{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:GM4CQLAPC4VH34AXCVJBKNFFYS","short_pith_number":"pith:GM4CQLAP","canonical_record":{"source":{"id":"0811.2913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-11-18T14:06:52Z","cross_cats_sorted":[],"title_canon_sha256":"75ed62b79468b9dfae01e99544934ca9d408425ef333cff9219bc80337e78ac0","abstract_canon_sha256":"9721de7ff049bdf661c7c4ea230f7991a1fef0fd00dddf301219c917926333dc"},"schema_version":"1.0"},"canonical_sha256":"3338282c0f172a7df01715521534a5c4b4c0e3aa927452732c4cf7bd2d2ed1a6","source":{"kind":"arxiv","id":"0811.2913","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2913","created_at":"2026-05-18T02:15:20Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2913v1","created_at":"2026-05-18T02:15:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2913","created_at":"2026-05-18T02:15:20Z"},{"alias_kind":"pith_short_12","alias_value":"GM4CQLAPC4VH","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"GM4CQLAPC4VH34AX","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"GM4CQLAP","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:GM4CQLAPC4VH34AXCVJBKNFFYS","target":"record","payload":{"canonical_record":{"source":{"id":"0811.2913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-11-18T14:06:52Z","cross_cats_sorted":[],"title_canon_sha256":"75ed62b79468b9dfae01e99544934ca9d408425ef333cff9219bc80337e78ac0","abstract_canon_sha256":"9721de7ff049bdf661c7c4ea230f7991a1fef0fd00dddf301219c917926333dc"},"schema_version":"1.0"},"canonical_sha256":"3338282c0f172a7df01715521534a5c4b4c0e3aa927452732c4cf7bd2d2ed1a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:20.672523Z","signature_b64":"UVXOe2XUpfk+RRuVL0ARqT3qp60RygBE38PoJVs76cUGAsdLNcYwL2kFZcLuHOlaHbPE5NY+yBjAh7dQySEGDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3338282c0f172a7df01715521534a5c4b4c0e3aa927452732c4cf7bd2d2ed1a6","last_reissued_at":"2026-05-18T02:15:20.671890Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:20.671890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.2913","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":"2026-05-18T02:15:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ntiOKnbS91hL4zhuiGNcce06gVLOwYNjC4WRbt5ZYuWsXaaR/OPEUwgkfND0AhD2o9mcRjz0u6OYjHIACSQlDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:27:50.280615Z"},"content_sha256":"572738a330cc5de5ebe71bf9852ddc6ca6046913c3bceb52067d91097768f1e0","schema_version":"1.0","event_id":"sha256:572738a330cc5de5ebe71bf9852ddc6ca6046913c3bceb52067d91097768f1e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:GM4CQLAPC4VH34AXCVJBKNFFYS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local magnetization fluctuations in superconducting glasses resolved by Hall sensors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"J. Lefebvre, K. W. West, L. N. Pfeiffer, M. Hilke, Z. Altounian","submitted_at":"2008-11-18T14:06:52Z","abstract_excerpt":"We report on magnetization measurements performed on a series of Fe$_{x}$Ni$_{1-x}$Zr$_{2}$ superconducting metallic glasses with $0\\leq x\\leq0.5$ using the Hall effect of a nearby 2-dimensional electron gas (2DEG) in a GaAs/Al$_{0.33}$Ga$_{0.67}$As heterostructure as a local probe. The great sensitivity of the Hall effect of the 2DEG in such heterostructure is exploited to determine the magnetization of the superconductor due to the Meissner effect and flux trapping. The data is used to determine the lower critical field B$_{c1}$ of the superconductors as a function of temperature. Surprising"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2913","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":""},"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":"2026-05-18T02:15:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IYQbEUxQFRtHuTRfy0AMRj/sSk2tK7sLjNsre5gBiyUSHx8FyHBy5L9sdYWZLxb4oyS4+zFJyVuw3zi4Yv8rBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:27:50.281269Z"},"content_sha256":"1c3a8db3c6be5c9335bc2a54ade3d5b2851b7cd4e3d81e918d76c3603ba04cd6","schema_version":"1.0","event_id":"sha256:1c3a8db3c6be5c9335bc2a54ade3d5b2851b7cd4e3d81e918d76c3603ba04cd6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GM4CQLAPC4VH34AXCVJBKNFFYS/bundle.json","state