Pith Number

pith:FK6HZLTL

pith:2026:FK6HZLTLFJBAPZMVW4QDGWQKOX

not attested not anchored not stored refs pending

Whitham modulation equations for the regularized Boussinesq equation with cubic nonlinearity

Anna Vainchtein, Mark A. Hoefer

arxiv:2605.12900 v1 · 2026-05-13 · nlin.PS · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FK6HZLTLFJBAPZMVW4QDGWQKOX}

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	2026-05-18T03:09:10.745792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2abc7cae6b2a4207e595b720335a0a75e44d079a8ebbbe4544bb266d548ad6c1

Aliases

arxiv: 2605.12900 · arxiv_version: 2605.12900v1 · doi: 10.48550/arxiv.2605.12900 · pith_short_12: FK6HZLTLFJBA · pith_short_16: FK6HZLTLFJBAPZMV · pith_short_8: FK6HZLTL

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/FK6HZLTLFJBAPZMVW4QDGWQKOX \
  | 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: 2abc7cae6b2a4207e595b720335a0a75e44d079a8ebbbe4544bb266d548ad6c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0a0190a6f7d825a19c0d84351bc5831fa0c663be5436e924c93d8c4b2214e2e",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2026-05-13T02:25:04Z",
    "title_canon_sha256": "97c40c99d777ac8d48107c724133cfdfaeb7a46a5a5eb8dcff10b9fd318aca4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.12900",
    "kind": "arxiv",
    "version": 1
  }
}