Pith Number

pith:FMFQKOQA

pith:2014:FMFQKOQA4WQOZJBDJTI663BCWB

not attested not anchored not stored refs pending

Observation of a van Hove singularity and implication for strong coupling induced Cooper pairing in KFe2As2

Aifeng Wang, Delong Fang, Hai-Hu Wen, Hong Ding, Huan Yang, Jiangping Hu, M. Hoesch, Peng Zhang, Pierre Richard, Tian Qian, T. K. Kim, Xianhui Chen, Xiaxin Ding, Xun Shi, X.X.Wu, Zengyi Du, Zhenyu Wang

arxiv:1412.0945 v2 · 2014-12-02 · 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{FMFQKOQA4WQOZJBDJTI663BCWB}

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	2026-05-18T01:27:08.022677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b0b053a00e5a0eca4234cd1ef6c22b056af4df3ea958fc3a055627c86a36d88

Aliases

arxiv: 1412.0945 · arxiv_version: 1412.0945v2 · doi: 10.48550/arxiv.1412.0945 · pith_short_12: FMFQKOQA4WQO · pith_short_16: FMFQKOQA4WQOZJBD · pith_short_8: FMFQKOQA

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/FMFQKOQA4WQOZJBDJTI663BCWB \
  | 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: 2b0b053a00e5a0eca4234cd1ef6c22b056af4df3ea958fc3a055627c86a36d88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "149b3e10044135ceeb23c0d700510c846ce9e04d404b924da736b4edd905938d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-12-02T15:34:41Z",
    "title_canon_sha256": "fe92eea371b26c77a5ce3700b0150fe47a258cce4b2a3ca283332d6051aabb14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0945",
    "kind": "arxiv",
    "version": 2
  }
}