Pith Number

pith:ZWHVPZ6O

pith:2003:ZWHVPZ6OC4KPWK2QKQUHCUVQOM

not attested not anchored not stored refs pending

General soliton matrices in the Riemann-Hilbert problem for integrable nonlinear equations

J. Yang, V.S. Shchesnovich

arxiv:nlin/0306027 v1 · 2003-06-16 · 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{ZWHVPZ6OC4KPWK2QKQUHCUVQOM}

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	2026-07-04T16:41:44.694027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd8f57e7ce1714fb2b5054287152b07339ee11e9213d08af8dc17ac1ea444af5

Aliases

arxiv: nlin/0306027 · arxiv_version: nlin/0306027v1 · doi: 10.48550/arxiv.nlin/0306027 · pith_short_12: ZWHVPZ6OC4KP · pith_short_16: ZWHVPZ6OC4KPWK2Q · pith_short_8: ZWHVPZ6O

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/ZWHVPZ6OC4KPWK2QKQUHCUVQOM \
  | 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: cd8f57e7ce1714fb2b5054287152b07339ee11e9213d08af8dc17ac1ea444af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c428ac60165c2ff2a94eec37ebd11470a4ff189d772d83d8aa181cdda07d228d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2003-06-16T16:29:47Z",
    "title_canon_sha256": "9c29f8a070efb852cc58a4a6c0042598b1710f910ccb77c202cc6e166dde62c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0306027",
    "kind": "arxiv",
    "version": 1
  }
}