Pith Number

pith:NHDUUJOX

pith:2007:NHDUUJOX7FTEHGY35HTZA4LZSB

not attested not anchored not stored refs pending

On the use of self-organizing maps to accelerate vector quantization

Dice), Eric De Bodt (ESA, Iag-Fin, Marie Cottrell (MATISSE, Michel Verleysen (DICE), Patrick Letr\'emy (MATISSE, Samos)

arxiv:math/0701142 v1 · 2007-01-04 · math.ST · cs.NE · 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{NHDUUJOX7FTEHGY35HTZA4LZSB}

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	2026-05-18T01:09:15.545973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c74a25d7f966439b1be9e790717990590daa6c9d09e706c8081c1a5719084d

Aliases

arxiv: math/0701142 · arxiv_version: math/0701142v1 · doi: 10.48550/arxiv.math/0701142 · pith_short_12: NHDUUJOX7FTE · pith_short_16: NHDUUJOX7FTEHGY3 · pith_short_8: NHDUUJOX

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/NHDUUJOX7FTEHGY35HTZA4LZSB \
  | 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: 69c74a25d7f966439b1be9e790717990590daa6c9d09e706c8081c1a5719084d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d88c0e5f33294b26f31d4ca7d06cd9dfe3ea0d3db5ff1352e4eaad33199ef35c",
    "cross_cats_sorted": [
      "cs.NE",
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2007-01-04T15:42:43Z",
    "title_canon_sha256": "17d4ff11789a3793f84e7c39ed60bba58f82894118c34bd9a47146ee2de281e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701142",
    "kind": "arxiv",
    "version": 1
  }
}