Pith Number

pith:4LCPHER2

pith:2013:4LCPHER27H5KR3EU4TCS4YXFI3

not attested not anchored not stored refs pending

Change of pairing symmetry in the iron-based superconductor KFe2As2

A. F. Wang, A. Juneau-Fecteau, F. F. Tafti, J.-Ph. Reid, Louis Taillefer, M.-E. Delage, N. Doiron-Leyraud, S. Rene de Cotret, X.-G. Luo, X. H. Chen

arxiv:1303.2961 v3 · 2013-03-12 · 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{4LCPHER27H5KR3EU4TCS4YXFI3}

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	2026-05-18T03:19:04.300218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2c4f3923af9faa8ec94e4c52e62e546c57776d914859f07e17f6bb2bd191368

Aliases

arxiv: 1303.2961 · arxiv_version: 1303.2961v3 · doi: 10.48550/arxiv.1303.2961 · pith_short_12: 4LCPHER27H5K · pith_short_16: 4LCPHER27H5KR3EU · pith_short_8: 4LCPHER2

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/4LCPHER27H5KR3EU4TCS4YXFI3 \
  | 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: e2c4f3923af9faa8ec94e4c52e62e546c57776d914859f07e17f6bb2bd191368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b73d37b35b46d07d0b03c8c2626f2e9cf2c60f71707b4597c6a410e3b35ca35",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-03-12T17:29:54Z",
    "title_canon_sha256": "fe9f02c09713fb5dcf698e1c6d3fbceda2138b4b80b41861048f5f58fe0bdf9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2961",
    "kind": "arxiv",
    "version": 3
  }
}