Pith Number

pith:BE7R24VH

pith:2008:BE7R24VH37XAY7V3LEOMN55ELT

not attested not anchored not stored refs pending

Superconductivity at 36 K in Gadolinium-arsenide Oxides GdO$_{1-x}$F$_{x}$FeAs

Gang Mu, Hai-Hu Wen, Huan Yang, Huiqian Luo, Lei Fang, Peng Cheng, Xiyu Zhu, Zhaosheng Wang

arxiv:0804.0835 v2 · 2008-04-05 · 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{BE7R24VH37XAY7V3LEOMN55ELT}

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	2026-07-04T17:10:13.701277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

093f1d72a7dfee0c7ebb591cc6f7a45cdc66218163e4fa41c5d631766f54119c

Aliases

arxiv: 0804.0835 · arxiv_version: 0804.0835v2 · doi: 10.48550/arxiv.0804.0835 · pith_short_12: BE7R24VH37XA · pith_short_16: BE7R24VH37XAY7V3 · pith_short_8: BE7R24VH

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/BE7R24VH37XAY7V3LEOMN55ELT \
  | 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: 093f1d72a7dfee0c7ebb591cc6f7a45cdc66218163e4fa41c5d631766f54119c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3df52bc1c2244df46dda4e5e57a2eee329346b1372944cc179345d39047048",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-04-05T03:45:43Z",
    "title_canon_sha256": "3e4980fe770ec20a61324b18f952763a3697651c96e11b10d23065335f31e678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0835",
    "kind": "arxiv",
    "version": 2
  }
}