Pith Number

pith:ENAM6USK

pith:2003:ENAM6USKPLCOAOA2DPAXPVD7U5

not attested not anchored not stored refs pending

Automatic Classification using Self-Organising Neural Networks in Astrophysical Experiments

A. De Angelis, E. Milotti, P. Boinee

arxiv:cs/0307031 v2 · 2003-07-12 · cs.NE · astro-ph · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENAM6USKPLCOAOA2DPAXPVD7U5}

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	2026-07-04T14:24:35.278239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2340cf524a7ac4e0381a1bc177d47fa7641e469b9648a3fc672822f6b070d58c

Aliases

arxiv: cs/0307031 · arxiv_version: cs/0307031v2 · doi: 10.48550/arxiv.cs/0307031 · pith_short_12: ENAM6USKPLCO · pith_short_16: ENAM6USKPLCOAOA2 · pith_short_8: ENAM6USK

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/ENAM6USKPLCOAOA2DPAXPVD7U5 \
  | 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: 2340cf524a7ac4e0381a1bc177d47fa7641e469b9648a3fc672822f6b070d58c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9888474a75036d5d2b8d2b6b9fbdc1752ed6a36faf1b1c841c97a23bc1d62516",
    "cross_cats_sorted": [
      "astro-ph",
      "cs.AI"
    ],
    "license": "",
    "primary_cat": "cs.NE",
    "submitted_at": "2003-07-12T12:04:33Z",
    "title_canon_sha256": "4c1b5191161c10b043e767e0fcc076b4a5da48fcec286bb60c87c3e7f84927f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0307031",
    "kind": "arxiv",
    "version": 2
  }
}