Pith Number

pith:QLWEV4MI

pith:2013:QLWEV4MIMM4YIMOLRVUPXBMBJ6

not attested not anchored not stored refs pending

Properties of single-layer graphene doped by nitrogen with different concentrations

Chuilin Wang, Shaojing Qin, Zongguo Wang

arxiv:1304.7445 v1 · 2013-04-28 · 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{QLWEV4MIMM4YIMOLRVUPXBMBJ6}

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	2026-05-18T00:56:52.028432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ec4af18863398431cb8d68fb85814f985003aac2f6094c5c9016f2125185a5

Aliases

arxiv: 1304.7445 · arxiv_version: 1304.7445v1 · doi: 10.48550/arxiv.1304.7445 · pith_short_12: QLWEV4MIMM4Y · pith_short_16: QLWEV4MIMM4YIMOL · pith_short_8: QLWEV4MI

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/QLWEV4MIMM4YIMOLRVUPXBMBJ6 \
  | 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: 82ec4af18863398431cb8d68fb85814f985003aac2f6094c5c9016f2125185a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e810a4ae5de7977e4e7ebb40f70dc8385f3adbf8ba34848892ebfcf8fd8d3467",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-04-28T09:38:24Z",
    "title_canon_sha256": "2da93a996724a0a57dce8bafbc1fb4cd290472af9982434bc2f0433ef4424eb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7445",
    "kind": "arxiv",
    "version": 1
  }
}