Pith Number

pith:BMK7YBHG

pith:2001:BMK7YBHGMX2MFRPPLLXLOVJ2Z6

not attested not anchored not stored refs pending

The upper critical field in superconducting MgB_2

A. Handstein, D. Eckert, G. Fuchs, K.-H. M\"uller, K. Nenkov, V.N. Narozhnyi

arxiv:cond-mat/0102517 v1 · 2001-02-28 · 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{BMK7YBHGMX2MFRPPLLXLOVJ2Z6}

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	2026-05-18T02:40:24.725218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b15fc04e665f4c2c5ef5aeeb7553acfa219e99369571d05cd7cc110482570ad

Aliases

arxiv: cond-mat/0102517 · arxiv_version: cond-mat/0102517v1 · doi: 10.48550/arxiv.cond-mat/0102517 · pith_short_12: BMK7YBHGMX2M · pith_short_16: BMK7YBHGMX2MFRPP · pith_short_8: BMK7YBHG

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/BMK7YBHGMX2MFRPPLLXLOVJ2Z6 \
  | 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: 0b15fc04e665f4c2c5ef5aeeb7553acfa219e99369571d05cd7cc110482570ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd06e057028f74a84f58d83e4a1f3a103acf47798b0a4bd7cba4c12656693d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2001-02-28T14:12:24Z",
    "title_canon_sha256": "43acfc660acc63a1fe1d7bd71c5a7a4b82f3d1c412aea32c10bf60b151d8a367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0102517",
    "kind": "arxiv",
    "version": 1
  }
}