Pith Number

pith:TSF2VRMH

pith:1999:TSF2VRMHNT2XBT4L2GJLTIRXRJ

not attested not anchored not stored refs pending

Soliton solutions, Liouville integrability and gauge equivalence of Sasa Satsuma equation

Anjan Kundu, Sasanka Ghosh, Sudipta Nandy

arxiv:solv-int/9904018 v2 · 1999-04-17 · 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{TSF2VRMHNT2XBT4L2GJLTIRXRJ}

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	2026-05-18T01:37:51.822870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c8baac5876cf570cf8bd192b9a2378a64beb71770190481bb67b34390ff1896

Aliases

arxiv: solv-int/9904018 · arxiv_version: solv-int/9904018v2 · doi: 10.48550/arxiv.solv-int/9904018 · pith_short_12: TSF2VRMHNT2X · pith_short_16: TSF2VRMHNT2XBT4L · pith_short_8: TSF2VRMH

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/TSF2VRMHNT2XBT4L2GJLTIRXRJ \
  | 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: 9c8baac5876cf570cf8bd192b9a2378a64beb71770190481bb67b34390ff1896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fc93350a3c0c43ae1100b1652c81b9208d84be07d9d6be528d6c9edc42c621d",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1999-04-17T12:21:14Z",
    "title_canon_sha256": "6662e4202036e5b51969d5fbbd8c62bc6edc98162bf3f8b0b04eaa3f11afc1b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9904018",
    "kind": "arxiv",
    "version": 2
  }
}