Pith Number

pith:D4NIEF2Y

pith:2015:D4NIEF2YDJNHYGVG647GFQJ4JT

not attested not anchored not stored refs pending

How to improve robustness in Kohonen maps and display additional information in Factorial Analysis: application to text mining

Benjamin D\'eruelle (LAMOP), Marie Cottrell (SAMM), Nicolas Bourgeois (SAMM), Patrick Letr\'emy (SAMM), St\'ephane Lamass\'e (LAMOP)

arxiv:1506.07732 v1 · 2015-06-25 · math.ST · cs.CL · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4NIEF2YDJNHYGVG647GFQJ4JT}

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	2026-05-18T01:38:51.015930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1a8217581a5a7c1aa6f73e62c13c4cebf0269d112a19dddf1a6b5dc32cd899

Aliases

arxiv: 1506.07732 · arxiv_version: 1506.07732v1 · doi: 10.48550/arxiv.1506.07732 · pith_short_12: D4NIEF2YDJNH · pith_short_16: D4NIEF2YDJNHYGVG · pith_short_8: D4NIEF2Y

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/D4NIEF2YDJNHYGVG647GFQJ4JT \
  | 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: 1f1a8217581a5a7c1aa6f73e62c13c4cebf0269d112a19dddf1a6b5dc32cd899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f19c5ca215c7329d116e833caa15e503a65730468fba7b95f49a10a615ae08a7",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-06-25T12:56:23Z",
    "title_canon_sha256": "eb1f058a2ca9707d922e505e27ecfd4d81a78d8954b833b03ecd6931c0c1a748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07732",
    "kind": "arxiv",
    "version": 1
  }
}