Pith Number

pith:EV2YEDLD

pith:2018:EV2YEDLDOP3BHHKGNOFKDAMAVM

not attested not anchored not stored refs pending

Alternating Path and Coloured Clustering

Leizhen Cai, On Yin LEUNG

arxiv:1807.10531 v1 · 2018-07-27 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EV2YEDLDOP3BHHKGNOFKDAMAVM}

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	2026-05-18T00:09:40.315777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2575820d6373f6139d466b8aa18180ab0a7348d26a38a050366dc497dbc1e773

Aliases

arxiv: 1807.10531 · arxiv_version: 1807.10531v1 · doi: 10.48550/arxiv.1807.10531 · pith_short_12: EV2YEDLDOP3B · pith_short_16: EV2YEDLDOP3BHHKG · pith_short_8: EV2YEDLD

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/EV2YEDLDOP3BHHKGNOFKDAMAVM \
  | 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: 2575820d6373f6139d466b8aa18180ab0a7348d26a38a050366dc497dbc1e773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d7d82240cb8eba121b40458e280269dc7e54c87273959e64c31729673a3c88b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-27T10:54:15Z",
    "title_canon_sha256": "0a90046aaf5c1e8acf2e80210c184c80291cc003a8222d589a1a87287097c209"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10531",
    "kind": "arxiv",
    "version": 1
  }
}