{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:TEYCP32QCZBXVO3TRMTA4TKLDT","short_pith_number":"pith:TEYCP32Q","canonical_record":{"source":{"id":"1701.04814","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-17T18:58:58Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e290087a00fb3675311dee5881b3c3eb0eaafdd19ac3691f2646b8ef63c823cf","abstract_canon_sha256":"45e9a6d71a10b1cc2c96050dd5a149d08c398769f971602e3470573f99ebebfe"},"schema_version":"1.0"},"canonical_sha256":"993027ef5016437abb738b260e4d4b1cddd120a1ac9fc84b73fdda223f462437","source":{"kind":"arxiv","id":"1701.04814","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04814","created_at":"2026-05-18T00:52:35Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04814v1","created_at":"2026-05-18T00:52:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04814","created_at":"2026-05-18T00:52:35Z"},{"alias_kind":"pith_short_12","alias_value":"TEYCP32QCZBX","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TEYCP32QCZBXVO3T","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TEYCP32Q","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:TEYCP32QCZBXVO3TRMTA4TKLDT","target":"record","payload":{"canonical_record":{"source":{"id":"1701.04814","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-17T18:58:58Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e290087a00fb3675311dee5881b3c3eb0eaafdd19ac3691f2646b8ef63c823cf","abstract_canon_sha256":"45e9a6d71a10b1cc2c96050dd5a149d08c398769f971602e3470573f99ebebfe"},"schema_version":"1.0"},"canonical_sha256":"993027ef5016437abb738b260e4d4b1cddd120a1ac9fc84b73fdda223f462437","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:35.059138Z","signature_b64":"Mlz69sjDsbOJsHpvTEoPTnSUWrhBCcbySefNbYyrKqdaYIMbelqHLggsiq6v2tiANsaJ8YJnwEKKONyIs6QKCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"993027ef5016437abb738b260e4d4b1cddd120a1ac9fc84b73fdda223f462437","last_reissued_at":"2026-05-18T00:52:35.058634Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:35.058634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.04814","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":"2026-05-18T00:52:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qhTgA6Y3cKpjgo+wcMIli0pC4SmtEJF9IX+Rkybgz2cXVnzaeUDEH+yrliyz9uehm4T7wgmwQiLRtK6oRSAoBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:26:21.886124Z"},"content_sha256":"e1045a5ef9feacf1496f7d4f36584b02e9ad2dcec8595a21a1bbae05eb58a08f","schema_version":"1.0","event_id":"sha256:e1045a5ef9feacf1496f7d4f36584b02e9ad2dcec8595a21a1bbae05eb58a08f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:TEYCP32QCZBXVO3TRMTA4TKLDT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurements of trapped-ion heating rates with exchangeable surfaces in close proximity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.atom-ph","authors_text":"D. A. Hite, D. J. Wineland, D. Leibfried, D. P. Pappas, K. S. McKay, S. Kotler","submitted_at":"2017-01-17T18:58:58Z","abstract_excerpt":"Electric-field noise from the surfaces of ion-trap electrodes couples to the ion's charge causing heating of the ion's motional modes. This heating limits the fidelity of quantum gates implemented in quantum information processing experiments. The exact mechanism that gives rise to electric-field noise from surfaces is not well-understood and remains an active area of research. In this work, we detail experiments intended to measure ion motional heating rates with exchangeable surfaces positioned in close proximity to the ion, as a sensor to electric-field noise. We have prepared samples with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04814","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":"2026-05-18T00:52:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CEV5Tj+Yyf/xlwAQgjvgVM3wSBqim3neiFyR9hrTF2KSZfKVukmYc7upcD4hVaXRUvrfNSQIwwaQRJYvsL/iAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:26:21.886485Z"},"content_sha256":"ee81417994c3e28931629ed48c33162e59bae2acff00bb6e0955e3338f352524","schema_version":"1.0","event_id":"sha256:ee81417994c3e28931629ed48c33162e59bae2acff00bb6e0955e3338f352524"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TEYCP32QCZBXVO3TRMTA4TKLDT/bundle.json","state_url":"https