{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:SYEEM4MGMFZ4LIFR5HCQIE755O","short_pith_number":"pith:SYEEM4MG","canonical_record":{"source":{"id":"2602.05301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-02-05T04:51:50Z","cross_cats_sorted":[],"title_canon_sha256":"6b2dab20d9ef83edbae51eb2b4b39f22f1209cafcedaf56da8cb0f2879be05c8","abstract_canon_sha256":"b0ab1a1b0f78d3dab355ea40cdde45d59967ebc90cce0502b04435b5c2b5cf1d"},"schema_version":"1.0"},"canonical_sha256":"96084671866173c5a0b1e9c50413fdeb8d3fa62a2d7dd7fadf94525214970436","source":{"kind":"arxiv","id":"2602.05301","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.05301","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"arxiv_version","alias_value":"2602.05301v1","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.05301","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"pith_short_12","alias_value":"SYEEM4MGMFZ4","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"pith_short_16","alias_value":"SYEEM4MGMFZ4LIFR","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"pith_short_8","alias_value":"SYEEM4MG","created_at":"2026-06-26T01:15:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:SYEEM4MGMFZ4LIFR5HCQIE755O","target":"record","payload":{"canonical_record":{"source":{"id":"2602.05301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-02-05T04:51:50Z","cross_cats_sorted":[],"title_canon_sha256":"6b2dab20d9ef83edbae51eb2b4b39f22f1209cafcedaf56da8cb0f2879be05c8","abstract_canon_sha256":"b0ab1a1b0f78d3dab355ea40cdde45d59967ebc90cce0502b04435b5c2b5cf1d"},"schema_version":"1.0"},"canonical_sha256":"96084671866173c5a0b1e9c50413fdeb8d3fa62a2d7dd7fadf94525214970436","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T01:15:49.039113Z","signature_b64":"CEQRLtOfRccH9gqN8Ofn787V9lu1oHYF3sBd68x0c9aokRWrcep36syYLJtjVXnd/3jzUxY5sldb7nzUm4TWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96084671866173c5a0b1e9c50413fdeb8d3fa62a2d7dd7fadf94525214970436","last_reissued_at":"2026-06-26T01:15:49.038614Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T01:15:49.038614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.05301","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":"2026-06-26T01:15:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JiH9EFhxbwYSk/+fNOmguYusm3zoo9Z7dDKNVdUaxWRv5Ah+tlLAshWJ45wqC5EPL7oXqzhah/qGm5Erz061DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T05:34:24.321484Z"},"content_sha256":"55c116f8b66df89d7cc79e8ae3f34e2fc1bad07e5303cad6892b71bc6b11e0b4","schema_version":"1.0","event_id":"sha256:55c116f8b66df89d7cc79e8ae3f34e2fc1bad07e5303cad6892b71bc6b11e0b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:SYEEM4MGMFZ4LIFR5HCQIE755O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-wavelength Spin Dynamics of Defects in Hexagonal Boron Nitride","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Benjamin Whitefield, Igor Aharonovich, Ivan Zhigulin, Jean-Philippe Tetienne, Mehran Kianinia, Nicholas P. Sloane","submitted_at":"2026-02-05T04:51:50Z","abstract_excerpt":"Optically addressable solid-state spin defects are essential platforms for quantum sensing and information processing. Recently, single spin defects with combined S = 1 and S = 1/2 spin transitions were discovered in hexagonal boron nitride (hBN). In this work we unveil their excitation dynamics. In particular, we study the effects of the excitation wavelength on the spin-dependent fluorescence and the spin dynamics of these peculiar quantum spin defects. We find that changing the excitation wavelength leads to a threefold enhancement in both the optically detected magnetic resonance (ODMR) co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.05301","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.05301/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":"2026-06-26T01:15:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZBh+UC1evFgWDAndABOlhmU8N0O4Wdpxas5CmJd8bNcP+23tmPDIWjvg85mTP1B0vqCmIr25++SxWyEWHFA1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T05:34:24.321881Z"},"content_sha256":"92f27dd49b03b096d146e829a73aa7f093bf6ad4f2c0cd6599b0df365b0659ae","schema_version":"1.0","event_id":"sha256:92f27dd49b03b096d146e829a73aa7f093bf6ad4f2c0cd6599b0df365b0659ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SYEEM4MGMFZ4LIFR5HCQIE755O/bundle.json","state_url":"https://pith.science/pith