Pith Number

pith:CLM7NRNR

pith:2014:CLM7NRNRTW6WPEUCYG22VG4FKW

not attested not anchored not stored refs pending

Specific heat of K071Na0.29Fe2As2 at very low temperatures

A. Fleischmann, A. Reifenberger, C. Enss, M. Abdel-Hafiez, M. Hempel, P. Vogt, R. Klingeler, S. Aswartham, S.-L. Drechsler, S. Wurmehl, V. Grinenko

arxiv:1405.2521 v1 · 2014-05-11 · 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{CLM7NRNRTW6WPEUCYG22VG4FKW}

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	2026-05-18T02:52:05.359019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12d9f6c5b19dbd679282c1b5aa9b8555a5444a3e558dccf497ba32f8f567fbfe

Aliases

arxiv: 1405.2521 · arxiv_version: 1405.2521v1 · doi: 10.48550/arxiv.1405.2521 · pith_short_12: CLM7NRNRTW6W · pith_short_16: CLM7NRNRTW6WPEUC · pith_short_8: CLM7NRNR

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/CLM7NRNRTW6WPEUCYG22VG4FKW \
  | 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: 12d9f6c5b19dbd679282c1b5aa9b8555a5444a3e558dccf497ba32f8f567fbfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eb5ab3c0536c1c0b3e0c35c7b10a0d0ce042eddae6eee00aabacdaeca48856b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-05-11T11:26:18Z",
    "title_canon_sha256": "ea04eb60c2942e960a9262702b71c230c5bcbced56dd1604263a5772ac368a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2521",
    "kind": "arxiv",
    "version": 1
  }
}