Pith Number

pith:4ACO6OOE

pith:2018:4ACO6OOETJBCSJ7NTT7TLQE4BD

not attested not anchored not stored refs pending

N-doped graphitic carbon materials hybridized with transition metals (compounds) for hydrogen evolution reaction: Understanding the synergistic effect from atomistic level

Jijun Zhao, Si Zhou, Wei Pei, Yizhen Bai

arxiv:1805.04231 v1 · 2018-05-11 · 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{4ACO6OOETJBCSJ7NTT7TLQE4BD}

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	2026-05-18T00:16:13.113771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e004ef39c49a422927ed9cff35c09c08e60581c4c943a46cb05b26e5268f83c7

Aliases

arxiv: 1805.04231 · arxiv_version: 1805.04231v1 · doi: 10.48550/arxiv.1805.04231 · pith_short_12: 4ACO6OOETJBC · pith_short_16: 4ACO6OOETJBCSJ7N · pith_short_8: 4ACO6OOE

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/4ACO6OOETJBCSJ7NTT7TLQE4BD \
  | 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: e004ef39c49a422927ed9cff35c09c08e60581c4c943a46cb05b26e5268f83c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa717a9fe626600914a73433911f0f8ea6834aa3078003cf554a434b87f60a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-05-11T02:59:18Z",
    "title_canon_sha256": "743203d5b858c36dd65d2361327dd3b316d3f17731760fc02859800955e48967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04231",
    "kind": "arxiv",
    "version": 1
  }
}