Pith Number

pith:WUFPKCGX

pith:2019:WUFPKCGXUK6B2PWJPLGM7YEBAS

not attested not anchored not stored refs pending

On the propagation of regularity for solutions of the fractional Korteweg-de Vries equation

Argenis Mendez

arxiv:1902.08296 v1 · 2019-02-21 · 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{WUFPKCGXUK6B2PWJPLGM7YEBAS}

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	2026-05-17T23:52:57.755053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b50af508d7a2bc1d3ec97acccfe08104bb1dfd827a8f9a6f58582723132692fd

Aliases

arxiv: 1902.08296 · arxiv_version: 1902.08296v1 · doi: 10.48550/arxiv.1902.08296 · pith_short_12: WUFPKCGXUK6B · pith_short_16: WUFPKCGXUK6B2PWJ · pith_short_8: WUFPKCGX

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/WUFPKCGXUK6B2PWJPLGM7YEBAS \
  | 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: b50af508d7a2bc1d3ec97acccfe08104bb1dfd827a8f9a6f58582723132692fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f23e94c1e14ee99d75e0720c20d05df91a3f5d4a3b7a11fdeb4d7e658030fa3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-21T22:59:10Z",
    "title_canon_sha256": "0c6610eec36fa578eb37bf88606f1ee8e5efaa7e0971f6d506b9e0b1f1108040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08296",
    "kind": "arxiv",
    "version": 1
  }
}