Pith Number

pith:IUK5P35K

pith:2011:IUK5P35KI3SAH737Q5WRVWDHSK

not attested not anchored not stored refs pending

On the elusiveness of clusters

Celine Scornavacca, Leo van Iersel, Steven Kelk

arxiv:1103.1834 v1 · 2011-03-09 · q-bio.PE · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUK5P35KI3SAH737Q5WRVWDHSK}

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	2026-05-18T04:27:05.656235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4515d7efaa46e403ff7f876d1ad8679289b0f2420679ce4f2dc1a3f36dc5b7c8

Aliases

arxiv: 1103.1834 · arxiv_version: 1103.1834v1 · doi: 10.48550/arxiv.1103.1834 · pith_short_12: IUK5P35KI3SA · pith_short_16: IUK5P35KI3SAH737 · pith_short_8: IUK5P35K

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/IUK5P35KI3SAH737Q5WRVWDHSK \
  | 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: 4515d7efaa46e403ff7f876d1ad8679289b0f2420679ce4f2dc1a3f36dc5b7c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e051df942abd9e67257290ef34b98f9d8014cf476ea22a8602306809012127c",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-03-09T17:09:56Z",
    "title_canon_sha256": "d006d34ef9d096fdc580d6a4e95219b7a1ca982ee278b43f8ed517b05f2f98ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1834",
    "kind": "arxiv",
    "version": 1
  }
}