{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:5KGTC4P54GZJA7ZGYMPTVMN7GU","short_pith_number":"pith:5KGTC4P5","canonical_record":{"source":{"id":"cond-mat/0703174","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-03-07T09:17:18Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"457a1ab8fc9d24a1284137c58d296a48f57641c38f746db00e9b1b8f45fb992c","abstract_canon_sha256":"36e7b4b58281d2ee594c1d583ce91da9337820741c26e80d50db92bdff32df9f"},"schema_version":"1.0"},"canonical_sha256":"ea8d3171fde1b2907f26c31f3ab1bf3502d50017ef29e2e69681abb569883ea4","source":{"kind":"arxiv","id":"cond-mat/0703174","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0703174","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0703174v1","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0703174","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"pith_short_12","alias_value":"5KGTC4P54GZJ","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"pith_short_16","alias_value":"5KGTC4P54GZJA7ZG","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"pith_short_8","alias_value":"5KGTC4P5","created_at":"2026-07-04T15:00:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:5KGTC4P54GZJA7ZGYMPTVMN7GU","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0703174","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-03-07T09:17:18Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"457a1ab8fc9d24a1284137c58d296a48f57641c38f746db00e9b1b8f45fb992c","abstract_canon_sha256":"36e7b4b58281d2ee594c1d583ce91da9337820741c26e80d50db92bdff32df9f"},"schema_version":"1.0"},"canonical_sha256":"ea8d3171fde1b2907f26c31f3ab1bf3502d50017ef29e2e69681abb569883ea4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:00:53.043114Z","signature_b64":"/cY3IhpVS752IGvpG/Cl0jPOM1c1e3cuAZkAew3WILjzVOKUmEgBG3zfn0HcV+Gt4qgbQ8ssuwxGhgrDgJUXCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea8d3171fde1b2907f26c31f3ab1bf3502d50017ef29e2e69681abb569883ea4","last_reissued_at":"2026-07-04T15:00:53.042710Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:00:53.042710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0703174","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":"2026-07-04T15:00:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V0WX57RNRz5sPXRFWaS/ahGZ5q2byiG6xsrkWF7ULE7ueSXEsRFZn9w5W9ee7RkbtgHxZbVFFD0XqYOM3iuEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:15:00.745460Z"},"content_sha256":"167b5ecb4df005ddb7796206ef1d5b090055259047f7c77fdb2dd06ece87365d","schema_version":"1.0","event_id":"sha256:167b5ecb4df005ddb7796206ef1d5b090055259047f7c77fdb2dd06ece87365d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:5KGTC4P54GZJA7ZGYMPTVMN7GU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant Vortices Below the Surface of NbSe$_2$ Detected Using Low Energy $\\beta$-NMR","license":"","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"C.D.P. Levy, D. Wang, G.D. Morris, H. Saadaoui, K. H. Chow, M.D. Hossain, M. Smadella, R.F. Kiefl, R.I. Miller, S.R. Kreitzman, T.A. Keeler, T.J. Parolin, W.A. MacFarlane, Z. Salman","submitted_at":"2007-03-07T09:17:18Z","abstract_excerpt":"A low energy radioactive beam of polarized $^8$Li has been used to observe the vortex lattice near the surface of superconducting NbSe$_2$. The inhomogeneous magnetic field distribution associated with the vortex lattice was measured using depth-resolved $\\beta$-detected NMR. Below $T_c$ one observes the characteristic lineshape for a triangular vortex lattice which depends on the magnetic penetration depth and vortex core radius. The size of the vortex core varies strongly with magnetic field. In particular in a low field of 10.8 mT the core radius is much larger than the coherence length. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0703174","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/cond-mat/0703174/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":"2026-07-04T15:00:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aKXamKn5jYDkyKIi45hiIAi/h0YL8tS8SV4c6lOIv6wjWMd2te8sTp7rPxaR6q67JPNVIS7gHVzwrbk/1T9oBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:15:00.746520Z"},"content_sha256":"8dcde846d25991ad01addfa9c2235c6bec68c40f6f0b43dbbb84c252f624cf0b","schema_version":"1.0","event_id":"sha256:8dcde846d25991ad01addfa9c2235c6bec68c40f6f0b43dbbb84c252f624cf0b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5KGTC4P54GZJA7ZGYMPTVMN7GU/bundle.json","state_url":"https://pith.science/pith/5KGTC4P54GZJA7ZGYMPTVMN7GU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5KGTC4P54GZJA7ZGYMPTVMN7GU/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":"2026-08-09T00:15:00Z","links":{"resolver":"https://pith.science/pith/5KGTC4P54GZJA7ZGYMPTVMN7GU","bundle":"https://pith.science/pith/5KGTC4P54GZJA7ZGYMPTVMN7GU/bundle.json","state":"https://pith.science/pith/5KGTC4P54GZJA7ZGYMPTVMN7GU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5KGTC4P54GZJA7ZGYMPTVMN7GU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:5KGTC4P54GZJA7ZGYMPTVMN7GU","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":"36e7b4b58281d2ee594c1d583ce91da9337820741c26e80d50db92bdff32df9f","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-03-07T09:17:18Z","title_canon_sha256":"457a1ab8fc9d24a1284137c58d296a48f57641c38f746db00e9b1b8f45fb992c"},"schema_version":"1.0","source":{"id":"cond-mat/0703174","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0703174","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0703174v1","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0703174","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"pith_short_12","alias_value":"5KGTC4P54GZJ","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"pith_short_16","alias_value":"5KGTC4P54GZJA7ZG","created_at":"2026-07-04T15:00:53Z"},{"alias_kind":"pith_short_8","alias_value":"5KGTC4P5","created_at":"2026-07-04T15:00:53Z"}],"graph_snapshots":[{"event_id":"sha256:8dcde846d25991ad01addfa9c2235c6bec68c40f6f0b43dbbb84c252f624cf0b","target":"graph","created_at":"2026-07-04T15:00:53Z","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/cond-mat/0703174/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A low energy radioactive beam of polarized $^8$Li has been used to observe the vortex lattice near the surface of superconducting NbSe$_2$. The inhomogeneous magnetic field distribution associated with the vortex lattice was measured using depth-resolved $\\beta$-detected NMR. Below $T_c$ one observes the characteristic lineshape for a triangular vortex lattice which depends on the magnetic penetration depth and vortex core radius. The size of the vortex core varies strongly with magnetic field. In particular in a low field of 10.8 mT the core radius is much larger than the coherence length. Th","authors_text":"C.D.P. Levy, D. Wang, G.D. Morris, H. Saadaoui, K. H. Chow, M.D. Hossain, M. Smadella, R.F. Kiefl, R.I. Miller, S.R. Kreitzman, T.A. Keeler, T.J. Parolin, W.A. MacFarlane, Z. Salman","cross_cats":["cond-mat.supr-con"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-03-07T09:17:18Z","title":"Giant Vortices Below the Surface of NbSe$_2$ Detected Using Low Energy $\\beta$-NMR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0703174","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":"sha256:167b5ecb4df005ddb7796206ef1d5b090055259047f7c77fdb2dd06ece87365d","target":"record","created_at":"2026-07-04T15:00:53Z","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":"36e7b4b58281d2ee594c1d583ce91da9337820741c26e80d50db92bdff32df9f","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-03-07T09:17:18Z","title_canon_sha256":"457a1ab8fc9d24a1284137c58d296a48f57641c38f746db00e9b1b8f45fb992c"},"schema_version":"1.0","source":{"id":"cond-mat/0703174","kind":"arxiv","version":1}},"canonical_sha256":"ea8d3171fde1b2907f26c31f3ab1bf3502d50017ef29e2e69681abb569883ea4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea8d3171fde1b2907f26c31f3ab1bf3502d50017ef29e2e69681abb569883ea4","first_computed_at":"2026-07-04T15:00:53.042710Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:00:53.042710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/cY3IhpVS752IGvpG/Cl0jPOM1c1e3cuAZkAew3WILjzVOKUmEgBG3zfn0HcV+Gt4qgbQ8ssuwxGhgrDgJUXCA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:00:53.043114Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0703174","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:167b5ecb4df005ddb7796206ef1d5b090055259047f7c77fdb2dd06ece87365d","sha256:8dcde846d25991ad01addfa9c2235c6bec68c40f6f0b43dbbb84c252f624cf0b"],"state_sha256":"4b12bf0c99922d8423eaa4d45c1c76bf76d5bac2fa35b2debd648b5a7be0a0d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bsJxhbDw5iN0JHWKjUD/GOO38Bxp7NY7U5Pc/4YoxtFp/7AQNOJkRkHLUzWWncgDqj1gejHwAXx5PsIsEZPRBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T00:15:00.750417Z","bundle_sha256":"0094f8c0d5779ba15088c852f7887bec4931c8a68309c9b6c30feb471e3a079a"}}