Pith Number

pith:UGILR22N

pith:2001:UGILR22NS4VHL5BHSLZJD6HPID

not attested not anchored not stored refs pending

Improved superconducting properties in nanocrystalline bulk MgB_2

A. G\"umbel, G. Fuchs, J. Eckert, K.-H. M\"uller, K. Nenkov, L. Schultz

arxiv:cond-mat/0111585 v1 · 2001-11-30 · 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{UGILR22NS4VHL5BHSLZJD6HPID}

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	2026-07-04T16:26:43.524840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a190b8eb4d972a75f42792f291f8ef40e8d84ff39e4873823de0445644a5f1ea

Aliases

arxiv: cond-mat/0111585 · arxiv_version: cond-mat/0111585v1 · doi: 10.48550/arxiv.cond-mat/0111585 · pith_short_12: UGILR22NS4VH · pith_short_16: UGILR22NS4VHL5BH · pith_short_8: UGILR22N

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/UGILR22NS4VHL5BHSLZJD6HPID \
  | 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: a190b8eb4d972a75f42792f291f8ef40e8d84ff39e4873823de0445644a5f1ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de2a59ee7f6724414c4c63ff16f54feb76a34d894b72e638b9914ef93a976b6c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2001-11-30T15:32:42Z",
    "title_canon_sha256": "a56333164500d83f7c4f94a61369234d88158342fca4bb8f46633bb850445332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0111585",
    "kind": "arxiv",
    "version": 1
  }
}