Pith Number

pith:IR6IBLIU

pith:2004:IR6IBLIUHMT5VD2JHY6EEFHTOW

not attested not anchored not stored refs pending

A Note on the Painleve Property of Coupled KdV Equations

Sergei Sakovich

arxiv:nlin/0402004 v3 · 2004-02-02 · nlin.SI · math-ph · math.AP · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IR6IBLIUHMT5VD2JHY6EEFHTOW}

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	2026-05-18T02:58:31.104198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

447c80ad143b27da8f493e3c4214f375b410fb3f35e9db9947ec14adfecb65ad

Aliases

arxiv: nlin/0402004 · arxiv_version: nlin/0402004v3 · doi: 10.48550/arxiv.nlin/0402004 · pith_short_12: IR6IBLIUHMT5 · pith_short_16: IR6IBLIUHMT5VD2J · pith_short_8: IR6IBLIU

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/IR6IBLIUHMT5VD2JHY6EEFHTOW \
  | 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: 447c80ad143b27da8f493e3c4214f375b410fb3f35e9db9947ec14adfecb65ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b5e2c046e3458ecc899ac0a7c8d865f9ab2ef3f4e1b5e444de4927ca07908a6",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2004-02-02T22:48:09Z",
    "title_canon_sha256": "487166b160ddd170205a5b9350d7319051bd055fd2c8a8158d8295a3b6974fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0402004",
    "kind": "arxiv",
    "version": 3
  }
}