Pith Number

pith:2ODOIVOT

pith:2012:2ODOIVOTUIJ5SQRGSECT7RAMD2

not attested not anchored not stored refs pending

Upper critical field in electron-doped cuprate superconductor Nd$_{2-x}$Ce$_x$CuO$_{4+\delta}$: two-gap model

A. A. Ivanov, D. S. Petukhov, G. I. Harus, N. G. Shelushinina, T. B.Charikova, V. N. Neverov

arxiv:1212.6118 v1 · 2012-12-26 · 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{2ODOIVOTUIJ5SQRGSECT7RAMD2}

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	2026-05-18T01:52:27.466024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d386e455d3a213d9422691053fc40c1e816eaa041e492a7589ac4fa4e06865a8

Aliases

arxiv: 1212.6118 · arxiv_version: 1212.6118v1 · doi: 10.48550/arxiv.1212.6118 · pith_short_12: 2ODOIVOTUIJ5 · pith_short_16: 2ODOIVOTUIJ5SQRG · pith_short_8: 2ODOIVOT

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/2ODOIVOTUIJ5SQRGSECT7RAMD2 \
  | 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: d386e455d3a213d9422691053fc40c1e816eaa041e492a7589ac4fa4e06865a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c08c77fea1ca20a1b8b40ea076bcd0602de16292697b05638ef159b755547cf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-12-26T05:55:59Z",
    "title_canon_sha256": "b2042ec407dfc24fdc03728dbd01ec9fc0471b24b7cc3be23d1d1e284b261f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6118",
    "kind": "arxiv",
    "version": 1
  }
}