Pith Number

pith:NBFNINBV

pith:2019:NBFNINBVEIO4EW7ZPPCNZB5IHK

not attested not anchored not stored refs pending

Superconducting boron doped nanocrystalline diamond on boron nitride ceramics

Henry A. Bland, Jerome A. Cuenca, Malcolm Snowball, Oliver A. Williams, Soumen Mandal

arxiv:1905.02979 v1 · 2019-05-08 · cond-mat.supr-con · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBFNINBVEIO4EW7ZPPCNZB5IHK}

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	2026-05-17T23:43:22.973255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684ad43435221dc25bf97bc4dc87a83aafdda00ce0b2c707b8dfbadd8da8cfa6

Aliases

arxiv: 1905.02979 · arxiv_version: 1905.02979v1 · doi: 10.48550/arxiv.1905.02979 · pith_short_12: NBFNINBVEIO4 · pith_short_16: NBFNINBVEIO4EW7Z · pith_short_8: NBFNINBV

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/NBFNINBVEIO4EW7ZPPCNZB5IHK \
  | 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: 684ad43435221dc25bf97bc4dc87a83aafdda00ce0b2c707b8dfbadd8da8cfa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df6b5c5b96b3c29bcf163a76a3646a3b1f92b9634e6c3cdf6651529fe5bacfd8",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-05-08T09:41:17Z",
    "title_canon_sha256": "ca99bb54339e85ddb5648d0877c2848b1eb2ac0916c45d27e8a20487d31dd449"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02979",
    "kind": "arxiv",
    "version": 1
  }
}