Pith Number

pith:2Q5MJV6V

pith:2025:2Q5MJV6VXYIITX3NVBZQC6OY4R

not attested not anchored not stored refs pending

Something about the Mechanism of Induction Phenomena: The forgotten work of Berta de Haas-Lorentz on diamagnetism in superconductors

Carlo Beenakker, Giulia Venditti, Louk Rademaker

arxiv:2505.05227 v3 · 2025-05-08 · physics.hist-ph · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Q5MJV6VXYIITX3NVBZQC6OY4R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:27:29.864355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d43ac4d7d5be1089df6da8730179d8e448c3d34f103aef0e0a2a94756f544c6e

Aliases

arxiv: 2505.05227 · arxiv_version: 2505.05227v3 · doi: 10.48550/arxiv.2505.05227 · pith_short_12: 2Q5MJV6VXYII · pith_short_16: 2Q5MJV6VXYIITX3N · pith_short_8: 2Q5MJV6V

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2Q5MJV6VXYIITX3NVBZQC6OY4R \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d43ac4d7d5be1089df6da8730179d8e448c3d34f103aef0e0a2a94756f544c6e

Canonical record JSON

{
  "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
  }
}