Pith Number

pith:SRUWAUTQ

pith:1994:SRUWAUTQX7AFZYODBDES32EBJW

not attested not anchored not stored refs pending

New exact solutions for the discrete fourth Painlev\'e equation

Andrew P. Bassom, Exeter, Peter A. Clarkson (Department of Mathematics, U.K.), University of Exeter

arxiv:solv-int/9409002 v1 · 1994-09-16 · solv-int · 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{SRUWAUTQX7AFZYODBDES32EBJW}

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	2026-05-18T01:37:52.140343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9469605270bfc05ce1c308c92de8814d816af25cbb380ccdda79dba05ef47c2f

Aliases

arxiv: solv-int/9409002 · arxiv_version: solv-int/9409002v1 · doi: 10.48550/arxiv.solv-int/9409002 · pith_short_12: SRUWAUTQX7AF · pith_short_16: SRUWAUTQX7AFZYOD · pith_short_8: SRUWAUTQ

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/SRUWAUTQX7AFZYODBDES32EBJW \
  | 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: 9469605270bfc05ce1c308c92de8814d816af25cbb380ccdda79dba05ef47c2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea04052633439ee4e041953493c32cfb611b30d53707319d230fcc91ec6b44e0",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1994-09-16T15:32:03Z",
    "title_canon_sha256": "b69a6a71896ce9fb7df90655660ef0991b451a0a716e64f5fac36032ecd13730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9409002",
    "kind": "arxiv",
    "version": 1
  }
}