Pith Number

pith:4WUAKKXD

pith:2012:4WUAKKXDVWMSQA3D6FXFIQZOYG

not attested not anchored not stored refs pending

First-principles study of a novel superhard boron nitride phase

Chaoyu He, C. X. Zhang, Jianxin Zhong, K. W. Zhang, L. Z. Sun, Xiangyang Peng

arxiv:1204.2188 v2 · 2012-04-10 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WUAKKXDVWMSQA3D6FXFIQZOYG}

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	2026-05-18T03:53:54.116161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a8052ae3ad99280363f16e54432ec180c0fb5f792f353e01aa85556a2929f3

Aliases

arxiv: 1204.2188 · arxiv_version: 1204.2188v2 · doi: 10.48550/arxiv.1204.2188 · pith_short_12: 4WUAKKXDVWMS · pith_short_16: 4WUAKKXDVWMSQA3D · pith_short_8: 4WUAKKXD

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/4WUAKKXDVWMSQA3D6FXFIQZOYG \
  | 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: e5a8052ae3ad99280363f16e54432ec180c0fb5f792f353e01aa85556a2929f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea72d94c0de8551fc2796815f12fe23ab7804e3a4e27cb3cb8c2137d3e86bb84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-04-10T15:26:56Z",
    "title_canon_sha256": "796124da7b0823975c75654892a85c67e691317825abc31e35b70abb6da74498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2188",
    "kind": "arxiv",
    "version": 2
  }
}