_url":"https://pith.science/pith/GM4CQLAPC4VH34AXCVJBKNFFYS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GM4CQLAPC4VH34AXCVJBKNFFYS/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":"2026-06-05T06:27:50Z","links":{"resolver":"https://pith.science/pith/GM4CQLAPC4VH34AXCVJBKNFFYS","bundle":"https://pith.science/pith/GM4CQLAPC4VH34AXCVJBKNFFYS/bundle.json","state":"https://pith.science/pith/GM4CQLAPC4VH34AXCVJBKNFFYS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GM4CQLAPC4VH34AXCVJBKNFFYS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:GM4CQLAPC4VH34AXCVJBKNFFYS","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":"9721de7ff049bdf661c7c4ea230f7991a1fef0fd00dddf301219c917926333dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-11-18T14:06:52Z","title_canon_sha256":"75ed62b79468b9dfae01e99544934ca9d408425ef333cff9219bc80337e78ac0"},"schema_version":"1.0","source":{"id":"0811.2913","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2913","created_at":"2026-05-18T02:15:20Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2913v1","created_at":"2026-05-18T02:15:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2913","created_at":"2026-05-18T02:15:20Z"},{"alias_kind":"pith_short_12","alias_value":"GM4CQLAPC4VH","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"GM4CQLAPC4VH34AX","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"GM4CQLAP","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:1c3a8db3c6be5c9335bc2a54ade3d5b2851b7cd4e3d81e918d76c3603ba04cd6","target":"graph","created_at":"2026-05-18T02:15:20Z","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 report on magnetization measurements performed on a series of Fe$_{x}$Ni$_{1-x}$Zr$_{2}$ superconducting metallic glasses with $0\\leq x\\leq0.5$ using the Hall effect of a nearby 2-dimensional electron gas (2DEG) in a GaAs/Al$_{0.33}$Ga$_{0.67}$As heterostructure as a local probe. The great sensitivity of the Hall effect of the 2DEG in such heterostructure is exploited to determine the magnetization of the superconductor due to the Meissner effect and flux trapping. The data is used to determine the lower critical field B$_{c1}$ of the superconductors as a function of temperature. Surprising","authors_text":"J. Lefebvre, K. W. West, L. N. Pfeiffer, M. Hilke, Z. Altounian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-11-18T14:06:52Z","title":"Local magnetization fluctuations in superconducting glasses resolved by Hall sensors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2913","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":"sha256:572738a330cc5de5ebe71bf9852ddc6ca6046913c3bceb52067d91097768f1e0","target":"record","created_at":"2026-05-18T02:15:20Z","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":"9721de7ff049bdf661c7c4ea230f7991a1fef0fd00dddf301219c917926333dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-11-18T14:06:52Z","title_canon_sha256":"75ed62b79468b9dfae01e99544934ca9d408425ef333cff9219bc80337e78ac0"},"schema_version":"1.0","source":{"id":"0811.2913","kind":"arxiv","version":1}},"canonical_sha256":"3338282c0f172a7df01715521534a5c4b4c0e3aa927452732c4cf7bd2d2ed1a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3338282c0f172a7df01715521534a5c4b4c0e3aa927452732c4cf7bd2d2ed1a6","first_computed_at":"2026-05-18T02:15:20.671890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:20.671890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UVXOe2XUpfk+RRuVL0ARqT3qp60RygBE38PoJVs76cUGAsdLNcYwL2kFZcLuHOlaHbPE5NY+yBjAh7dQySEGDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:20.672523Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.2913","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:572738a330cc5de5ebe71bf9852ddc6ca6046913c3bceb52067d91097768f1e0","sha256:1c3a8db3c6be5c9335bc2a54ade3d5b2851b7cd4e3d81e918d76c3603ba04cd6"],"state_sha256":"5da25cfbc1bebd87af8ffc50c64b791591944106bf2bef953d847b7d782ad3e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VjniOv+Tnh69w7GO+TUJsVWNda2ZUUoP3UOO4vmdfHMwY1HOXUFycvncJ1q6+n1j0WePbAGZ41Tb5Jizou32Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:27:50.285074Z","bundle_sha256":"ad51876b10eab751900af74e32236a03173bf0d424041052966c7124a7cd0c35"}}