Pith Number

pith:UJEWV6V5

pith:2011:UJEWV6V5P6I5GDZH2S6CZQH7GI

not attested not anchored not stored refs pending

Nodeless superconductivity in K$_x$Fe$_{2-y}$Se$_2$ single crystals revealed by low temperature specific heat

Bing Shen, Bin Zeng, Chunhong Li, Duming Wang, Genfu Chen, Hai-Hu Wen, Jianbao He

arxiv:1101.5117 v1 · 2011-01-26 · 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{UJEWV6V5P6I5GDZH2S6CZQH7GI}

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	2026-05-18T04:23:56.169222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2496afabd7f91d30f27d4bc2cc0ff32339ed434b1ae7f9b75170f4178b1a5cb

Aliases

arxiv: 1101.5117 · arxiv_version: 1101.5117v1 · doi: 10.48550/arxiv.1101.5117 · pith_short_12: UJEWV6V5P6I5 · pith_short_16: UJEWV6V5P6I5GDZH · pith_short_8: UJEWV6V5

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/UJEWV6V5P6I5GDZH2S6CZQH7GI \
  | 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: a2496afabd7f91d30f27d4bc2cc0ff32339ed434b1ae7f9b75170f4178b1a5cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce4312c7df7d5dab38000125691b26b162376f537e87b4f55f4920b39df9cb24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-01-26T17:38:50Z",
    "title_canon_sha256": "d6bd30872e48cec0b7f7579ad61e61ac9c4317ce0bc4e294f7ea8ce63cf477d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5117",
    "kind": "arxiv",
    "version": 1
  }
}