Pith Number

pith:J22HDBQ2

pith:2018:J22HDBQ2SU26M73KK5UVXCUGYS

not attested not anchored not stored refs pending

A variational principle for three-dimensional water waves over Beltrami flows

Erik Wahl\'en, Evgeniy Lokharu

arxiv:1804.04172 v1 · 2018-04-11 · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J22HDBQ2SU26M73KK5UVXCUGYS}

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	2026-05-18T00:18:40.573388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eb471861a9535e67f6a57695b8a86c48b49994dae45764af1033cd3198eaed5

Aliases

arxiv: 1804.04172 · arxiv_version: 1804.04172v1 · doi: 10.48550/arxiv.1804.04172 · pith_short_12: J22HDBQ2SU26 · pith_short_16: J22HDBQ2SU26M73K · pith_short_8: J22HDBQ2

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/J22HDBQ2SU26M73KK5UVXCUGYS \
  | 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: 4eb471861a9535e67f6a57695b8a86c48b49994dae45764af1033cd3198eaed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec0e142b0f7894a22c80163677f2256053d5cc73ec45a558f8888065e861c702",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-04-11T19:06:35Z",
    "title_canon_sha256": "516ba071813b27868a08383e7693392634b95e389a9d7fe35bfe4407cf786c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04172",
    "kind": "arxiv",
    "version": 1
  }
}