Pith Number

pith:RPPFQ4IA

pith:2013:RPPFQ4IA47I2GAHKD2EBA53JPX

not attested not anchored not stored refs pending

Dimension reduction of clustering results in bioinformatics

Gabor Ivan, Vince Grolmusz

arxiv:1309.1892 v1 · 2013-09-07 · q-bio.QM · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPPFQ4IA47I2GAHKD2EBA53JPX}

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	2026-05-18T03:13:57.167627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bde587100e7d1a300ea1e881077697dcc784a6fa820ca29f6674214289baacd

Aliases

arxiv: 1309.1892 · arxiv_version: 1309.1892v1 · doi: 10.48550/arxiv.1309.1892 · pith_short_12: RPPFQ4IA47I2 · pith_short_16: RPPFQ4IA47I2GAHK · pith_short_8: RPPFQ4IA

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/RPPFQ4IA47I2GAHKD2EBA53JPX \
  | 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: 8bde587100e7d1a300ea1e881077697dcc784a6fa820ca29f6674214289baacd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "011376ea6fa9039a1a14efd2c8232b87e40fe13d47418cd5dcda18323592e4fa",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2013-09-07T18:39:53Z",
    "title_canon_sha256": "a18a922fa7f3858a1272ff3924c3528fdb0a7a48cdc6bd4d0c75b74437b0fb77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1892",
    "kind": "arxiv",
    "version": 1
  }
}