Pith Number

pith:NQ56HZSB

pith:2011:NQ56HZSBJQMSQN2JCAF2QDUE7K

not attested not anchored not stored refs pending

Well-posedness and blow-up for a two-component Degasperis-Procesi equation with infinitely fast propagating solutions

Martin Kohlmann

arxiv:1103.5910 v2 · 2011-03-30 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQ56HZSBJQMSQN2JCAF2QDUE7K}

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	2026-05-18T03:58:12.652062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c3be3e6414c19283749100ba80e84fa846bd57c0cae3be9803069ea01961b2e

Aliases

arxiv: 1103.5910 · arxiv_version: 1103.5910v2 · doi: 10.48550/arxiv.1103.5910 · pith_short_12: NQ56HZSBJQMS · pith_short_16: NQ56HZSBJQMSQN2J · pith_short_8: NQ56HZSB

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/NQ56HZSBJQMSQN2JCAF2QDUE7K \
  | 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: 6c3be3e6414c19283749100ba80e84fa846bd57c0cae3be9803069ea01961b2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95268341f6638d586d4352098d4b75ab3307a94625dbacda27301e1169e5afb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-03-30T12:42:55Z",
    "title_canon_sha256": "2f3a86e27c440ac7c6c26e2483b4d713261ca27349b45871b6f0c5e6043b7413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5910",
    "kind": "arxiv",
    "version": 2
  }
}