Pith Number

pith:A3O7PYA5

pith:2022:A3O7PYA5JFLQI3UYH32QL7WGPI

not attested not anchored not stored refs pending

On the walk matrix of the Dynkin graph $D_n$

Chuanming Wang, Songlin Guo, Wei Wang

arxiv:2202.13279 v1 · 2022-02-27 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3O7PYA5JFLQI3UYH32QL7WGPI}

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	2026-07-05T04:00:28.103436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06ddf7e01d4957046e983ef505fec67a013944f556d299e6d4f183861fbf3770

Aliases

arxiv: 2202.13279 · arxiv_version: 2202.13279v1 · doi: 10.48550/arxiv.2202.13279 · pith_short_12: A3O7PYA5JFLQ · pith_short_16: A3O7PYA5JFLQI3UY · pith_short_8: A3O7PYA5

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/A3O7PYA5JFLQI3UYH32QL7WGPI \
  | 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: 06ddf7e01d4957046e983ef505fec67a013944f556d299e6d4f183861fbf3770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d342e97c5909c59d63152f449520dccc2f7097eb6684a15d6908d8d483735444",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-02-27T03:20:46Z",
    "title_canon_sha256": "6284458de42878b6b9efc82a940c3849576d628075e55f342767a6062d0c964b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13279",
    "kind": "arxiv",
    "version": 1
  }
}