Pith Number

pith:OOAKA4LM

pith:2016:OOAKA4LMX3V7K7OSHTWEAU5NU4

not attested not anchored not stored refs pending

A generalised multicomponent system of Camassa-Holm-Novikov equations

Diego Catalano Ferraioli, Igor Leite Freire

arxiv:1608.04604 v2 · 2016-08-14 · nlin.SI · 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{OOAKA4LMX3V7K7OSHTWEAU5NU4}

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	2026-05-18T00:38:39.945461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7380a0716cbeebf57dd23cec4053ada726b52a7439d06c0e290e33cb1c0115d5

Aliases

arxiv: 1608.04604 · arxiv_version: 1608.04604v2 · doi: 10.48550/arxiv.1608.04604 · pith_short_12: OOAKA4LMX3V7 · pith_short_16: OOAKA4LMX3V7K7OS · pith_short_8: OOAKA4LM

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/OOAKA4LMX3V7K7OSHTWEAU5NU4 \
  | 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: 7380a0716cbeebf57dd23cec4053ada726b52a7439d06c0e290e33cb1c0115d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f950def2d5d9c2a4ff66377e2be407158f29c3084a65257d98e34858898f553c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2016-08-14T21:31:51Z",
    "title_canon_sha256": "e03e91f2b7ee7460f123c194cd927f551ad450ffb390917b4dde1372de63a5ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04604",
    "kind": "arxiv",
    "version": 2
  }
}