Pith Number

pith:RR7WRZTD

pith:2015:RR7WRZTDBTZFF2FNKWKBHSLUOR

not attested not anchored not stored refs pending

Nodeless superconductivity in the presence of spin-density wave in pnictide superconductors: The case of BaFe$_{2-x}$Ni$_{x}$As$_{2}$

Christoph Bergmann, Chun-Gang Duan, Cornelius Krellner, Huiqian Luo, Jun Zhao, Mahmoud Abdel-Hafiez, Pengcheng Dai, Xiao-Jia Chen, Xingye Lu, Yuanyuan Zhang, Zheng He

arxiv:1501.01655 v1 · 2015-01-07 · cond-mat.supr-con · cond-mat.mtrl-sci · 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{RR7WRZTDBTZFF2FNKWKBHSLUOR}

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	2026-05-18T01:41:13.918813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7f68e6630cf252e8ad559413c9747443dab2eb82ea73f28712da2bbde7efcf

Aliases

arxiv: 1501.01655 · arxiv_version: 1501.01655v1 · doi: 10.48550/arxiv.1501.01655 · pith_short_12: RR7WRZTDBTZF · pith_short_16: RR7WRZTDBTZFF2FN · pith_short_8: RR7WRZTD

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/RR7WRZTDBTZFF2FNKWKBHSLUOR \
  | 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: 8c7f68e6630cf252e8ad559413c9747443dab2eb82ea73f28712da2bbde7efcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9ab686579a982efd2bfb550383f88a028d9e3819b1c857546359e643fd0e522",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-01-07T21:33:34Z",
    "title_canon_sha256": "61e73c9a2ed2442c023e74c2d73d80f89ed1149e6a85a42b5e340b955da898ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01655",
    "kind": "arxiv",
    "version": 1
  }
}