Pith Number

pith:KMLSS3T5

pith:2021:KMLSS3T5UH634VOL2QEE6ZPURQ

not attested not anchored not stored refs pending

Superconductivity in infinite-layer nickelate La$_{1-x}$Ca$_x$NiO$_2$ thin films

A. Ariando, C. J. Li, C. S. Tang, J. X. Hu, L. E. Chow, P. Yang, S. W. Zeng, X. M. Yin, Y. Cao, Z. S. Lim, Z. T. Zhang

arxiv:2105.13492 v2 · 2021-05-27 · cond-mat.supr-con · cond-mat.mes-hall · 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{KMLSS3T5UH634VOL2QEE6ZPURQ}

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	2026-07-05T03:59:39.115518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5317296e7da1fdbe55cbd4084f65f48c09d3dfc9dc6b1b9d6d97cb7238c0ee80

Aliases

arxiv: 2105.13492 · arxiv_version: 2105.13492v2 · doi: 10.48550/arxiv.2105.13492 · pith_short_12: KMLSS3T5UH63 · pith_short_16: KMLSS3T5UH634VOL · pith_short_8: KMLSS3T5

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/KMLSS3T5UH634VOL2QEE6ZPURQ \
  | 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: 5317296e7da1fdbe55cbd4084f65f48c09d3dfc9dc6b1b9d6d97cb7238c0ee80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ad38f244746d41b02bebef79948adfc10dc556c79a5f037579284f37e62609",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "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": "2021-05-27T22:58:12Z",
    "title_canon_sha256": "695a8f723ea3eb4eeb978e4e1b2aa228361f8979c0d9110ca112b36f03b08d61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13492",
    "kind": "arxiv",
    "version": 2
  }
}