Pith Number

pith:GNPRK5YY

pith:1998:GNPRK5YYGTMDJXPIHJV6CU3BVF

not attested not anchored not stored refs pending

Algebro-Geometric Solutions of the Boussinesq Hierarchy

Fritz Gesztesy, Karl Unterkofler, Ronnie Dickson

arxiv:solv-int/9809004 v1 · 1998-08-31 · 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{GNPRK5YYGTMDJXPIHJV6CU3BVF}

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	2026-05-18T01:37:51.901549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

335f15771834d834dde83a6be15361a941e684c531905b86ae44dafc5b7503f3

Aliases

arxiv: solv-int/9809004 · arxiv_version: solv-int/9809004v1 · doi: 10.48550/arxiv.solv-int/9809004 · pith_short_12: GNPRK5YYGTMD · pith_short_16: GNPRK5YYGTMDJXPI · pith_short_8: GNPRK5YY

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/GNPRK5YYGTMDJXPIHJV6CU3BVF \
  | 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: 335f15771834d834dde83a6be15361a941e684c531905b86ae44dafc5b7503f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04351ccc9e21d2115556fc1099d7f4a5b77b99ca03bb7eb2c4d93dd4b135c57d",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1998-08-31T21:38:13Z",
    "title_canon_sha256": "3a2a26fe69861ba36a80384aa00842848f5405daa2ac7c4259be9c94558b455b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9809004",
    "kind": "arxiv",
    "version": 1
  }
}