Pith Number

pith:3PUVHBT4

pith:2012:3PUVHBT4LIAI5XUIBXXYPXSNB5

not attested not anchored not stored refs pending

Evidence for nodeless superconducting gap in NaFe$_{1-x}$Co$_x$As from low-temperature thermal conductivity measurements

A. F. Wang, B. Y. Pan, S. Y. Li, S. Y. Zhou, W. N. Dong, X. C. Hong, X. G. Luo, X. H. Chen, X. L. Li, X. Qiu, Z. Zhang

arxiv:1204.3440 v2 · 2012-04-16 · 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{3PUVHBT4LIAI5XUIBXXYPXSNB5}

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	2026-05-18T01:57:52.160273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe953867c5a008ede880def87de4d0f7297bb4e966d6b711e173c806d53d149

Aliases

arxiv: 1204.3440 · arxiv_version: 1204.3440v2 · doi: 10.48550/arxiv.1204.3440 · pith_short_12: 3PUVHBT4LIAI · pith_short_16: 3PUVHBT4LIAI5XUI · pith_short_8: 3PUVHBT4

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/3PUVHBT4LIAI5XUIBXXYPXSNB5 \
  | 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: dbe953867c5a008ede880def87de4d0f7297bb4e966d6b711e173c806d53d149

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "754d4562a10f85b9ea6f0f96d763a8e6397c61b49c762a1e9186c0716f035951",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-04-16T11:07:49Z",
    "title_canon_sha256": "995e6fcfea9cab10b72e85ce735be7b09e663a5293cdebe1202803b30c6ccc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3440",
    "kind": "arxiv",
    "version": 2
  }
}