Pith Number

pith:4GFUZURH

pith:2008:4GFUZURHXOWJLFN2ZWVH5NNGKP

not attested not anchored not stored refs pending

Superconductivity at 25 K in hole doped $(La_{1-x}Sr_x)OFeAs$

Gang Mu, Hai-Hu Wen, Huan Yang, Lei Fang, Xiyu Zhu

arxiv:0803.3021 v2 · 2008-03-20 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GFUZURHXOWJLFN2ZWVH5NNGKP}

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	2026-07-04T15:10:27.125959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e18b4cd227bbac9595bacdaa7eb5a653edb138fccc48990647b48e97ba97b82d

Aliases

arxiv: 0803.3021 · arxiv_version: 0803.3021v2 · doi: 10.48550/arxiv.0803.3021 · pith_short_12: 4GFUZURHXOWJ · pith_short_16: 4GFUZURHXOWJLFN2 · pith_short_8: 4GFUZURH

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/4GFUZURHXOWJLFN2ZWVH5NNGKP \
  | 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: e18b4cd227bbac9595bacdaa7eb5a653edb138fccc48990647b48e97ba97b82d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a72f7f1ae9fe94a65303185d2603f7bafcb18db46def2f75241b3537d552caf2",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-03-20T16:11:26Z",
    "title_canon_sha256": "bc4cb0c96aac9d8ff1a30df4bd6ceabe8a3ff10048e89a383021645a57d10275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3021",
    "kind": "arxiv",
    "version": 2
  }
}