{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2Q5MJV6VXYIITX3NVBZQC6OY4R","short_pith_number":"pith:2Q5MJV6V","canonical_record":{"source":{"id":"2505.05227","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-05-08T13:18:38Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"7735e6b4bc28a152ab41ec0565dbd433529b3939f6a8d3863a76974f0291ea47","abstract_canon_sha256":"3bca49849f7c794e4f77b2ef7a4ee7218d52f0fdf0fcec8cc59167a1451cc7d3"},"schema_version":"1.0"},"canonical_sha256":"d43ac4d7d5be1089df6da8730179d8e448c3d34f103aef0e0a2a94756f544c6e","source":{"kind":"arxiv","id":"2505.05227","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.05227","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"arxiv_version","alias_value":"2505.05227v3","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.05227","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"pith_short_12","alias_value":"2Q5MJV6VXYII","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"pith_short_16","alias_value":"2Q5MJV6VXYIITX3N","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"pith_short_8","alias_value":"2Q5MJV6V","created_at":"2026-07-05T11:27:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2Q5MJV6VXYIITX3NVBZQC6OY4R","target":"record","payload":{"canonical_record":{"source":{"id":"2505.05227","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-05-08T13:18:38Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"7735e6b4bc28a152ab41ec0565dbd433529b3939f6a8d3863a76974f0291ea47","abstract_canon_sha256":"3bca49849f7c794e4f77b2ef7a4ee7218d52f0fdf0fcec8cc59167a1451cc7d3"},"schema_version":"1.0"},"canonical_sha256":"d43ac4d7d5be1089df6da8730179d8e448c3d34f103aef0e0a2a94756f544c6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:27:29.865109Z","signature_b64":"mU/2zAyvccqD1vJiGLI+9kFvJdz9LHhlBlhTJSsNIQ7DpJVTpQM3o9Xx/uutYXsKAVczugJ3BBuA6y8vWQjaBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d43ac4d7d5be1089df6da8730179d8e448c3d34f103aef0e0a2a94756f544c6e","last_reissued_at":"2026-07-05T11:27:29.864355Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:27:29.864355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.05227","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:27:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eSm4QiPwvGej8TiO8Lt0CSUGP7yJMnMNoolNIIjykaQKQkM4o+KMebdsdreh1WAMwKkwquydOR7BeBv40YL7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T04:00:55.580692Z"},"content_sha256":"635f7b0ac98800ccf5e4bfac11343836d1645f76413593e120b28df278d1f302","schema_version":"1.0","event_id":"sha256:635f7b0ac98800ccf5e4bfac11343836d1645f76413593e120b28df278d1f302"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2Q5MJV6VXYIITX3NVBZQC6OY4R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Something about the Mechanism of Induction Phenomena: The forgotten work of Berta de Haas-Lorentz on diamagnetism in superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"physics.hist-ph","authors_text":"Carlo Beenakker, Giulia Venditti, Louk Rademaker","submitted_at":"2025-05-08T13:18:38Z","abstract_excerpt":"In 1925, Dr. Geertruida Luberta \"Berta\" de Haas-Lorentz published the paper \"Iets over het mechanisme van inductieverschijnselen\" in the journal Physica. Her paper was the first to discuss perfect diamagnetism of superconductors, eight years before the discovery of the Meissner effect, when the essential difference between the two phenomena was not understood. Unfortunately, her work was almost forgotten by the scientific community. To counter this, we translate her seminal 1925 paper from Dutch into English. We provide an overview of the life of Dr. De Haas-Lorentz, and comment on her pioneer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.05227","kind":"arxiv","version":3},"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/2505.05227/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":"2026-07-05T11:27:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CQh+HIbIy1HzU/kWKec/SKKmyZdF8OjGz0YC6nQoZ24Zpv6Kvne3nQd2VZDAlhkqVuiufh+N6YjvWNV9udOUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T04:00:55.581743Z"},"content_sha256":"5270ad8add5695cdbb9236f15d4d09333237930a5e0b4320f152aec7413a2918","schema_version":"1.0","event_id":"sha256:5270ad8add5695cdbb9236f15d4d09333237930a5e0b4320f152aec7413a2918"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