Pith Number

pith:K74B5BFD

pith:2012:K74B5BFDOHPHQWAJJ7IX3QXSDV

not attested not anchored not stored refs pending

The Fractional London Equation and The Fractional Pippard Model For Superconductors

Jos\'e Weberszpil

arxiv:1207.5478 v1 · 2012-07-23 · cond-mat.supr-con · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K74B5BFDOHPHQWAJJ7IX3QXSDV}

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	2026-05-18T03:50:23.338714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f81e84a371de7858094fd17dc2f21d61e0ef8e0cfa492de96835a329154752

Aliases

arxiv: 1207.5478 · arxiv_version: 1207.5478v1 · doi: 10.48550/arxiv.1207.5478 · pith_short_12: K74B5BFDOHPH · pith_short_16: K74B5BFDOHPHQWAJ · pith_short_8: K74B5BFD

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/K74B5BFDOHPHQWAJJ7IX3QXSDV \
  | 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: 57f81e84a371de7858094fd17dc2f21d61e0ef8e0cfa492de96835a329154752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed8196767222a328d430395df5671452f799d1360312eb27fe788266a22d3ff",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-07-23T18:31:37Z",
    "title_canon_sha256": "d78be666fe41dc37273424bf607fe2728487552132659f79ace6af4f1a0b5dd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5478",
    "kind": "arxiv",
    "version": 1
  }
}