Pith Number

pith:2ERS4LQC

pith:2012:2ERS4LQCIW34ER4FQ272F4LNJB

not attested not anchored not stored refs pending

Modified Shallow Water Equations for significantly varying seabeds

Denys Dutykh (LAMA), Didier Clamond (JAD)

arxiv:1202.6542 v6 · 2012-02-29 · physics.class-ph · cs.NA · math.AP · math.NA · physics.comp-ph · 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{2ERS4LQCIW34ER4FQ272F4LNJB}

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	2026-06-03T23:07:13.990134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1232e2e0245b7c2478586bfa2f16d485ab46933f12e8acb30a354fb09bc6920

Aliases

arxiv: 1202.6542 · arxiv_version: 1202.6542v6 · doi: 10.48550/arxiv.1202.6542 · pith_short_12: 2ERS4LQCIW34 · pith_short_16: 2ERS4LQCIW34ER4F · pith_short_8: 2ERS4LQC

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/2ERS4LQCIW34ER4FQ272F4LNJB \
  | 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: d1232e2e0245b7c2478586bfa2f16d485ab46933f12e8acb30a354fb09bc6920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5c2359e7435339247ab048d50f83b8716ed55407fe404c6616b9770aaf5709b",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.NA",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-02-29T13:28:39Z",
    "title_canon_sha256": "a279f1facbf7d736e649ff734121f198bc0ef6be045c1e02fbd4cb0dd8b8350f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6542",
    "kind": "arxiv",
    "version": 6
  }
}