Pith Number

pith:JUM2I6HT

pith:2010:JUM2I6HT5FYQKTWHCZMZ5HWTJM

not attested not anchored not stored refs pending

Evidence of a universal and isotropic 2\Delta/kBTC ratio in 122-type iron pnictide superconductors over a wide doping range

Ichiro Takeuchi, Johnpierre Paglione, Kee Hoon Kim, Kevin Kirshenbaum, Liqin Yan, Nicholas P. Butch, Richard L. Greene, Shanta R. Saha, Xiaohang Zhang, Yong Liu, Yoon Seok Oh

arxiv:1004.1445 v2 · 2010-04-09 · 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{JUM2I6HT5FYQKTWHCZMZ5HWTJM}

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	2026-05-18T04:42:44.517211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d19a478f3e971054ec716599e9ed34b2284d9e78f119057c3c4f39f9c72b15b

Aliases

arxiv: 1004.1445 · arxiv_version: 1004.1445v2 · doi: 10.48550/arxiv.1004.1445 · pith_short_12: JUM2I6HT5FYQ · pith_short_16: JUM2I6HT5FYQKTWH · pith_short_8: JUM2I6HT

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/JUM2I6HT5FYQKTWHCZMZ5HWTJM \
  | 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: 4d19a478f3e971054ec716599e9ed34b2284d9e78f119057c3c4f39f9c72b15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be96546cba44de6f165df0875c61467b4bdf36bee20b9269175185ca382b48a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-04-09T00:01:39Z",
    "title_canon_sha256": "e1de258b9bb45fcf2934cfb743e43fe48276caf0ba04708dd17e3b2c4d16329f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1445",
    "kind": "arxiv",
    "version": 2
  }
}