Pith Number

pith:GB7VH37B

pith:2013:GB7VH37B7GPCCQ6AAK4J5NXYJF

not attested not anchored not stored refs pending

A three-component Camassa-Holm system with cubic nonlinearity and peakons

Baoqiang Xia, Ruguang Zhou, Zhijun Qiao

arxiv:1308.4759 v1 · 2013-08-22 · 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{GB7VH37B7GPCCQ6AAK4J5NXYJF}

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	2026-05-18T02:18:31.747204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

307f53efe1f99e2143c002b89eb6f84975bfaec8f540e82a4afc099a39128456

Aliases

arxiv: 1308.4759 · arxiv_version: 1308.4759v1 · doi: 10.48550/arxiv.1308.4759 · pith_short_12: GB7VH37B7GPC · pith_short_16: GB7VH37B7GPCCQ6A · pith_short_8: GB7VH37B

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/GB7VH37B7GPCCQ6AAK4J5NXYJF \
  | 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: 307f53efe1f99e2143c002b89eb6f84975bfaec8f540e82a4afc099a39128456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "089ff27c377f07957fd00d3788087942bf8e679875ba513b8a966f8740c88fe1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-08-22T04:24:04Z",
    "title_canon_sha256": "e77772b5f86118283ed1865e7d8bb2ea79165d470b10547be8840834db7fca98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4759",
    "kind": "arxiv",
    "version": 1
  }
}