://pith.science/pith/TEYCP32QCZBXVO3TRMTA4TKLDT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TEYCP32QCZBXVO3TRMTA4TKLDT/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":"2026-06-05T15:26:21Z","links":{"resolver":"https://pith.science/pith/TEYCP32QCZBXVO3TRMTA4TKLDT","bundle":"https://pith.science/pith/TEYCP32QCZBXVO3TRMTA4TKLDT/bundle.json","state":"https://pith.science/pith/TEYCP32QCZBXVO3TRMTA4TKLDT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TEYCP32QCZBXVO3TRMTA4TKLDT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TEYCP32QCZBXVO3TRMTA4TKLDT","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":"45e9a6d71a10b1cc2c96050dd5a149d08c398769f971602e3470573f99ebebfe","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-17T18:58:58Z","title_canon_sha256":"e290087a00fb3675311dee5881b3c3eb0eaafdd19ac3691f2646b8ef63c823cf"},"schema_version":"1.0","source":{"id":"1701.04814","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04814","created_at":"2026-05-18T00:52:35Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04814v1","created_at":"2026-05-18T00:52:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04814","created_at":"2026-05-18T00:52:35Z"},{"alias_kind":"pith_short_12","alias_value":"TEYCP32QCZBX","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TEYCP32QCZBXVO3T","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TEYCP32Q","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:ee81417994c3e28931629ed48c33162e59bae2acff00bb6e0955e3338f352524","target":"graph","created_at":"2026-05-18T00:52:35Z","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":"Electric-field noise from the surfaces of ion-trap electrodes couples to the ion's charge causing heating of the ion's motional modes. This heating limits the fidelity of quantum gates implemented in quantum information processing experiments. The exact mechanism that gives rise to electric-field noise from surfaces is not well-understood and remains an active area of research. In this work, we detail experiments intended to measure ion motional heating rates with exchangeable surfaces positioned in close proximity to the ion, as a sensor to electric-field noise. We have prepared samples with ","authors_text":"D. A. Hite, D. J. Wineland, D. Leibfried, D. P. Pappas, K. S. McKay, S. Kotler","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-17T18:58:58Z","title":"Measurements of trapped-ion heating rates with exchangeable surfaces in close proximity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04814","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:e1045a5ef9feacf1496f7d4f36584b02e9ad2dcec8595a21a1bbae05eb58a08f","target":"record","created_at":"2026-05-18T00:52:35Z","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":"45e9a6d71a10b1cc2c96050dd5a149d08c398769f971602e3470573f99ebebfe","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-17T18:58:58Z","title_canon_sha256":"e290087a00fb3675311dee5881b3c3eb0eaafdd19ac3691f2646b8ef63c823cf"},"schema_version":"1.0","source":{"id":"1701.04814","kind":"arxiv","version":1}},"canonical_sha256":"993027ef5016437abb738b260e4d4b1cddd120a1ac9fc84b73fdda223f462437","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"993027ef5016437abb738b260e4d4b1cddd120a1ac9fc84b73fdda223f462437","first_computed_at":"2026-05-18T00:52:35.058634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:35.058634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Mlz69sjDsbOJsHpvTEoPTnSUWrhBCcbySefNbYyrKqdaYIMbelqHLggsiq6v2tiANsaJ8YJnwEKKONyIs6QKCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:35.059138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.04814","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1045a5ef9feacf1496f7d4f36584b02e9ad2dcec8595a21a1bbae05eb58a08f","sha256:ee81417994c3e28931629ed48c33162e59bae2acff00bb6e0955e3338f352524"],"state_sha256":"995351b2b904c15e51e56e5cb4c6a6798d4259771a3934bcdb505a1344be8933"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aHDwYtrd8CdDbhYo2CQqqefzkV1vWPqngtELZM3Lg6nnUdV3pCVenFahSjNsoG0E0vVoC21y3K5QCpVS7pxWBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:26:21.888454Z","bundle_sha256":"0942560b338d32717f3afb70f2244c3c4a90e2c9e9e3aee2aebc5f35ea279059"}}