Pith Number

pith:MMCPZXWI

pith:2021:MMCPZXWIERVK6WP4WRGVZKYNHK

not attested not anchored not stored refs pending

Data cluster analysis and machine learning for classification of twisted bilayer graphene

Hiroki Ago, Kenji Kawahara, Olga Kazakova, Tom Vincent, Vladimir Antonov

arxiv:2107.08919 v1 · 2021-07-19 · cond-mat.mtrl-sci · cond-mat.mes-hall · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMCPZXWIERVK6WP4WRGVZKYNHK}

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	2026-07-05T05:03:49.486472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6304fcdec8246aaf59fcb44d5cab0d3aa3e9f8a31ff18189b2206f010cd569fa

Aliases

arxiv: 2107.08919 · arxiv_version: 2107.08919v1 · doi: 10.48550/arxiv.2107.08919 · pith_short_12: MMCPZXWIERVK · pith_short_16: MMCPZXWIERVK6WP4 · pith_short_8: MMCPZXWI

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/MMCPZXWIERVK6WP4WRGVZKYNHK \
  | 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: 6304fcdec8246aaf59fcb44d5cab0d3aa3e9f8a31ff18189b2206f010cd569fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21729d37fe44de73421a31a5c84b492cfd842e5d606923e1b37028376a774377",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-07-19T14:31:42Z",
    "title_canon_sha256": "866c3ab4905913759e30bcf2246e53f510c80cc82bdddbe29bb26d4af88c6e88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08919",
    "kind": "arxiv",
    "version": 1
  }
}