Pith Number

pith:R4I7KW3Y

pith:2014:R4I7KW3YQEDEXOQBFCPETKTEQK

not attested not anchored not stored refs pending

Black phosphorus field-effect transistors

Donglai Feng, Guo Jun Ye, Hua Wu, Likai Li, Qingqin Ge, Xian Hui Chen, Xuedong Ou, Yijun Yu, Yuanbo Zhang

arxiv:1401.4117 v1 · 2014-01-16 · 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{R4I7KW3YQEDEXOQBFCPETKTEQK}

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	2026-05-18T01:45:24.735198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f11f55b7881064bba01289e49aa6482a2feee1c71245171637a797c4c03890e

Aliases

arxiv: 1401.4117 · arxiv_version: 1401.4117v1 · doi: 10.48550/arxiv.1401.4117 · pith_short_12: R4I7KW3YQEDE · pith_short_16: R4I7KW3YQEDEXOQB · pith_short_8: R4I7KW3Y

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/R4I7KW3YQEDEXOQBFCPETKTEQK \
  | 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: 8f11f55b7881064bba01289e49aa6482a2feee1c71245171637a797c4c03890e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f54821260be92cfe5c3e3096fd32af0858c96bb46851e10aa31a39554111825",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-01-16T18:21:21Z",
    "title_canon_sha256": "7764cc1a48f0997cdac6bf546cf98a594ea775c0c37a7634785a0f389430dd9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4117",
    "kind": "arxiv",
    "version": 1
  }
}