Pith Number

pith:NCDQNFPU

pith:2025:NCDQNFPUPL56X2GOB5BMNMM6YC

not attested not anchored not stored refs pending

Quadratic Poisson brackets for the Camassa--Holm peakons

E. Ragoucy, J. Avan, L. Frappat

arxiv:2512.11066 v2 · 2025-12-11 · nlin.SI · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCDQNFPUPL56X2GOB5BMNMM6YC}

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	2026-06-25T01:17:48.408418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68870695f47afbebe8ce0f42c6b19ec0886bc89ad899600e12a9c8b3284d220f

Aliases

arxiv: 2512.11066 · arxiv_version: 2512.11066v2 · doi: 10.48550/arxiv.2512.11066 · pith_short_12: NCDQNFPUPL56 · pith_short_16: NCDQNFPUPL56X2GO · pith_short_8: NCDQNFPU

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/NCDQNFPUPL56X2GOB5BMNMM6YC \
  | 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: 68870695f47afbebe8ce0f42c6b19ec0886bc89ad899600e12a9c8b3284d220f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efa207770f7ebdbecf6b036e68cb0dde30ee42a8410966dd057f6aabfc9c97ad",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2025-12-11T19:35:22Z",
    "title_canon_sha256": "7d753837782b98a8acbfe2232c5adc121af9f202594aba1cdccff8ee95b8bae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.11066",
    "kind": "arxiv",
    "version": 2
  }
}