Pith Number

pith:5ZYQO3KF

pith:2012:5ZYQO3KFYHBPDLWTLEVPG74APA

not attested not anchored not stored refs pending

Camassa-Holm type equations for axisymmetric Poiseuille pipe flows

Denys Dutykh (LAMA), Francesco Fedele (ECE GeorgiaTech)

arxiv:1211.4233 v3 · 2012-11-18 · physics.flu-dyn · cs.NA · math.NA · nlin.CD · physics.class-ph · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZYQO3KFYHBPDLWTLEVPG74APA}

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	2026-06-03T23:07:34.597530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee71076d45c1c2f1aed3592af37f807815b30a89db6b51cec6e9a3a678e734e8

Aliases

arxiv: 1211.4233 · arxiv_version: 1211.4233v3 · doi: 10.48550/arxiv.1211.4233 · pith_short_12: 5ZYQO3KFYHBP · pith_short_16: 5ZYQO3KFYHBPDLWT · pith_short_8: 5ZYQO3KF

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/5ZYQO3KFYHBPDLWTLEVPG74APA \
  | 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: ee71076d45c1c2f1aed3592af37f807815b30a89db6b51cec6e9a3a678e734e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76f4c317755e157584f6941897dca3f79e094f36f65bdd541893e4ef8968c3a8",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "nlin.CD",
      "physics.class-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-11-18T17:02:07Z",
    "title_canon_sha256": "a6492b88212dac6dc5e2add4ec59940c8bb1cf45b48360d94b34e03fc76ee29a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4233",
    "kind": "arxiv",
    "version": 3
  }
}