Pith Number

pith:FSTFHV26

pith:2004:FSTFHV26P46PUWRUOI6TTHJCO2

not attested not anchored not stored refs pending

Hodograph transformations for a Camassa- Holm hierarchy in 2+1 dimensions

J. Prada, P. G. Estevez

arxiv:nlin/0412019 v1 · 2004-12-07 · 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{FSTFHV26P46PUWRUOI6TTHJCO2}

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	2026-05-18T01:05:21.822282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ca653d75e7f3cfa5a34723d399d227694e362580009bdc171bd3236b17a0586

Aliases

arxiv: nlin/0412019 · arxiv_version: nlin/0412019v1 · doi: 10.48550/arxiv.nlin/0412019 · pith_short_12: FSTFHV26P46P · pith_short_16: FSTFHV26P46PUWRU · pith_short_8: FSTFHV26

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/FSTFHV26P46PUWRUOI6TTHJCO2 \
  | 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: 2ca653d75e7f3cfa5a34723d399d227694e362580009bdc171bd3236b17a0586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c1cbdfeba5028d854293c7dbae236143f7a24149247e0b65db64a680eab767e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2004-12-07T08:27:42Z",
    "title_canon_sha256": "99c78e46eb0e89447fb101950bf8dde54cf78f96290c527b4544ee077db4f884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0412019",
    "kind": "arxiv",
    "version": 1
  }
}