Pith Number

pith:ZKNUZFQK

pith:2010:ZKNUZFQKDQ3SW5K5VFFZHBF3AB

not attested not anchored not stored refs pending

Integrable discretizations for the short wave model of the Camassa-Holm equation

Bao-feng Feng, Ken-ichi Maruno, Yasuhiro Ohta

arxiv:1002.3649 v1 · 2010-02-19 · nlin.SI · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZKNUZFQKDQ3SW5K5VFFZHBF3AB}

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	2026-05-18T04:22:40.441904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca9b4c960a1c372b755da94b9384bb0059225aaeb971154d20727877ab4e159a

Aliases

arxiv: 1002.3649 · arxiv_version: 1002.3649v1 · doi: 10.48550/arxiv.1002.3649 · pith_short_12: ZKNUZFQKDQ3S · pith_short_16: ZKNUZFQKDQ3SW5K5 · pith_short_8: ZKNUZFQK

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/ZKNUZFQKDQ3SW5K5VFFZHBF3AB \
  | 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: ca9b4c960a1c372b755da94b9384bb0059225aaeb971154d20727877ab4e159a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab5973a561cc9a87438a062d443adee2ae2e5d7ac546b0b4d5c38bd1fbb69ad8",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-02-19T00:47:01Z",
    "title_canon_sha256": "0db69e89e2980b754932f76f2c7ea0a355549cd7dc45b44cc8874d1b3cbadf68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3649",
    "kind": "arxiv",
    "version": 1
  }
}