Pith Number

pith:LGFCHI77

pith:2001:LGFCHI77N5VNRNXQ2JDPAGJGBD

not attested not anchored not stored refs pending

Riemann-Hilbert problem for the small dispersion limit of the KdV equation and linear overdetermined systems of Euler-Poisson-Darboux type

T. Grava

arxiv:nlin/0102018 v1 · 2001-02-17 · 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{LGFCHI77N5VNRNXQ2JDPAGJGBD}

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	2026-07-04T14:41:38.115817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

598a23a3ff6f6ad8b6f0d246f0192608d06e56a695543844c5cf7dfe904532f0

Aliases

arxiv: nlin/0102018 · arxiv_version: nlin/0102018v1 · doi: 10.48550/arxiv.nlin/0102018 · pith_short_12: LGFCHI77N5VN · pith_short_16: LGFCHI77N5VNRNXQ · pith_short_8: LGFCHI77

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/LGFCHI77N5VNRNXQ2JDPAGJGBD \
  | 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: 598a23a3ff6f6ad8b6f0d246f0192608d06e56a695543844c5cf7dfe904532f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de5b7d7ade469b12688609c4ea16b0d47031351c939f9caf09164e8e00742f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2001-02-17T19:19:32Z",
    "title_canon_sha256": "5ca9f97bed9e40ebbfb2945b470e041d85348ef97c732c371327cea09f4a07ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0102018",
    "kind": "arxiv",
    "version": 1
  }
}