Pith Number

pith:JWN64YS2

pith:2018:JWN64YS2FJML5N4N7RCX4UBYYK

not attested not anchored not stored refs pending

Comment on the paper "The third-order perturbed Korteweg-de Vries equation for shallow water waves with a non-flat bottom" by M. Fokou, T.C. Kofan\'e, A. Mohamadou and E. Yomba, Eur. Phys. J. Plus, 132, 410 (2017)

Anna Karczewska, Piotr Rozmej

arxiv:1804.01940 v1 · 2018-04-05 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWN64YS2FJML5N4N7RCX4UBYYK}

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	2026-05-18T00:19:09.485292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d9bee625a2a58beb78dfc457e5038c2943fa6416c010f77d9abf71d0810deac

Aliases

arxiv: 1804.01940 · arxiv_version: 1804.01940v1 · doi: 10.48550/arxiv.1804.01940 · pith_short_12: JWN64YS2FJML · pith_short_16: JWN64YS2FJML5N4N · pith_short_8: JWN64YS2

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/JWN64YS2FJML5N4N7RCX4UBYYK \
  | 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: 4d9bee625a2a58beb78dfc457e5038c2943fa6416c010f77d9abf71d0810deac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78e7032e5947dd89691a749f63fa805681be8146a33ecda440e9921e00854834",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-04-05T16:27:12Z",
    "title_canon_sha256": "c7ed0201c131fb04da4318e40e2e5eb3884eb52334652ffc20c01eaa61823842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01940",
    "kind": "arxiv",
    "version": 1
  }
}