Pith Number

pith:CNRGNOLA

pith:2003:CNRGNOLADWK52UL2FQHIVOPPQM

not attested not anchored not stored refs pending

Doping Effect of Nano-Diamond on Superconductivity and Flux Pinning in MgB2

C.H. Cheng, H.M. Zeng, H. Zhang, M. Murakami, N. Koshizuka, P. Munroe, X.F. Rui, Y. Feng, Y. Zhao

arxiv:cond-mat/0302202 v1 · 2003-02-11 · 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{CNRGNOLADWK52UL2FQHIVOPPQM}

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	2026-07-04T16:38:15.583642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

136266b9601d95dd517a2c0e8ab9ef833d075313dc243e9bc94a35bb7c07cd76

Aliases

arxiv: cond-mat/0302202 · arxiv_version: cond-mat/0302202v1 · doi: 10.48550/arxiv.cond-mat/0302202 · pith_short_12: CNRGNOLADWK5 · pith_short_16: CNRGNOLADWK52UL2 · pith_short_8: CNRGNOLA

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/CNRGNOLADWK52UL2FQHIVOPPQM \
  | 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: 136266b9601d95dd517a2c0e8ab9ef833d075313dc243e9bc94a35bb7c07cd76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca7336cb8643e1c48745185677c855a089f40adeb343ac1ae662b9cb440f484",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2003-02-11T11:30:10Z",
    "title_canon_sha256": "59f95aabac6b80529cd55b5aaad95a731359353ed9822a1b4cc4949d88da5d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0302202",
    "kind": "arxiv",
    "version": 1
  }
}