Pith Number

pith:JFYRNV3U

pith:2024:JFYRNV3U2MZ2OR7NL3HXGEUZSB

not attested not anchored not stored refs pending

Spectral Clustering for Discrete Distributions

Dong Qiao, Jicong Fan, Zixiao Wang

arxiv:2401.13913 v2 · 2024-01-25 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFYRNV3U2MZ2OR7NL3HXGEUZSB}

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	2026-07-05T08:55:49.570480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497116d774d333a747ed5ecf731299906c67b1a645a9b987e372267904083cd8

Aliases

arxiv: 2401.13913 · arxiv_version: 2401.13913v2 · doi: 10.48550/arxiv.2401.13913 · pith_short_12: JFYRNV3U2MZ2 · pith_short_16: JFYRNV3U2MZ2OR7N · pith_short_8: JFYRNV3U

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/JFYRNV3U2MZ2OR7NL3HXGEUZSB \
  | 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: 497116d774d333a747ed5ecf731299906c67b1a645a9b987e372267904083cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f64678d1a018a69d7e1931b79c29d7f28382652744026d152720f62f898ad05",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-01-25T03:17:03Z",
    "title_canon_sha256": "14ffa659ac972f9b43270302af3e11c340bf40dbd24c08955e27bf772bcd4619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.13913",
    "kind": "arxiv",
    "version": 2
  }
}