Pith Number

pith:E2VZDAYQ

pith:2020:E2VZDAYQT6TRKREI2OCH2GIJFW

not attested not anchored not stored refs pending

Superconductivity induced by structural reorganization in the electron-doped cuprate Nd$_{2-x}$Ce$_x$CuO$_4$

Adolfo Avella, Angela Nigro, Anita Guarino, Antonio Leo, Carmine Autieri, Gaia Grimaldi, Pasquale Marra

arxiv:2012.13399 v2 · 2020-12-24 · 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{E2VZDAYQT6TRKREI2OCH2GIJFW}

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	2026-07-05T03:55:46.870451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ab9183109fa7154488d3847d19092d99478f083027494a6a9404f9630a8351

Aliases

arxiv: 2012.13399 · arxiv_version: 2012.13399v2 · doi: 10.48550/arxiv.2012.13399 · pith_short_12: E2VZDAYQT6TR · pith_short_16: E2VZDAYQT6TRKREI · pith_short_8: E2VZDAYQ

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/E2VZDAYQT6TRKREI2OCH2GIJFW \
  | 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: 26ab9183109fa7154488d3847d19092d99478f083027494a6a9404f9630a8351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "817efed101ee1446760c80f667f9451af3742fd5074224e39cbe03c5813cc0c5",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2020-12-24T18:59:34Z",
    "title_canon_sha256": "db2fba9ed3267829c96995694a3753231c45f476ab082f3f639d8470757e2f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.13399",
    "kind": "arxiv",
    "version": 2
  }
}