Pith Number

pith:7NA7BYUX

pith:2011:7NA7BYUXKULAFPW6KQYBJ2Q24Y

not attested not anchored not stored refs pending

A Riemann-Hilbert approach for the Degasperis-Procesi equation

A. Boutet de Monvel, D. Shepelsky

arxiv:1107.5995 v2 · 2011-07-29 · nlin.SI · math-ph · math.AP · 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{7NA7BYUXKULAFPW6KQYBJ2Q24Y}

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	2026-05-18T03:27:33.120585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb41f0e297551602bede543014ea1ae632c4dcd41fc180d4ab6a50f579e18898

Aliases

arxiv: 1107.5995 · arxiv_version: 1107.5995v2 · doi: 10.48550/arxiv.1107.5995 · pith_short_12: 7NA7BYUXKULA · pith_short_16: 7NA7BYUXKULAFPW6 · pith_short_8: 7NA7BYUX

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/7NA7BYUXKULAFPW6KQYBJ2Q24Y \
  | 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: fb41f0e297551602bede543014ea1ae632c4dcd41fc180d4ab6a50f579e18898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc31fd786e146361e6531a6971adaeb78ea4c611b24c5d32a41c26b5e0873472",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-07-29T15:18:59Z",
    "title_canon_sha256": "bc51ff7332bdb231334d0f6c648f2007659bc88759123f3cbaea2b051bac9459"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5995",
    "kind": "arxiv",
    "version": 2
  }
}