Pith Number

pith:4HZEHMYO

pith:2004:4HZEHMYOM654K4OG4YQP6DUIHN

not attested not anchored not stored refs pending

Integrable equations in nonlinear geometrical optics

Antonio Moro, Boris G. Konopelchenko

arxiv:nlin/0403051 v1 · 2004-03-29 · nlin.SI · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HZEHMYOM654K4OG4YQP6DUIHN}

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	2026-05-18T03:44:24.963172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f243b30e67bbc571c6e620ff0e883b695a06ebe2df9650ebe0755e3d62e0fe

Aliases

arxiv: nlin/0403051 · arxiv_version: nlin/0403051v1 · doi: 10.48550/arxiv.nlin/0403051 · pith_short_12: 4HZEHMYOM654 · pith_short_16: 4HZEHMYOM654K4OG · pith_short_8: 4HZEHMYO

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/4HZEHMYOM654K4OG4YQP6DUIHN \
  | 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: e1f243b30e67bbc571c6e620ff0e883b695a06ebe2df9650ebe0755e3d62e0fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9ebd133439b3dc7a9bfff944414b303111370a010a7b17f3c52a5b621870eb",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2004-03-29T14:24:33Z",
    "title_canon_sha256": "80e4caabedd300834cb0c1777de0c087bfaa3562f124611586f6cbbf203f45b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0403051",
    "kind": "arxiv",
    "version": 1
  }
}