/SYEEM4MGMFZ4LIFR5HCQIE755O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SYEEM4MGMFZ4LIFR5HCQIE755O/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":"2026-06-27T05:34:24Z","links":{"resolver":"https://pith.science/pith/SYEEM4MGMFZ4LIFR5HCQIE755O","bundle":"https://pith.science/pith/SYEEM4MGMFZ4LIFR5HCQIE755O/bundle.json","state":"https://pith.science/pith/SYEEM4MGMFZ4LIFR5HCQIE755O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SYEEM4MGMFZ4LIFR5HCQIE755O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SYEEM4MGMFZ4LIFR5HCQIE755O","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":"b0ab1a1b0f78d3dab355ea40cdde45d59967ebc90cce0502b04435b5c2b5cf1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-02-05T04:51:50Z","title_canon_sha256":"6b2dab20d9ef83edbae51eb2b4b39f22f1209cafcedaf56da8cb0f2879be05c8"},"schema_version":"1.0","source":{"id":"2602.05301","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.05301","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"arxiv_version","alias_value":"2602.05301v1","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.05301","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"pith_short_12","alias_value":"SYEEM4MGMFZ4","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"pith_short_16","alias_value":"SYEEM4MGMFZ4LIFR","created_at":"2026-06-26T01:15:49Z"},{"alias_kind":"pith_short_8","alias_value":"SYEEM4MG","created_at":"2026-06-26T01:15:49Z"}],"graph_snapshots":[{"event_id":"sha256:92f27dd49b03b096d146e829a73aa7f093bf6ad4f2c0cd6599b0df365b0659ae","target":"graph","created_at":"2026-06-26T01:15:49Z","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/2602.05301/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optically addressable solid-state spin defects are essential platforms for quantum sensing and information processing. Recently, single spin defects with combined S = 1 and S = 1/2 spin transitions were discovered in hexagonal boron nitride (hBN). In this work we unveil their excitation dynamics. In particular, we study the effects of the excitation wavelength on the spin-dependent fluorescence and the spin dynamics of these peculiar quantum spin defects. We find that changing the excitation wavelength leads to a threefold enhancement in both the optically detected magnetic resonance (ODMR) co","authors_text":"Benjamin Whitefield, Igor Aharonovich, Ivan Zhigulin, Jean-Philippe Tetienne, Mehran Kianinia, Nicholas P. Sloane","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-02-05T04:51:50Z","title":"Multi-wavelength Spin Dynamics of Defects in Hexagonal Boron Nitride"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.05301","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":"sha256:55c116f8b66df89d7cc79e8ae3f34e2fc1bad07e5303cad6892b71bc6b11e0b4","target":"record","created_at":"2026-06-26T01:15:49Z","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":"b0ab1a1b0f78d3dab355ea40cdde45d59967ebc90cce0502b04435b5c2b5cf1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-02-05T04:51:50Z","title_canon_sha256":"6b2dab20d9ef83edbae51eb2b4b39f22f1209cafcedaf56da8cb0f2879be05c8"},"schema_version":"1.0","source":{"id":"2602.05301","kind":"arxiv","version":1}},"canonical_sha256":"96084671866173c5a0b1e9c50413fdeb8d3fa62a2d7dd7fadf94525214970436","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96084671866173c5a0b1e9c50413fdeb8d3fa62a2d7dd7fadf94525214970436","first_computed_at":"2026-06-26T01:15:49.038614Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T01:15:49.038614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CEQRLtOfRccH9gqN8Ofn787V9lu1oHYF3sBd68x0c9aokRWrcep36syYLJtjVXnd/3jzUxY5sldb7nzUm4TWDQ==","signature_status":"signed_v1","signed_at":"2026-06-26T01:15:49.039113Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.05301","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55c116f8b66df89d7cc79e8ae3f34e2fc1bad07e5303cad6892b71bc6b11e0b4","sha256:92f27dd49b03b096d146e829a73aa7f093bf6ad4f2c0cd6599b0df365b0659ae"],"state_sha256":"9c3c95be9c195e0968b9d5f3dae51595e6af21927830cf0ee851239e1ed4abfc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+l56DpR0rzd7s/YLe/c/NS260woVhaHfkoFpMW7BtDxV8HjB6eRQVw6AF8LDWv5Rjp87Fl9hhcm9ls9qu+u+Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T05:34:24.323903Z","bundle_sha256":"8b65dfabca4712b5c36711427d2e3b9817f6dc56d5dbbac7116a8934b2dc1c32"}}