Pith Number

pith:CP6HDGCY

pith:2010:CP6HDGCYUYIJT643G2ZW4N46UU

not attested not anchored not stored refs pending

A note on ill-posedness for the KdV equation

Luc Molinet (LMPT)

arxiv:1004.3133 v2 · 2010-04-19 · 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{CP6HDGCYUYIJT643G2ZW4N46UU}

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	2026-05-18T04:40:55.938863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13fc719858a61099fb9b36b36e379ea535aaa653c374d0395b5c86514385e0be

Aliases

arxiv: 1004.3133 · arxiv_version: 1004.3133v2 · doi: 10.48550/arxiv.1004.3133 · pith_short_12: CP6HDGCYUYIJ · pith_short_16: CP6HDGCYUYIJT643 · pith_short_8: CP6HDGCY

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/CP6HDGCYUYIJT643G2ZW4N46UU \
  | 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: 13fc719858a61099fb9b36b36e379ea535aaa653c374d0395b5c86514385e0be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9817ddcc79b60d87a97a57c7edeef9b0e23fd5fa4a21a7429f09eb871cc088c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-04-19T09:15:44Z",
    "title_canon_sha256": "c67a535428b2043ad897539855ff561f496c97dcf876838a001ca345f7796e17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3133",
    "kind": "arxiv",
    "version": 2
  }
}