Pith Number

pith:Y7M7ZRHP

pith:2013:Y7M7ZRHPKA6J5UGIFXFRVCST54

not attested not anchored not stored refs pending

Peakon-antipeakon interactions in the Degasperis-Procesi Equation

Jacek Szmigielski, Lingjun Zhou

arxiv:1301.0171 v1 · 2013-01-02 · math-ph · math.MP · 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{Y7M7ZRHPKA6J5UGIFXFRVCST54}

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	2026-05-18T03:37:18.657117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d9fcc4ef503c9ed0c82dcb1a8a53ef3f7c20fc50a4b622e996b54d2dc3aaa3

Aliases

arxiv: 1301.0171 · arxiv_version: 1301.0171v1 · doi: 10.48550/arxiv.1301.0171 · pith_short_12: Y7M7ZRHPKA6J · pith_short_16: Y7M7ZRHPKA6J5UGI · pith_short_8: Y7M7ZRHP

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/Y7M7ZRHPKA6J5UGIFXFRVCST54 \
  | 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: c7d9fcc4ef503c9ed0c82dcb1a8a53ef3f7c20fc50a4b622e996b54d2dc3aaa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a9dbb12e536b6610bc0a59dee4d2857ac82452aec4661ef7caa29d0cc1b56e9",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-01-02T06:13:07Z",
    "title_canon_sha256": "b123a4336a24a38672b7e36a6eb8eeb4356f53e48f054791d611de24276bcefe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0171",
    "kind": "arxiv",
    "version": 1
  }
}