Pith Number

pith:7WUQFEDQ

pith:2011:7WUQFEDQLOQZGO62FVLDC3FWJE

not attested not anchored not stored refs pending

Adaptive Evolutionary Clustering

Alfred O. Hero III, Kevin S. Xu, Mark Kliger

arxiv:1104.1990 v3 · 2011-04-11 · cs.LG · 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{7WUQFEDQLOQZGO62FVLDC3FWJE}

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	2026-05-18T02:22:09.985191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda90290705ba1933bda2d56316cb6493fe53190c727c3062a905cc75d8f2f9f

Aliases

arxiv: 1104.1990 · arxiv_version: 1104.1990v3 · doi: 10.48550/arxiv.1104.1990 · pith_short_12: 7WUQFEDQLOQZ · pith_short_16: 7WUQFEDQLOQZGO62 · pith_short_8: 7WUQFEDQ

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/7WUQFEDQLOQZGO62FVLDC3FWJE \
  | 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: fda90290705ba1933bda2d56316cb6493fe53190c727c3062a905cc75d8f2f9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08927a7d4ed7d3e4c137dfe4ec13456fa4bc96abf0dd9fac4518d769e361ce6f",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-04-11T16:38:50Z",
    "title_canon_sha256": "337444c8ca13ce5d7d2a1335f8a6a6e5443fa31dc9df38719004a510e42de825"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1990",
    "kind": "arxiv",
    "version": 3
  }
}