Pith Number

pith:XY7CGAAD

pith:2018:XY7CGAADXNQURPVS7WRNV24XFX

not attested not anchored not stored refs pending

Ghostpeakons and Characteristic Curves for the Camassa-Holm, Degasperis-Procesi and Novikov Equations

Budor Shuaib, Hans Lundmark

arxiv:1807.01910 v2 · 2018-07-05 · 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{XY7CGAADXNQURPVS7WRNV24XFX}

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	2026-05-17T23:51:58.971510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be3e230003bb6148beb2fda2daeb972dfe5c9550597e00f56713a03915183bd2

Aliases

arxiv: 1807.01910 · arxiv_version: 1807.01910v2 · doi: 10.48550/arxiv.1807.01910 · pith_short_12: XY7CGAADXNQU · pith_short_16: XY7CGAADXNQURPVS · pith_short_8: XY7CGAAD

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/XY7CGAADXNQURPVS7WRNV24XFX \
  | 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: be3e230003bb6148beb2fda2daeb972dfe5c9550597e00f56713a03915183bd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68234e08713050c818f19529b839b2661cc4a4a080ae32d8eb7eaf015468c11d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-07-05T09:20:27Z",
    "title_canon_sha256": "6ce9f3b4d04e3242cbc3ec88914abf7a47ae2a6094e5db8276e8601ebc651521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01910",
    "kind": "arxiv",
    "version": 2
  }
}