Pith Number

pith:L42ABUXB

pith:2014:L42ABUXBYTRPGDAVGGRE26VLJV

not attested not anchored not stored refs pending

Initial surface disturbance on a shear current: the Cauchy--Poisson problem with a twist

Simen {\AA}. Ellingsen

arxiv:1407.5781 v1 · 2014-07-22 · 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{L42ABUXBYTRPGDAVGGRE26VLJV}

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	2026-05-18T01:42:33.231891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f3400d2e1c4e2f30c1531a24d7aab4d7f412baa24686ca7f28a0e725efa6495

Aliases

arxiv: 1407.5781 · arxiv_version: 1407.5781v1 · doi: 10.48550/arxiv.1407.5781 · pith_short_12: L42ABUXBYTRP · pith_short_16: L42ABUXBYTRPGDAV · pith_short_8: L42ABUXB

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/L42ABUXBYTRPGDAVGGRE26VLJV \
  | 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: 5f3400d2e1c4e2f30c1531a24d7aab4d7f412baa24686ca7f28a0e725efa6495

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5267ebb33ba2918162d80cc02a642b26a8ce9ab6c3275672ed2566dfae511a3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-07-22T08:17:27Z",
    "title_canon_sha256": "8b6dba1206b336ab299ca0a7a2f763e85f13d53b38bc69a69a84b59fca9a52b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5781",
    "kind": "arxiv",
    "version": 1
  }
}