{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:S7PCRDABJGXGBT45MX6VBP7ETB","short_pith_number":"pith:S7PCRDAB","canonical_record":{"source":{"id":"2403.13110","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-19T19:20:45Z","cross_cats_sorted":[],"title_canon_sha256":"5dfe152158283cdf2a4954be25041a3ebe18214c6c65c15a0eda41c8ac632462","abstract_canon_sha256":"fed3131a80dbd41856dfb10a3afbb7f1a62f5c2a1b9f609f5770317ab0792f4d"},"schema_version":"1.0"},"canonical_sha256":"97de288c0149ae60cf9d65fd50bfe4986b82e40ac7a821b658299d37b472578b","source":{"kind":"arxiv","id":"2403.13110","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.13110","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"2403.13110v2","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.13110","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"S7PCRDABJGXG","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"S7PCRDABJGXGBT45","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"S7PCRDAB","created_at":"2026-07-05T09:17:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:S7PCRDABJGXGBT45MX6VBP7ETB","target":"record","payload":{"canonical_record":{"source":{"id":"2403.13110","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-19T19:20:45Z","cross_cats_sorted":[],"title_canon_sha256":"5dfe152158283cdf2a4954be25041a3ebe18214c6c65c15a0eda41c8ac632462","abstract_canon_sha256":"fed3131a80dbd41856dfb10a3afbb7f1a62f5c2a1b9f609f5770317ab0792f4d"},"schema_version":"1.0"},"canonical_sha256":"97de288c0149ae60cf9d65fd50bfe4986b82e40ac7a821b658299d37b472578b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:17:38.783306Z","signature_b64":"7rDA/3XeSJkpJ6RrGP9+fj7g+oJi7Lqv4QmDQ4qwqJ9iNV0f2WrIn+gCk5oefVKKV9Z5Xxs283y5NB+2gEi8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97de288c0149ae60cf9d65fd50bfe4986b82e40ac7a821b658299d37b472578b","last_reissued_at":"2026-07-05T09:17:38.782760Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:17:38.782760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.13110","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0RfVltBCWBxUtqb3EAtuV91G2KffT7LQhKugjzd1kSgTjDnV6ChVB35qgS82XOg0zORdDBEpeZ6cvSYdhy0rAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T03:10:58.523144Z"},"content_sha256":"9f3d510d4db2b77967f92d9d7c0291817fbedc60574802e51ed6d265ff46f424","schema_version":"1.0","event_id":"sha256:9f3d510d4db2b77967f92d9d7c0291817fbedc60574802e51ed6d265ff46f424"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:S7PCRDABJGXGBT45MX6VBP7ETB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single-Shot Readout and Weak Measurement of a Tin-Vacancy Qubit in Diamond","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Abigail J. Stein, Alison E. Rugar, Christopher P. Anderson, Daniel Riedel, Edward S. Bielejec, Eric I. Rosenthal, Giovanni Scuri, Hannah C. Kleidermacher, Hope Lee, Jakob Grzesik, Jelena Vuckovic, Joonhee Choi, Michael Titze, Shahriar Aghaeimeibodi, Souvik Biswas","submitted_at":"2024-03-19T19:20:45Z","abstract_excerpt":"The negatively charged tin-vacancy center in diamond (SnV$^-$) is an emerging platform for building the next generation of long-distance quantum networks. This is due to the SnV$^-$'s favorable optical and spin properties including bright emission, insensitivity to electronic noise, and long spin coherence times at temperatures above 1 Kelvin. Here, we demonstrate measurement of a single SnV$^-$ electronic spin with a single-shot readout fidelity of $87.4\\%$, which can be further improved to $98.5\\%$ by conditioning on multiple readouts. We show this performance is compatible with rapid microw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.13110","kind":"arxiv","version":2},"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/2403.13110/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":"2026-07-05T09:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4/8TQwnCHQx0ymMdsU3ErG576xqWJmGs2rh/9463Yi/sRse5YJdf4KMWREFBirSaDcR/anvHSENAHpC2W2VxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T03:10:58.523635Z"},"content_sha256":"b0d5e88c5704b908a4b9e1850bef42fa8b333bd041198a40e88f13d32e3548c1","schema_version":"1.0","event_id":"sha256:b0d5e88c5704b908a4b9e1850bef42fa8b333bd041198a40e88f13d32e3548c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S7PCRDABJGXGBT45MX6VBP7ETB/bundle.json","state_url":"https://pith.science/pith/S7PCRDABJGXGBT45MX6VBP7ETB