{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4EKDKSBI7G7KBC5XNY4ZIFAMD5","short_pith_number":"pith:4EKDKSBI","canonical_record":{"source":{"id":"1305.7337","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-05-31T09:30:57Z","cross_cats_sorted":[],"title_canon_sha256":"aba224f3fc3786ad12c4e94f6dac1a98e748e13cba6395427597bee994aa9e85","abstract_canon_sha256":"cb19eaf2208a0e26bf199d12acac3285a4d17dbad1745b654a1ded81531e19e2"},"schema_version":"1.0"},"canonical_sha256":"e114354828f9bea08bb76e3994140c1f6aa5b56b24a5cb112a1f44f95ea14405","source":{"kind":"arxiv","id":"1305.7337","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.7337","created_at":"2026-05-18T02:56:32Z"},{"alias_kind":"arxiv_version","alias_value":"1305.7337v2","created_at":"2026-05-18T02:56:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.7337","created_at":"2026-05-18T02:56:32Z"},{"alias_kind":"pith_short_12","alias_value":"4EKDKSBI7G7K","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4EKDKSBI7G7KBC5X","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4EKDKSBI","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4EKDKSBI7G7KBC5XNY4ZIFAMD5","target":"record","payload":{"canonical_record":{"source":{"id":"1305.7337","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-05-31T09:30:57Z","cross_cats_sorted":[],"title_canon_sha256":"aba224f3fc3786ad12c4e94f6dac1a98e748e13cba6395427597bee994aa9e85","abstract_canon_sha256":"cb19eaf2208a0e26bf199d12acac3285a4d17dbad1745b654a1ded81531e19e2"},"schema_version":"1.0"},"canonical_sha256":"e114354828f9bea08bb76e3994140c1f6aa5b56b24a5cb112a1f44f95ea14405","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:32.668757Z","signature_b64":"Ua5lic3OG70tEsrWjDJfGQRLgw+rB2M6p1mZVBkhbV4Cl+pbKWPO2W7i1d3evZab/cC8IhrcWbNFmh4wW1vJCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e114354828f9bea08bb76e3994140c1f6aa5b56b24a5cb112a1f44f95ea14405","last_reissued_at":"2026-05-18T02:56:32.668029Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:32.668029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.7337","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":"2026-05-18T02:56:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DHzNYUB6yHOTDkP4wKhjir4rEe5c1xzOZxCTaC/vv7ONtN5aY2Qm0xuGin8aygc3tJIFuZtm8sIXsCGxO7fLCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:45:05.723342Z"},"content_sha256":"c901ce2a3490a65fbeb7ac25e7b1e3ece6944e69d8aafd2f475293ec29d0e6ad","schema_version":"1.0","event_id":"sha256:c901ce2a3490a65fbeb7ac25e7b1e3ece6944e69d8aafd2f475293ec29d0e6ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4EKDKSBI7G7KBC5XNY4ZIFAMD5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resources of polarimetric sensitivity in spin noise spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Greilich, D. R. Yakovlev, G. G. Kozlov, I. I. Ryzhov, M. Bayer, P. Glasenapp, V. S. Zapasskii","submitted_at":"2013-05-31T09:30:57Z","abstract_excerpt":"We attract attention to the fact that the ultimate (shot-noise-limited) polarimetric sensitivity can be enhanced by orders of magnitude leaving the photon flux incident onto the photodetector on the same low level. This opportunity is of crucial importance for present-day spin noise spectroscopy, where a direct increase of sensitivity by increasing the probe beam power is strongly restricted by the admissible input power of the broadband photodetectors. The gain in sensitivity is achieved by replacing the 45-deg polarization geometry commonly used in conventional schemes with balanced detector"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.7337","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":"2026-05-18T02:56:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wpZRoomTw6wTS8Q/iJ1nGP3fe4dcp/NMhwkfOsu7xnEvNW47gIC/XGmGj1/5QAaI6yA1v/BxoFFOCPRUygHnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:45:05.723854Z"},"content_sha256":"3dde4b3def69a357a8a99e3b981ab004f9f35862438d7ad338d2e7cea17b63b5","schema_version":"1.0","event_id":"sha256:3dde4b3def69a357a8a99e3b981ab004f9f35862438d7ad338d2e7cea17b63b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4EKDKSBI7G7KBC5XNY4ZIFAMD5/bundle.json","state_url":"https://pith.science/pith/4EKDKSBI7G7KBC5XNY4ZIFAMD5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4EKDKSBI7G7KBC5XNY4ZIFAMD5/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":"2026-05-27T12:45:05Z","links":{"resolver":"https://pith.science/pith/4EKDKSBI7G7KBC5XNY4ZIFAMD5","bundle":"https://pith.science/pith/4EKDKSBI7G7KBC5XNY4ZIFAMD5/bundle.json","state":"https://pith.science/pith/4EKDKSBI7G7KBC5XNY4ZIFAMD5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4EKDKSBI7G7KBC5XNY4ZIFAMD5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4EKDKSBI7G7KBC5XNY4ZIFAMD5","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":"cb19eaf2208a0e26bf199d12acac3285a4d17dbad1745b654a1ded81531e19e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-05-31T09:30:57Z","title_canon_sha256":"aba224f3fc3786ad12c4e94f6dac1a98e748e13cba6395427597bee994aa9e85"},"schema_version":"1.0","source":{"id":"1305.7337","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.7337","created_at":"2026-05-18T02:56:32Z"},{"alias_kind":"arxiv_version","alias_value":"1305.7337v2","created_at":"2026-05-18T02:56:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.7337","created_at":"2026-05-18T02:56:32Z"},{"alias_kind":"pith_short_12","alias_value":"4EKDKSBI7G7K","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4EKDKSBI7G7KBC5X","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4EKDKSBI","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:3dde4b3def69a357a8a99e3b981ab004f9f35862438d7ad338d2e7cea17b63b5","target":"graph","created_at":"2026-05-18T02:56:32Z","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 attract attention to the fact that the ultimate (shot-noise-limited) polarimetric sensitivity can be enhanced by orders of magnitude leaving the photon flux incident onto the photodetector on the same low level. This opportunity is of crucial importance for present-day spin noise spectroscopy, where a direct increase of sensitivity by increasing the probe beam power is strongly restricted by the admissible input power of the broadband photodetectors. The gain in sensitivity is achieved by replacing the 45-deg polarization geometry commonly used in conventional schemes with balanced detector","authors_text":"A. Greilich, D. R. Yakovlev, G. G. Kozlov, I. I. Ryzhov, M. Bayer, P. Glasenapp, V. S. Zapasskii","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-05-31T09:30:57Z","title":"Resources of polarimetric sensitivity in spin noise spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.7337","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:c901ce2a3490a65fbeb7ac25e7b1e3ece6944e69d8aafd2f475293ec29d0e6ad","target":"record","created_at":"2026-05-18T02:56:32Z","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":"cb19eaf2208a0e26bf199d12acac3285a4d17dbad1745b654a1ded81531e19e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-05-31T09:30:57Z","title_canon_sha256":"aba224f3fc3786ad12c4e94f6dac1a98e748e13cba6395427597bee994aa9e85"},"schema_version":"1.0","source":{"id":"1305.7337","kind":"arxiv","version":2}},"canonical_sha256":"e114354828f9bea08bb76e3994140c1f6aa5b56b24a5cb112a1f44f95ea14405","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e114354828f9bea08bb76e3994140c1f6aa5b56b24a5cb112a1f44f95ea14405","first_computed_at":"2026-05-18T02:56:32.668029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:56:32.668029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ua5lic3OG70tEsrWjDJfGQRLgw+rB2M6p1mZVBkhbV4Cl+pbKWPO2W7i1d3evZab/cC8IhrcWbNFmh4wW1vJCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:56:32.668757Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.7337","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c901ce2a3490a65fbeb7ac25e7b1e3ece6944e69d8aafd2f475293ec29d0e6ad","sha256:3dde4b3def69a357a8a99e3b981ab004f9f35862438d7ad338d2e7cea17b63b5"],"state_sha256":"0b4aad0dd78401d98f21f8796c7da096b615803b1763b285e1996a4b4450d12a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0KTG1eLkmfEG1z5SvtgO2OYl463HjPuWYUcHnSpNnO4u8KK3w79V4KFkyj2gaU3wnHBpSYOiYnJxj9CcZ7zdDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T12:45:05.726782Z","bundle_sha256":"37f3f4d2fa709d7732956f57c0bc9ca64971d29c3784372d90fb375d50533dc9"}}