Pith Number

pith:DJJ4IFNQ

pith:2022:DJJ4IFNQUSAWZWHDZNLV6QVPE3

not attested not anchored not stored refs pending

Nanoscale Fabrication of Graphene by Hydrogen-Plasma Etching

Masahiro Hara, Masahiro Kamada, Rin Takehara, Taisuke Ochi, Takamoto Yokosawa, Tomohiro Matsui, Yuki Koga

arxiv:2203.05155 v3 · 2022-03-10 · cond-mat.mes-hall · 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{DJJ4IFNQUSAWZWHDZNLV6QVPE3}

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	2026-07-05T04:51:06.989223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a53c415b0a4816cd8e3cb575f42af26fdef89dd30e70e4e5a52933bd026e8dc

Aliases

arxiv: 2203.05155 · arxiv_version: 2203.05155v3 · doi: 10.48550/arxiv.2203.05155 · pith_short_12: DJJ4IFNQUSAW · pith_short_16: DJJ4IFNQUSAWZWHD · pith_short_8: DJJ4IFNQ

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/DJJ4IFNQUSAWZWHDZNLV6QVPE3 \
  | 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: 1a53c415b0a4816cd8e3cb575f42af26fdef89dd30e70e4e5a52933bd026e8dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72fa9491978e0c4f9389525a5ab570a4e3739a0695d777ae01f32e5c2e9e320e",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2022-03-10T04:54:36Z",
    "title_canon_sha256": "4570def678beff006d4bca78caf9f3872cfd056826a8b50b9a2fafa40cde3a1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.05155",
    "kind": "arxiv",
    "version": 3
  }
}