Pith Number

pith:UB7MZVCV

pith:2024:UB7MZVCV7NZVLZIYAP5AAAQMPK

not attested not anchored not stored refs pending

Another look at the control properties of the Korteweg-de Vries equation

Fernando Gallego (UNAL), Roberto de A. Capistrano-Filho (DMat/UFPE)

arxiv:2409.15571 v2 · 2024-09-23 · math.AP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB7MZVCV7NZVLZIYAP5AAAQMPK}

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	2026-05-20T00:04:05.092688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07eccd455fb7355e51803fa00020c7a9e49b7d5d45ce92012e874d2cce821ba

Aliases

arxiv: 2409.15571 · arxiv_version: 2409.15571v2 · doi: 10.48550/arxiv.2409.15571 · pith_short_12: UB7MZVCV7NZV · pith_short_16: UB7MZVCV7NZVLZIY · pith_short_8: UB7MZVCV

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/UB7MZVCV7NZVLZIYAP5AAAQMPK \
  | 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: a07eccd455fb7355e51803fa00020c7a9e49b7d5d45ce92012e874d2cce821ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ed92aaf443a9c816361821f4435973564da739a00942479b9ecabb2ec85ae69",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2024-09-23T22:18:44Z",
    "title_canon_sha256": "9e4221e295ec8d3daab4e868b421cb55804923a051a7c36b7dee9f8af9647f22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.15571",
    "kind": "arxiv",
    "version": 2
  }
}