Pith Number

pith:MYSKPSCY

pith:1999:MYSKPSCYFOP4WNFGD3UY2MBZSL

not attested not anchored not stored refs pending

A Coupled AKNS-Kaup-Newell Soliton Hierarchy

Ruguang Zhou, Wen-Xiu Ma

arxiv:solv-int/9908005 v1 · 1999-08-09 · 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{MYSKPSCYFOP4WNFGD3UY2MBZSL}

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	2026-05-18T01:37:51.730462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6624a7c8582b9fcb34a61ee98d303992d6082c5afc2d193e5c891a95ae431957

Aliases

arxiv: solv-int/9908005 · arxiv_version: solv-int/9908005v1 · doi: 10.48550/arxiv.solv-int/9908005 · pith_short_12: MYSKPSCYFOP4 · pith_short_16: MYSKPSCYFOP4WNFG · pith_short_8: MYSKPSCY

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/MYSKPSCYFOP4WNFGD3UY2MBZSL \
  | 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: 6624a7c8582b9fcb34a61ee98d303992d6082c5afc2d193e5c891a95ae431957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b6c0ccda55f2166ca0b9b6ced339ef4cebcbc408a1d81b4ba74c026a705298",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1999-08-09T04:43:02Z",
    "title_canon_sha256": "73efd06db70b30ea0b0e2f5fffd4e69ea58e1282d7efd04bb0d69cec4fcafca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9908005",
    "kind": "arxiv",
    "version": 1
  }
}