{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:TNSSYCW766X3IRFDHAK6QKNQZE","short_pith_number":"pith:TNSSYCW7","canonical_record":{"source":{"id":"2110.14158","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-27T04:27:30Z","cross_cats_sorted":[],"title_canon_sha256":"f5dd3edfc33bc8441df45e1731f9a0522e0b8c56555644c0fddc3164d8e52ada","abstract_canon_sha256":"5fbc2d3d7ff08c34dc43192d71a654797c9b63a4505e1d6b7e6c432a65e4bcef"},"schema_version":"1.0"},"canonical_sha256":"9b652c0adff7afb444a33815e829b0c919052a7bf8c3db25eafecf546ba88ce5","source":{"kind":"arxiv","id":"2110.14158","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.14158","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"2110.14158v3","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.14158","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"TNSSYCW766X3","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"pith_short_16","alias_value":"TNSSYCW766X3IRFD","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"pith_short_8","alias_value":"TNSSYCW7","created_at":"2026-07-05T05:22:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:TNSSYCW766X3IRFDHAK6QKNQZE","target":"record","payload":{"canonical_record":{"source":{"id":"2110.14158","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-27T04:27:30Z","cross_cats_sorted":[],"title_canon_sha256":"f5dd3edfc33bc8441df45e1731f9a0522e0b8c56555644c0fddc3164d8e52ada","abstract_canon_sha256":"5fbc2d3d7ff08c34dc43192d71a654797c9b63a4505e1d6b7e6c432a65e4bcef"},"schema_version":"1.0"},"canonical_sha256":"9b652c0adff7afb444a33815e829b0c919052a7bf8c3db25eafecf546ba88ce5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:22:41.922325Z","signature_b64":"kJI5PeWNRB2i1p6BbJYyxW/lN81/2qiy5LORKxMbaQrduUrda0US00bjSWNYNY2XtFKnzicExPXkwz1GuboeAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b652c0adff7afb444a33815e829b0c919052a7bf8c3db25eafecf546ba88ce5","last_reissued_at":"2026-07-05T05:22:41.921862Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:22:41.921862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.14158","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0HLyZp52RKyTn1vrMtGkOz6K/BaMwiyz7fKdPZAgmWlX5jPImvceFhOLIWiDF0iixINX9sIQb/VHFA6fSuv5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:42:40.428897Z"},"content_sha256":"d2caa5e3353807fe0f7c7098de0781d534a768fc8a718f03b1dc0979f6dcd04c","schema_version":"1.0","event_id":"sha256:d2caa5e3353807fe0f7c7098de0781d534a768fc8a718f03b1dc0979f6dcd04c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:TNSSYCW766X3IRFDHAK6QKNQZE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entropy measurement of a strongly coupled quantum dot","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andrew Mitchell, Eran Sela, Geoffrey C. Gardner, Joshua Folk, Michael Manfra, Owen Sheekey, Saeed Fallahi, Silvia L\\\"uscher, Tim Child, Yaakov Kleeorin, Yigal Meir","submitted_at":"2021-10-27T04:27:30Z","abstract_excerpt":"The spin 1/2 entropy of electrons trapped in a quantum dot has previously been measured with great accuracy, but the protocol used for that measurement is valid only within a restrictive set of conditions. Here, we demonstrate a novel entropy measurement protocol that is universal for arbitrary mesoscopic circuits and apply this new approach to measure the entropy of a quantum dot hybridized with a reservoir, where Kondo correlations dominate spin physics. The experimental results match closely to numerical renormalization group (NRG) calculations for small and intermediate coupling. For the l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.14158","kind":"arxiv","version":3},"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/2110.14158/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":"2026-07-05T05:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PAFLSp5HfKufYanSnssVZjijOEWk3j/IzAKFD7B4U84CZsQ95JJBR9SGwxOljXev9AuLllDVNeEVxDELt3TgDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:42:40.429402Z"},"content_sha256":"284f8cfcf56d917aab871fbde19fb1b6dca18fe941f7e40f6f7ca56a623ea903","schema_version":"1.0","event_id":"sha256:284f8cfcf56d917aab871fbde19fb1b6dca18fe941f7e40f6f7ca56a623ea903"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TNSSYCW766X3IRFDHAK6QKNQZE/bundle.json","state_url":"https://pith.science/pith/TNSSYCW766X3IRFDHAK6QKNQZE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TNSSYCW766X3IRFDHAK6QKNQZE/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":"2026-08-18T15:42:40Z","links":{"resolver":"https://pith.science/pith/TNSSYCW766X3IRFDHAK6QKNQZE","bundle":"https://pith.science/pith/TNSSYCW766X3IRFDHAK6QKNQZE/bundle.json","state":"https://pith.science/pith/TNSSYCW766X3IRFDHAK6QKNQZE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TNSSYCW766X3IRFDHAK6QKNQZE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TNSSYCW766X3IRFDHAK6QKNQZE","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":"5fbc2d3d7ff08c34dc43192d71a654797c9b63a4505e1d6b7e6c432a65e4bcef","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-27T04:27:30Z","title_canon_sha256":"f5dd3edfc33bc8441df45e1731f9a0522e0b8c56555644c0fddc3164d8e52ada"},"schema_version":"1.0","source":{"id":"2110.14158","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.14158","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"2110.14158v3","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.14158","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"TNSSYCW766X3","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"pith_short_16","alias_value":"TNSSYCW766X3IRFD","created_at":"2026-07-05T05:22:41Z"},{"alias_kind":"pith_short_8","alias_value":"TNSSYCW7","created_at":"2026-07-05T05:22:41Z"}],"graph_snapshots":[{"event_id":"sha256:284f8cfcf56d917aab871fbde19fb1b6dca18fe941f7e40f6f7ca56a623ea903","target":"graph","created_at":"2026-07-05T05:22:41Z","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/2110.14158/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The spin 1/2 entropy of electrons trapped in a quantum dot has previously been measured with great accuracy, but the protocol used for that measurement is valid only within a restrictive set of conditions. Here, we demonstrate a novel entropy measurement protocol that is universal for arbitrary mesoscopic circuits and apply this new approach to measure the entropy of a quantum dot hybridized with a reservoir, where Kondo correlations dominate spin physics. The experimental results match closely to numerical renormalization group (NRG) calculations for small and intermediate coupling. For the l","authors_text":"Andrew Mitchell, Eran Sela, Geoffrey C. Gardner, Joshua Folk, Michael Manfra, Owen Sheekey, Saeed Fallahi, Silvia L\\\"uscher, Tim Child, Yaakov Kleeorin, Yigal Meir","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-27T04:27:30Z","title":"Entropy measurement of a strongly coupled quantum dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.14158","kind":"arxiv","version":3},"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:d2caa5e3353807fe0f7c7098de0781d534a768fc8a718f03b1dc0979f6dcd04c","target":"record","created_at":"2026-07-05T05:22:41Z","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":"5fbc2d3d7ff08c34dc43192d71a654797c9b63a4505e1d6b7e6c432a65e4bcef","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-27T04:27:30Z","title_canon_sha256":"f5dd3edfc33bc8441df45e1731f9a0522e0b8c56555644c0fddc3164d8e52ada"},"schema_version":"1.0","source":{"id":"2110.14158","kind":"arxiv","version":3}},"canonical_sha256":"9b652c0adff7afb444a33815e829b0c919052a7bf8c3db25eafecf546ba88ce5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b652c0adff7afb444a33815e829b0c919052a7bf8c3db25eafecf546ba88ce5","first_computed_at":"2026-07-05T05:22:41.921862Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:22:41.921862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kJI5PeWNRB2i1p6BbJYyxW/lN81/2qiy5LORKxMbaQrduUrda0US00bjSWNYNY2XtFKnzicExPXkwz1GuboeAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:22:41.922325Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.14158","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2caa5e3353807fe0f7c7098de0781d534a768fc8a718f03b1dc0979f6dcd04c","sha256:284f8cfcf56d917aab871fbde19fb1b6dca18fe941f7e40f6f7ca56a623ea903"],"state_sha256":"e2bd2670fe1b79b5f87ae51d96211abeabe7af9962992a7c549abe68dee09608"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZzbiQ8gVIVuMzYDNnISWQ7ztpkUD9m/F7R7ReiHwCLJa4zGDXA8VmLmoATc2tV18IOaYKZu4XJ7F9bRwHQmIBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T15:42:40.434042Z","bundle_sha256":"3be534b03983a16b23b12ac94846225cb62e00d7c1c1edad5b72e34199ba3a74"}}