Pith Number

pith:JCLL3DT3

pith:2019:JCLL3DT3TQ4SSDUXWEVLWY6NNC

not attested not anchored not stored refs pending

The Replacement Rule for Nonlinear Shallow Water Waves

Andrei Ludu, Zhi Zong

arxiv:1907.11650 v1 · 2019-07-24 · nlin.PS · 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{JCLL3DT3TQ4SSDUXWEVLWY6NNC}

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	2026-05-17T23:39:28.369724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4896bd8e7b9c39290e97b12abb63cd68929371957d1ab312dec2d1a9eeb2bd7c

Aliases

arxiv: 1907.11650 · arxiv_version: 1907.11650v1 · doi: 10.48550/arxiv.1907.11650 · pith_short_12: JCLL3DT3TQ4S · pith_short_16: JCLL3DT3TQ4SSDUX · pith_short_8: JCLL3DT3

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/JCLL3DT3TQ4SSDUXWEVLWY6NNC \
  | 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: 4896bd8e7b9c39290e97b12abb63cd68929371957d1ab312dec2d1a9eeb2bd7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d23b25b3a547e6e09f37b31bfb6f27169817875a4806323d5363c7ba72595762",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2019-07-24T02:15:53Z",
    "title_canon_sha256": "9132437e50add8e5851c44b5eb69af3a2df104437a7934f64828a48678315904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11650",
    "kind": "arxiv",
    "version": 1
  }
}