Pith Number

pith:CH6MA37J

pith:1999:CH6MA37JPJXEATF6CLM6NLHZSS

not attested not anchored not stored refs pending

Coupled KdV equations of Hirota-Satsuma type

Sergei Yu. Sakovich

arxiv:solv-int/9901005 v3 · 1999-01-19 · solv-int · math-ph · math.AP · 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{CH6MA37JPJXEATF6CLM6NLHZSS}

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	2026-05-18T01:04:59.910261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11fcc06fe97a6e404cbe12d9e6acf9949e6fb851b08c15a8d84502fceeee7aca

Aliases

arxiv: solv-int/9901005 · arxiv_version: solv-int/9901005v3 · doi: 10.48550/arxiv.solv-int/9901005 · pith_short_12: CH6MA37JPJXE · pith_short_16: CH6MA37JPJXEATF6 · pith_short_8: CH6MA37J

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/CH6MA37JPJXEATF6CLM6NLHZSS \
  | 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: 11fcc06fe97a6e404cbe12d9e6acf9949e6fb851b08c15a8d84502fceeee7aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f5e4160bcd5215233f84860dc211e9033e58770a0a34a711b1bef04871c5ea",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP",
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1999-01-19T07:40:27Z",
    "title_canon_sha256": "ce972a56a2b434deb07e6f68f51d2955ed9e6c0885dcee127b4c9705ae3b7ccc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9901005",
    "kind": "arxiv",
    "version": 3
  }
}