R/bundle.json","state_url":"https://pith.science/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R/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":"2026-08-22T04:00:55Z","links":{"resolver":"https://pith.science/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R","bundle":"https://pith.science/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R/bundle.json","state":"https://pith.science/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2Q5MJV6VXYIITX3NVBZQC6OY4R","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":"3bca49849f7c794e4f77b2ef7a4ee7218d52f0fdf0fcec8cc59167a1451cc7d3","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-05-08T13:18:38Z","title_canon_sha256":"7735e6b4bc28a152ab41ec0565dbd433529b3939f6a8d3863a76974f0291ea47"},"schema_version":"1.0","source":{"id":"2505.05227","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.05227","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"arxiv_version","alias_value":"2505.05227v3","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.05227","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"pith_short_12","alias_value":"2Q5MJV6VXYII","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"pith_short_16","alias_value":"2Q5MJV6VXYIITX3N","created_at":"2026-07-05T11:27:29Z"},{"alias_kind":"pith_short_8","alias_value":"2Q5MJV6V","created_at":"2026-07-05T11:27:29Z"}],"graph_snapshots":[{"event_id":"sha256:5270ad8add5695cdbb9236f15d4d09333237930a5e0b4320f152aec7413a2918","target":"graph","created_at":"2026-07-05T11:27:29Z","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/2505.05227/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In 1925, Dr. Geertruida Luberta \"Berta\" de Haas-Lorentz published the paper \"Iets over het mechanisme van inductieverschijnselen\" in the journal Physica. Her paper was the first to discuss perfect diamagnetism of superconductors, eight years before the discovery of the Meissner effect, when the essential difference between the two phenomena was not understood. Unfortunately, her work was almost forgotten by the scientific community. To counter this, we translate her seminal 1925 paper from Dutch into English. We provide an overview of the life of Dr. De Haas-Lorentz, and comment on her pioneer","authors_text":"Carlo Beenakker, Giulia Venditti, Louk Rademaker","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-05-08T13:18:38Z","title":"Something about the Mechanism of Induction Phenomena: The forgotten work of Berta de Haas-Lorentz on diamagnetism in superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.05227","kind":"arxiv","version":3},"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":"sha256:635f7b0ac98800ccf5e4bfac11343836d1645f76413593e120b28df278d1f302","target":"record","created_at":"2026-07-05T11:27:29Z","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":"3bca49849f7c794e4f77b2ef7a4ee7218d52f0fdf0fcec8cc59167a1451cc7d3","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-05-08T13:18:38Z","title_canon_sha256":"7735e6b4bc28a152ab41ec0565dbd433529b3939f6a8d3863a76974f0291ea47"},"schema_version":"1.0","source":{"id":"2505.05227","kind":"arxiv","version":3}},"canonical_sha256":"d43ac4d7d5be1089df6da8730179d8e448c3d34f103aef0e0a2a94756f544c6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d43ac4d7d5be1089df6da8730179d8e448c3d34f103aef0e0a2a94756f544c6e","first_computed_at":"2026-07-05T11:27:29.864355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:27:29.864355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mU/2zAyvccqD1vJiGLI+9kFvJdz9LHhlBlhTJSsNIQ7DpJVTpQM3o9Xx/uutYXsKAVczugJ3BBuA6y8vWQjaBg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:27:29.865109Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.05227","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:635f7b0ac98800ccf5e4bfac11343836d1645f76413593e120b28df278d1f302","sha256:5270ad8add5695cdbb9236f15d4d09333237930a5e0b4320f152aec7413a2918"],"state_sha256":"4f4950705285cb475e07acb15baed16f44dbb2de67fa693bd4c81e6fe7435291"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jyp8fA92TMwAxuwgmvO8+Zz3a0SgJgEixTfoOloU5opf4kKVlQBYTH+4VvroEsUmF9AR70ZC0TiSZ2TWRXmGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T04:00:55.588348Z","bundle_sha256":"c4a5b582382166c9cc6f7aa4241d7dfc23a904306d02622282034b11663a6edb"}}