Pith Number

pith:CN2XKQXJ

pith:2014:CN2XKQXJY636O72Z5N2DHMETRE

not attested not anchored not stored refs pending

Correlation between Fermi surface transformations and superconductivity in the electron-doped high-$T_c$ superconductor Nd$_{2-x}$Ce$_x$CuO$_4$

A. Erb, B. Vignolle, C. Proust, C. Putzke, E. Kampert, E.-S. Choi, I. Sheikin, J. S. Brooks, J. Wosnitza, M. V. Kartsovnik, N. Bittner, R. Gross, T. Helm, W. Biberacher

arxiv:1403.7398 v2 · 2014-03-28 · cond-mat.str-el · 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{CN2XKQXJY636O72Z5N2DHMETRE}

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	2026-05-18T01:32:57.906360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13757542e9c7b7e77f59eb7433b0938916746965587bc33803d59c11f0c779fd

Aliases

arxiv: 1403.7398 · arxiv_version: 1403.7398v2 · doi: 10.48550/arxiv.1403.7398 · pith_short_12: CN2XKQXJY636 · pith_short_16: CN2XKQXJY636O72Z · pith_short_8: CN2XKQXJ

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/CN2XKQXJY636O72Z5N2DHMETRE \
  | 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: 13757542e9c7b7e77f59eb7433b0938916746965587bc33803d59c11f0c779fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b2e2274f2527b2fd6915b1e5c18096d6b3604073efba580250cbdd69bfd417",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2014-03-28T14:41:41Z",
    "title_canon_sha256": "22e6e4926a190145869ec82cde53c25da3c157d7cdce91282003e44ee80d87e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7398",
    "kind": "arxiv",
    "version": 2
  }
}