{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:V7OX6XXX2FVVEIZPRRKQEKSNXW","short_pith_number":"pith:V7OX6XXX","canonical_record":{"source":{"id":"1510.02922","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-10T12:59:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"b6aa97dde50e8a5ddbbb70017ad37281db8a5d3ed518c5c9635a39a601201974","abstract_canon_sha256":"358fbc4355f13eaf06d4d1579a2f3d61f25ba88265621ab2c40f2c6c04d52fc7"},"schema_version":"1.0"},"canonical_sha256":"afdd7f5ef7d16b52232f8c55022a4dbd87d81fae2112698ad95ec070d434444e","source":{"kind":"arxiv","id":"1510.02922","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02922","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02922v1","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02922","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"V7OX6XXX2FVV","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"V7OX6XXX2FVVEIZP","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"V7OX6XXX","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:V7OX6XXX2FVVEIZPRRKQEKSNXW","target":"record","payload":{"canonical_record":{"source":{"id":"1510.02922","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-10T12:59:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"b6aa97dde50e8a5ddbbb70017ad37281db8a5d3ed518c5c9635a39a601201974","abstract_canon_sha256":"358fbc4355f13eaf06d4d1579a2f3d61f25ba88265621ab2c40f2c6c04d52fc7"},"schema_version":"1.0"},"canonical_sha256":"afdd7f5ef7d16b52232f8c55022a4dbd87d81fae2112698ad95ec070d434444e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:45.327060Z","signature_b64":"/adUyBU4Autl/H95X9jR0hILaY5EXp2S/Xc7bYsVQjeqNK2vcD5pKGSvdC7rrwQQkKFZfywJ0MEY6GuYn9EABA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afdd7f5ef7d16b52232f8c55022a4dbd87d81fae2112698ad95ec070d434444e","last_reissued_at":"2026-05-18T01:28:45.326432Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:45.326432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.02922","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":"2026-05-18T01:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6nFLcqQSip7whBPB4WAUCEQUIZPvoqciLurXazTaBBFln/1TZ0Dm3SKvit1igdIL3vzZMfgvblFerQxDYDyQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:17:29.814010Z"},"content_sha256":"a99baca20647ebd8b06adedaa0c7e5986ce02f0c75553d29084afb0b86bbd052","schema_version":"1.0","event_id":"sha256:a99baca20647ebd8b06adedaa0c7e5986ce02f0c75553d29084afb0b86bbd052"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:V7OX6XXX2FVVEIZPRRKQEKSNXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermopower of crown-ether-bridged anthraquinones","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A.K. Ismael, C.J. Lambert, I. Grace","submitted_at":"2015-10-10T12:59:52Z","abstract_excerpt":"We investigate strategies for increasing the thermopower of crown-ether-bridged anthraquinones. The novel design feature of these molecules is the presence of either (1) crown-ether or (2) diaza-crown-ether bridges attached to the side of the current-carrying anthraquinone wire. The crown-ether side groups selectively bind alkali- metal cations and when combined with TCNE or TTF dopants, provide a large phase-space for optimising thermoelectric properties. We find that the optimum combination of cations and dopants depends on the temperature range of interest. The thermopowers of both 1 and 2 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02922","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":"2026-05-18T01:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FchRokpHdwgoY/Lnu3R4RuKH8PewD7cpSPJz355XWNSDeu+/dmh2EvGV21ZZwrjn4OVbsOMwbBpMkb0iCXztAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:17:29.814380Z"},"content_sha256":"284ff98aa8cd42845759f1445a15354a2b75be48eaaba960b12940a24d2fa7a6","schema_version":"1.0","event_id":"sha256:284ff98aa8cd42845759f1445a15354a2b75be48eaaba960b12940a24d2fa7a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V7OX6XXX2FVVEIZPRRKQEKSNXW/bundle.json","state_url":"https://pith.science/pith/V7OX6XXX2FVVEIZPRRKQEKSNXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V7OX6XXX2FVVEIZPRRKQEKSNXW/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":"2026-05-30T13:17:29Z","links":{"resolver":"https://pith.science/pith/V7OX6XXX2FVVEIZPRRKQEKSNXW","bundle":"https://pith.science/pith/V7OX6XXX2FVVEIZPRRKQEKSNXW/bundle.json","state":"https://pith.science/pith/V7OX6XXX2FVVEIZPRRKQEKSNXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V7OX6XXX2FVVEIZPRRKQEKSNXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:V7OX6XXX2FVVEIZPRRKQEKSNXW","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":"358fbc4355f13eaf06d4d1579a2f3d61f25ba88265621ab2c40f2c6c04d52fc7","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-10T12:59:52Z","title_canon_sha256":"b6aa97dde50e8a5ddbbb70017ad37281db8a5d3ed518c5c9635a39a601201974"},"schema_version":"1.0","source":{"id":"1510.02922","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02922","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02922v1","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02922","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"V7OX6XXX2FVV","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"V7OX6XXX2FVVEIZP","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"V7OX6XXX","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:284ff98aa8cd42845759f1445a15354a2b75be48eaaba960b12940a24d2fa7a6","target":"graph","created_at":"2026-05-18T01:28:45Z","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":"We investigate strategies for increasing the thermopower of crown-ether-bridged anthraquinones. The novel design feature of these molecules is the presence of either (1) crown-ether or (2) diaza-crown-ether bridges attached to the side of the current-carrying anthraquinone wire. The crown-ether side groups selectively bind alkali- metal cations and when combined with TCNE or TTF dopants, provide a large phase-space for optimising thermoelectric properties. We find that the optimum combination of cations and dopants depends on the temperature range of interest. The thermopowers of both 1 and 2 ","authors_text":"A.K. Ismael, C.J. Lambert, I. Grace","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-10T12:59:52Z","title":"Thermopower of crown-ether-bridged anthraquinones"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02922","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:a99baca20647ebd8b06adedaa0c7e5986ce02f0c75553d29084afb0b86bbd052","target":"record","created_at":"2026-05-18T01:28:45Z","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":"358fbc4355f13eaf06d4d1579a2f3d61f25ba88265621ab2c40f2c6c04d52fc7","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-10T12:59:52Z","title_canon_sha256":"b6aa97dde50e8a5ddbbb70017ad37281db8a5d3ed518c5c9635a39a601201974"},"schema_version":"1.0","source":{"id":"1510.02922","kind":"arxiv","version":1}},"canonical_sha256":"afdd7f5ef7d16b52232f8c55022a4dbd87d81fae2112698ad95ec070d434444e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"afdd7f5ef7d16b52232f8c55022a4dbd87d81fae2112698ad95ec070d434444e","first_computed_at":"2026-05-18T01:28:45.326432Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:28:45.326432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/adUyBU4Autl/H95X9jR0hILaY5EXp2S/Xc7bYsVQjeqNK2vcD5pKGSvdC7rrwQQkKFZfywJ0MEY6GuYn9EABA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:28:45.327060Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.02922","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a99baca20647ebd8b06adedaa0c7e5986ce02f0c75553d29084afb0b86bbd052","sha256:284ff98aa8cd42845759f1445a15354a2b75be48eaaba960b12940a24d2fa7a6"],"state_sha256":"26d602781d2d95e35e2813eb036ccd774815cd649bf77775d4673123ee42e29d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W+iDbJx8LKM/SHcbiDXEMKSvlwwXZRERVeMcbxto/c4i/GL+6btFJCb11Ex/hcM1P93umTVFaELWYRSeSw4yCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:17:29.816635Z","bundle_sha256":"2975b3a2842ecc496e105b523cb146abf476d3a58679c32e84b7cb21f6a94a01"}}