Pith Number

pith:337U2AHL

pith:2010:337U2AHLKLAPFMDF3LCR6FPKGY

not attested not anchored not stored refs pending

Specific Heat vs Field in the 30 K Superconductor BaFe2(As0.7P0.3)2

G. R. Stewart, J. S. Kim, P. J. Hirschfeld, S. Kasahara, T. Shibauchi, T. Terashima, Y. Matsuda

arxiv:1002.3355 v2 · 2010-02-17 · 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{337U2AHLKLAPFMDF3LCR6FPKGY}

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	2026-05-18T02:09:00.043108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deff4d00eb52c0f2b065dac51f15ea360173401709b482768c926b8e45a2f435

Aliases

arxiv: 1002.3355 · arxiv_version: 1002.3355v2 · doi: 10.48550/arxiv.1002.3355 · pith_short_12: 337U2AHLKLAP · pith_short_16: 337U2AHLKLAPFMDF · pith_short_8: 337U2AHL

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/337U2AHLKLAPFMDF3LCR6FPKGY \
  | 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: deff4d00eb52c0f2b065dac51f15ea360173401709b482768c926b8e45a2f435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe6812102fc0a027d3f3db25c31f810f376b9115d6821f492e6a52ee17fb1ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-02-17T19:57:08Z",
    "title_canon_sha256": "d34f14a7c5ad4f4c9aa481953637b9b442e84c867cd306a5a3c8cb067bc26f9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3355",
    "kind": "arxiv",
    "version": 2
  }
}