{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PM4YJPIYTYUZXDC4R5B3QLTI26","short_pith_number":"pith:PM4YJPIY","canonical_record":{"source":{"id":"1508.07383","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-29T00:54:28Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics","quant-ph"],"title_canon_sha256":"1dd16316ab85ebd9a21c4b7fcd1bb220858d3cdf938ca25fa04562fca6733270","abstract_canon_sha256":"4969a97c956c4bb607228dfc541adf7c98e4b3ad4d99e08d20059667bb43e0e1"},"schema_version":"1.0"},"canonical_sha256":"7b3984bd189e299b8c5c8f43b82e68d78d636230b1471ca50f34d32600f83ee0","source":{"kind":"arxiv","id":"1508.07383","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.07383","created_at":"2026-05-18T00:04:32Z"},{"alias_kind":"arxiv_version","alias_value":"1508.07383v2","created_at":"2026-05-18T00:04:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.07383","created_at":"2026-05-18T00:04:32Z"},{"alias_kind":"pith_short_12","alias_value":"PM4YJPIYTYUZ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PM4YJPIYTYUZXDC4","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PM4YJPIY","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PM4YJPIYTYUZXDC4R5B3QLTI26","target":"record","payload":{"canonical_record":{"source":{"id":"1508.07383","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-29T00:54:28Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics","quant-ph"],"title_canon_sha256":"1dd16316ab85ebd9a21c4b7fcd1bb220858d3cdf938ca25fa04562fca6733270","abstract_canon_sha256":"4969a97c956c4bb607228dfc541adf7c98e4b3ad4d99e08d20059667bb43e0e1"},"schema_version":"1.0"},"canonical_sha256":"7b3984bd189e299b8c5c8f43b82e68d78d636230b1471ca50f34d32600f83ee0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:32.847151Z","signature_b64":"6VZdSuxSOj49ddh7kK1k0ky6mlUz6LXZQSUGbrf2klccSkeaVl/kR9IQLCwFb6JO1qsfL1rdn8kHRhEj9ShNCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b3984bd189e299b8c5c8f43b82e68d78d636230b1471ca50f34d32600f83ee0","last_reissued_at":"2026-05-18T00:04:32.846496Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:32.846496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.07383","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":"2026-05-18T00:04:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i2SKrP+tJwj7lSDr6QlsUuBIxMb+kIPG/ZH+K12VxuCMgc7NGHeOsD/jXLTiJoeAhMdC6KmuCwvWUavk6Z4bCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:55:09.207062Z"},"content_sha256":"f08cb286f1304f58d15be4782e05bd1539ddbffcc2bec7f6c0aa5ecd562a9d32","schema_version":"1.0","event_id":"sha256:f08cb286f1304f58d15be4782e05bd1539ddbffcc2bec7f6c0aa5ecd562a9d32"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PM4YJPIYTYUZXDC4R5B3QLTI26","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resonant and Time-Resolved Spin Noise Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.optics","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Brennan C. Pursley, Vanessa Sih, Xinlin Song","submitted_at":"2015-08-29T00:54:28Z","abstract_excerpt":"We demonstrate a method to extend the range of pulsed laser spin noise measurements to long spin lifetimes. We use an analog time-domain detection scheme with a bandwidth limited only by laser pulse duration. Our model uses statistics and Bloch-Torrey equations to extract the Lande g-factor, Faraday cross-section $\\sigma_F$, and spin lifetime $\\tau_S$, while accounting for finite detector response. Varying the magnetic field with a fixed probe-probe delay yields $\\tau_S$ when it is longer than the laser repetition period. Varying the probe-probe delay with a fixed field produces a time-domain "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.07383","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":""},"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":"2026-05-18T00:04:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"71pEoiMblmxdOFmGk+/KbiZX6ZEjJlxnXgi9UGlDDS+4uKWrGmLxFwhx/YqKly5hocPKouSAK/8UyTOb7VcWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:55:09.207428Z"},"content_sha256":"e526227781ca0aeb68428ecc13b2b266ca577487efc305be7efcd1fa9983c6fc","schema_version":"1.0","event_id":"sha256:e526227781ca0aeb68428ecc13b2b266ca577487efc305be7efcd1fa9983c6fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PM4YJPIYTYUZXDC4R5B3QLTI26/bundle.json","state_url":"https://pith.science/pith/PM4YJPIYTYUZXDC4R5B3QLTI26/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PM4YJPIYTYUZXDC4R5B3QLTI26/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":"2026-05-28T14:55:09Z","links":{"resolver":"https://pith.science/pith/PM4YJPIYTYUZXDC4R5B3QLTI26","bundle":"https://pith.science/pith/PM4YJPIYTYUZXDC4R5B3QLTI26/bundle.json","state":"https://pith.science/pith/PM4YJPIYTYUZXDC4R5B3QLTI26/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PM4YJPIYTYUZXDC4R5B3QLTI26/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PM4YJPIYTYUZXDC4R5B3QLTI26","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":"4969a97c956c4bb607228dfc541adf7c98e4b3ad4d99e08d20059667bb43e0e1","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-29T00:54:28Z","title_canon_sha256":"1dd16316ab85ebd9a21c4b7fcd1bb220858d3cdf938ca25fa04562fca6733270"},"schema_version":"1.0","source":{"id":"1508.07383","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.07383","created_at":"2026-05-18T00:04:32Z"},{"alias_kind":"arxiv_version","alias_value":"1508.07383v2","created_at":"2026-05-18T00:04:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.07383","created_at":"2026-05-18T00:04:32Z"},{"alias_kind":"pith_short_12","alias_value":"PM4YJPIYTYUZ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PM4YJPIYTYUZXDC4","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PM4YJPIY","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:e526227781ca0aeb68428ecc13b2b266ca577487efc305be7efcd1fa9983c6fc","target":"graph","created_at":"2026-05-18T00:04:32Z","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 demonstrate a method to extend the range of pulsed laser spin noise measurements to long spin lifetimes. We use an analog time-domain detection scheme with a bandwidth limited only by laser pulse duration. Our model uses statistics and Bloch-Torrey equations to extract the Lande g-factor, Faraday cross-section $\\sigma_F$, and spin lifetime $\\tau_S$, while accounting for finite detector response. Varying the magnetic field with a fixed probe-probe delay yields $\\tau_S$ when it is longer than the laser repetition period. Varying the probe-probe delay with a fixed field produces a time-domain ","authors_text":"Brennan C. Pursley, Vanessa Sih, Xinlin Song","cross_cats":["cond-mat.mtrl-sci","physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-29T00:54:28Z","title":"Resonant and Time-Resolved Spin Noise Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.07383","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:f08cb286f1304f58d15be4782e05bd1539ddbffcc2bec7f6c0aa5ecd562a9d32","target":"record","created_at":"2026-05-18T00:04:32Z","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":"4969a97c956c4bb607228dfc541adf7c98e4b3ad4d99e08d20059667bb43e0e1","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-29T00:54:28Z","title_canon_sha256":"1dd16316ab85ebd9a21c4b7fcd1bb220858d3cdf938ca25fa04562fca6733270"},"schema_version":"1.0","source":{"id":"1508.07383","kind":"arxiv","version":2}},"canonical_sha256":"7b3984bd189e299b8c5c8f43b82e68d78d636230b1471ca50f34d32600f83ee0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b3984bd189e299b8c5c8f43b82e68d78d636230b1471ca50f34d32600f83ee0","first_computed_at":"2026-05-18T00:04:32.846496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:32.846496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6VZdSuxSOj49ddh7kK1k0ky6mlUz6LXZQSUGbrf2klccSkeaVl/kR9IQLCwFb6JO1qsfL1rdn8kHRhEj9ShNCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:32.847151Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.07383","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f08cb286f1304f58d15be4782e05bd1539ddbffcc2bec7f6c0aa5ecd562a9d32","sha256:e526227781ca0aeb68428ecc13b2b266ca577487efc305be7efcd1fa9983c6fc"],"state_sha256":"666d80980546341b1d76fb16b67be64e73a06336b1158f583de12c57694a5d0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t1zEHnY8+x01cwpJ94LmCBBLQi/rw+PehtHCBYKLsCzCCvaSLQsdlEQ/dca3facG/zkrtR0X9RDAFyBV9RqpAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:55:09.209392Z","bundle_sha256":"f94ccd30e4bc37f9fdbf59274dc7218a33f59342d88a5172d39ca2808e947f72"}}