Pith Number

pith:BQ37Z72Q

pith:2001:BQ37Z72QN6IGH5SOKCEOK7J2YO

not attested not anchored not stored refs pending

Upper critical field and irreversibility line in superconducting MgB_2

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

arxiv:cond-mat/0104088 v1 · 2001-04-05 · 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{BQ37Z72QN6IGH5SOKCEOK7J2YO}

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	2026-07-04T16:25:21.433149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c37fcff506f9063f64e5088e57d3ac3b9a30cf92a5d2f9855b086265bac0b10

Aliases

arxiv: cond-mat/0104088 · arxiv_version: cond-mat/0104088v1 · doi: 10.48550/arxiv.cond-mat/0104088 · pith_short_12: BQ37Z72QN6IG · pith_short_16: BQ37Z72QN6IGH5SO · pith_short_8: BQ37Z72Q

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/BQ37Z72QN6IGH5SOKCEOK7J2YO \
  | 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: 0c37fcff506f9063f64e5088e57d3ac3b9a30cf92a5d2f9855b086265bac0b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01bc1d3b22bd42cb3214eb2fb4f11f5ca9e99f934fe7e185e91efc3147b65a2a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2001-04-05T09:29:06Z",
    "title_canon_sha256": "8fbc5bd10b86fc852257034e55abddd0f0626b467cef0b60165846ad4cb53df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0104088",
    "kind": "arxiv",
    "version": 1
  }
}