Pith Number

pith:7TUBC7LA

pith:2010:7TUBC7LAIV5PFP6HZ3YMNPA255

not attested not anchored not stored refs pending

On the 7th order ODE with submaximal symmetry

Maciej Dunajski, Vladimir Sokolov

arxiv:1002.1620 v3 · 2010-02-08 · math.DG · math-ph · math.AG · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TUBC7LAIV5PFP6HZ3YMNPA255}

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	2026-05-18T02:09:11.303850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fce8117d60457af2bfc7cef0c6bc1aef51971d19e08abbccca7dee6feba5e438

Aliases

arxiv: 1002.1620 · arxiv_version: 1002.1620v3 · doi: 10.48550/arxiv.1002.1620 · pith_short_12: 7TUBC7LAIV5P · pith_short_16: 7TUBC7LAIV5PFP6H · pith_short_8: 7TUBC7LA

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/7TUBC7LAIV5PFP6HZ3YMNPA255 \
  | 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: fce8117d60457af2bfc7cef0c6bc1aef51971d19e08abbccca7dee6feba5e438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c8bfd7382a6f4d92fe6cc20d2ecff4faed86384785528ec73b285b032a5fc05",
    "cross_cats_sorted": [
      "math-ph",
      "math.AG",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-02-08T15:07:10Z",
    "title_canon_sha256": "b859070feeb277838f61536e1b2a605fb29e089ac3ecf2bf62cdaf698030d015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1620",
    "kind": "arxiv",
    "version": 3
  }
}