Pith Number

pith:BPTYEIW3

pith:2014:BPTYEIW3I2VFEUDFZAGZPGNX26

not attested not anchored not stored refs pending

Controllable growth of 1-7 layers of graphene by chemical vapour deposition

Chunming Xu, Fan Yang, Haitao Yang, Hongwen Liu, Liqiang Zhang, Pierre Richard, Shangfei Wu, Yongfeng Li, Zhen Zhao, Zhiqiang Tu, Zhuchen Liu

arxiv:1406.2159 v1 · 2014-06-09 · 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{BPTYEIW3I2VFEUDFZAGZPGNX26}

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	2026-05-18T02:50:11.424342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be78222db46aa525065c80d9799b7d794f10878171e64159f152eb643c72c5a

Aliases

arxiv: 1406.2159 · arxiv_version: 1406.2159v1 · doi: 10.48550/arxiv.1406.2159 · pith_short_12: BPTYEIW3I2VF · pith_short_16: BPTYEIW3I2VFEUDF · pith_short_8: BPTYEIW3

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/BPTYEIW3I2VFEUDFZAGZPGNX26 \
  | 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: 0be78222db46aa525065c80d9799b7d794f10878171e64159f152eb643c72c5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc02cace0a20d593c8fa426858f58e8e737f574875ff8a566a94e887b7d5e149",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-06-09T12:53:52Z",
    "title_canon_sha256": "d0c1c0470d9e733021f2abbb052e3612d1c92953823d1e36343052702f2e64c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2159",
    "kind": "arxiv",
    "version": 1
  }
}