"https://pith.science/pith/VEOLHPE3LMUJ5E25PE6MTOFWTZ/bundle.json","state":"https://pith.science/pith/VEOLHPE3LMUJ5E25PE6MTOFWTZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VEOLHPE3LMUJ5E25PE6MTOFWTZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VEOLHPE3LMUJ5E25PE6MTOFWTZ","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":"101ad09c25241a12d9e3f72cb19bb740767759d8890c0699dc9cc42eb7b63005","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-11T22:32:17Z","title_canon_sha256":"12c5c97a7f568ac9ac1f0e03e05224f8e463c896a8c3bcfa282d902279df6b54"},"schema_version":"1.0","source":{"id":"1103.2390","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2390","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2390v1","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2390","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"VEOLHPE3LMUJ","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VEOLHPE3LMUJ5E25","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VEOLHPE3","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:09382bc2fa914a85ecab614abeb099edab9f41f52f2016a476ca3d1fdf5734ac","target":"graph","created_at":"2026-05-18T02:02:54Z","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":"Conjugated polymers can be reversibly doped by electrochemical means. This doping introduces new sub-bandgap optical absorption bands in the polymer while decreasing the bandgap absorption. To study this behavior, we have prepared an electrochemical cell allowing measurements of the optical properties of the polymer. The cell consists of a thin polymer film deposited on gold-coated Mylar behind which is another polymer that serves as a counterelectrode. An infrared transparent window protects the upper polymer from ambient air. By adding a gel electrolyte and making electrical connections to t","authors_text":"B. Ihas, D.B. Tanner, I. Schwendeman, J. Hwang, J.R. Reynolds, M. Cornick, M. Nikolou, R. Clark","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-11T22:32:17Z","title":"In-situ measurements of the optical absorption of dioxythiophene-based conjugated polymers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2390","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":"sha256:71a5e6d8ea92c74f40e4b7654d6376634c07a6054bbe7b20befcab64fa84c4e4","target":"record","created_at":"2026-05-18T02:02:54Z","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":"101ad09c25241a12d9e3f72cb19bb740767759d8890c0699dc9cc42eb7b63005","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-11T22:32:17Z","title_canon_sha256":"12c5c97a7f568ac9ac1f0e03e05224f8e463c896a8c3bcfa282d902279df6b54"},"schema_version":"1.0","source":{"id":"1103.2390","kind":"arxiv","version":1}},"canonical_sha256":"a91cb3bc9b5b289e935d793cc9b8b69e59640336ecbd57d066a6f4d80669462b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a91cb3bc9b5b289e935d793cc9b8b69e59640336ecbd57d066a6f4d80669462b","first_computed_at":"2026-05-18T02:02:54.352179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:54.352179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WLgVmI7qhy9LjBuPtzlcJbDTt3+WgvcJLblwbfIj2o+BzWTC3Kxc79YY2vH0/zsG4hEodhlhI3OjeVtE9m5cBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:54.352823Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2390","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71a5e6d8ea92c74f40e4b7654d6376634c07a6054bbe7b20befcab64fa84c4e4","sha256:09382bc2fa914a85ecab614abeb099edab9f41f52f2016a476ca3d1fdf5734ac"],"state_sha256":"d23b547ee9170e63059fcbd124bc89d322b200999c7232cc3addebc5f4e1ce05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F9Br5+iJIYYca5xL/uLqoJDv7ViPpq3zPDE++wxaMA9PgQ6yfaR44PIuIFwoXfh+sCtGoIv5S+31tkdK7c1OAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:09:44.163910Z","bundle_sha256":"b9cffac47c27febc5bfad0d03688561b24d305ee38ab43f3db02fa13a4eae010"}}