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S7PCRDABJGXGBT45MX6VBP7ETB/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":"2026-08-08T03:10:58Z","links":{"resolver":"https://pith.science/pith/S7PCRDABJGXGBT45MX6VBP7ETB","bundle":"https://pith.science/pith/S7PCRDABJGXGBT45MX6VBP7ETB/bundle.json","state":"https://pith.science/pith/S7PCRDABJGXGBT45MX6VBP7ETB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S7PCRDABJGXGBT45MX6VBP7ETB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:S7PCRDABJGXGBT45MX6VBP7ETB","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":"fed3131a80dbd41856dfb10a3afbb7f1a62f5c2a1b9f609f5770317ab0792f4d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-19T19:20:45Z","title_canon_sha256":"5dfe152158283cdf2a4954be25041a3ebe18214c6c65c15a0eda41c8ac632462"},"schema_version":"1.0","source":{"id":"2403.13110","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.13110","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"2403.13110v2","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.13110","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"S7PCRDABJGXG","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"S7PCRDABJGXGBT45","created_at":"2026-07-05T09:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"S7PCRDAB","created_at":"2026-07-05T09:17:38Z"}],"graph_snapshots":[{"event_id":"sha256:b0d5e88c5704b908a4b9e1850bef42fa8b333bd041198a40e88f13d32e3548c1","target":"graph","created_at":"2026-07-05T09:17:38Z","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/2403.13110/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The negatively charged tin-vacancy center in diamond (SnV$^-$) is an emerging platform for building the next generation of long-distance quantum networks. This is due to the SnV$^-$'s favorable optical and spin properties including bright emission, insensitivity to electronic noise, and long spin coherence times at temperatures above 1 Kelvin. Here, we demonstrate measurement of a single SnV$^-$ electronic spin with a single-shot readout fidelity of $87.4\\%$, which can be further improved to $98.5\\%$ by conditioning on multiple readouts. We show this performance is compatible with rapid microw","authors_text":"Abigail J. Stein, Alison E. Rugar, Christopher P. Anderson, Daniel Riedel, Edward S. Bielejec, Eric I. Rosenthal, Giovanni Scuri, Hannah C. Kleidermacher, Hope Lee, Jakob Grzesik, Jelena Vuckovic, Joonhee Choi, Michael Titze, Shahriar Aghaeimeibodi, Souvik Biswas","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-19T19:20:45Z","title":"Single-Shot Readout and Weak Measurement of a Tin-Vacancy Qubit in Diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.13110","kind":"arxiv","version":2},"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":"sha256:9f3d510d4db2b77967f92d9d7c0291817fbedc60574802e51ed6d265ff46f424","target":"record","created_at":"2026-07-05T09:17:38Z","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":"fed3131a80dbd41856dfb10a3afbb7f1a62f5c2a1b9f609f5770317ab0792f4d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-19T19:20:45Z","title_canon_sha256":"5dfe152158283cdf2a4954be25041a3ebe18214c6c65c15a0eda41c8ac632462"},"schema_version":"1.0","source":{"id":"2403.13110","kind":"arxiv","version":2}},"canonical_sha256":"97de288c0149ae60cf9d65fd50bfe4986b82e40ac7a821b658299d37b472578b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97de288c0149ae60cf9d65fd50bfe4986b82e40ac7a821b658299d37b472578b","first_computed_at":"2026-07-05T09:17:38.782760Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:17:38.782760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7rDA/3XeSJkpJ6RrGP9+fj7g+oJi7Lqv4QmDQ4qwqJ9iNV0f2WrIn+gCk5oefVKKV9Z5Xxs283y5NB+2gEi8BA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:17:38.783306Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.13110","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f3d510d4db2b77967f92d9d7c0291817fbedc60574802e51ed6d265ff46f424","sha256:b0d5e88c5704b908a4b9e1850bef42fa8b333bd041198a40e88f13d32e3548c1"],"state_sha256":"537cd1284a3f1a3c47613f2ea0bbdd3d1e40eced907efbe6b4a9e31c4ea4db99"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"71g7Qm/8Ie27MOfVtxYmGA/tizN9GuQdC6dByhoDkmsi+WCUlgMyvD2Vp7pMc9R1wBL9AtGAzEzo+ZTFuycCBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T03:10:58.527403Z","bundle_sha256":"94f40f6d625eb11acfa5c179a30dc631e932b2653665706f6ada21e429ec42fa"}}