Pith Number

pith:WC4SQK5H

pith:2020:WC4SQK5HJC5TGGTOV7EAFQ422W

not attested not anchored not stored refs pending

Mass Production of Two-Dimensional Materials by Intermediate-Assisted Grinding Exfoliation

Bilu Liu, Chi Zhang, Hui-Ming Cheng, Junyang Tan, Xiaolong Zou, Xingke Cai, Yikun Pan

arxiv:2007.06921 v1 · 2020-07-14 · physics.app-ph · 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{WC4SQK5HJC5TGGTOV7EAFQ422W}

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	2026-07-05T01:18:25.153166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b9282ba748bb331a6eafc802c39ad5a78c0375d337764e859f32582cdbb4c9

Aliases

arxiv: 2007.06921 · arxiv_version: 2007.06921v1 · doi: 10.48550/arxiv.2007.06921 · pith_short_12: WC4SQK5HJC5T · pith_short_16: WC4SQK5HJC5TGGTO · pith_short_8: WC4SQK5H

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/WC4SQK5HJC5TGGTOV7EAFQ422W \
  | 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: b0b9282ba748bb331a6eafc802c39ad5a78c0375d337764e859f32582cdbb4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d4e2506b5d4d48eb6677e0e51276264196c02860c621884bdec7b5f3e9dc966",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-07-14T09:10:15Z",
    "title_canon_sha256": "93c68165b3be8394d1ee4c09f8a27abdefa01fecc857031813ab4d8d09c50eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06921",
    "kind": "arxiv",
    "version": 1
  }
}