Pith Number

pith:WSZWHRAG

pith:2009:WSZWHRAGX63VDMVK5FTITERUII

not attested not anchored not stored refs pending

Ni$_2$X$_2$ (X=pnictide, chalcogenide, or B) Based Superconductors

A.S. Sefat, D. Mandrus, E.D. Bauer, F. Ronning, J.D. Thompson, N. Kurita, R. Movshovich, T. Klimczuk, T. Park

arxiv:0902.4423 v1 · 2009-02-25 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSZWHRAGX63VDMVK5FTITERUII}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:14:38.940607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b363c406bfb751b2aae966899234420fbda1a41d32099784249eb4ac357f84

Aliases

arxiv: 0902.4423 · arxiv_version: 0902.4423v1 · doi: 10.48550/arxiv.0902.4423 · pith_short_12: WSZWHRAGX63V · pith_short_16: WSZWHRAGX63VDMVK · pith_short_8: WSZWHRAG

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/WSZWHRAGX63VDMVK5FTITERUII \
  | 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: b4b363c406bfb751b2aae966899234420fbda1a41d32099784249eb4ac357f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df92d4b8a2b869dbca2e54ca3bfd83d5538242b133fe36f65d52952f5ce16531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-02-25T17:03:29Z",
    "title_canon_sha256": "8a8177f022a9d53117214e36c03dfe07459584c9f65e8dbe53c3661ed4814366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4423",
    "kind": "arxiv",
    "version": 1
  }
}