Pith Number

pith:TIXWZXKH

pith:2008:TIXWZXKHLELYICDXBLDSBJU7WR

not attested not anchored not stored refs pending

Principal Graphs and Manifolds

A. N. Gorban, A. Y. Zinovyev

arxiv:0809.0490 v2 · 2008-09-02 · cs.LG · cs.NE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIXWZXKHLELYICDXBLDSBJU7WR}

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	2026-05-18T04:22:40.582893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a2f6cdd4759178408770ac720a69fb44528e286068804d6dd32ff51d832d40b

Aliases

arxiv: 0809.0490 · arxiv_version: 0809.0490v2 · doi: 10.48550/arxiv.0809.0490 · pith_short_12: TIXWZXKHLELY · pith_short_16: TIXWZXKHLELYICDX · pith_short_8: TIXWZXKH

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/TIXWZXKHLELYICDXBLDSBJU7WR \
  | 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: 9a2f6cdd4759178408770ac720a69fb44528e286068804d6dd32ff51d832d40b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "918652b97f36e79b8747badfac26f12afe60d2b0c5288a75e0113af9994970a0",
    "cross_cats_sorted": [
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2008-09-02T18:04:53Z",
    "title_canon_sha256": "271f23bedbb22c0aca3b720979f7041b0a17c57da165d0c71438732f444c211e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0490",
    "kind": "arxiv",
    "version": 2
  }
}