Pith Number

pith:QH7CLNQE

pith:2014:QH7CLNQEEKDERMDYDVLERQQM4E

not attested not anchored not stored refs pending

A primal-dual mimetic finite element scheme for the rotating shallow water equations on polygonal spherical meshes

Colin J. Cotter, John Thuburn

arxiv:1409.8130 v1 · 2014-09-29 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QH7CLNQEEKDERMDYDVLERQQM4E}

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	2026-05-18T01:41:54.405288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fe25b604228648b0781d5648c20ce10e147badb10c9d87631b6c2a74c7dbbd

Aliases

arxiv: 1409.8130 · arxiv_version: 1409.8130v1 · doi: 10.48550/arxiv.1409.8130 · pith_short_12: QH7CLNQEEKDE · pith_short_16: QH7CLNQEEKDERMDY · pith_short_8: QH7CLNQE

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/QH7CLNQEEKDERMDYDVLERQQM4E \
  | 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: 81fe25b604228648b0781d5648c20ce10e147badb10c9d87631b6c2a74c7dbbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f8df250553cbc6148d4166ec83d0d79e975e795f5deff46463182e4d401b48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-29T14:16:00Z",
    "title_canon_sha256": "1527751f9ad5d37a254abb23d17b3e547285bc9b9d59a9f730cabec4f1e648ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8130",
    "kind": "arxiv",
    "version": 1
  }
}