Pith Number

pith:MOP6DC6Y

pith:2009:MOP6DC6YSNMVRDQY6LLC7Q4FMQ

not attested not anchored not stored refs pending

A family of mixed finite element pairs with optimal geostrophic balance

C. J. Cotter

arxiv:0905.0126 v1 · 2009-05-01 · math.NA · cs.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{MOP6DC6YSNMVRDQY6LLC7Q4FMQ}

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	2026-06-03T23:06:25.907033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

639fe18bd89359588e18f2d62fc385643d6a3df3aebce539608f8e9a47a9d682

Aliases

arxiv: 0905.0126 · arxiv_version: 0905.0126v1 · doi: 10.48550/arxiv.0905.0126 · pith_short_12: MOP6DC6YSNMV · pith_short_16: MOP6DC6YSNMVRDQY · pith_short_8: MOP6DC6Y

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/MOP6DC6YSNMVRDQY6LLC7Q4FMQ \
  | 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: 639fe18bd89359588e18f2d62fc385643d6a3df3aebce539608f8e9a47a9d682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ee0ad18750549752c68dfe455a51d3e097898606c4237886b95d5a85bc7b5d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-05-01T17:39:11Z",
    "title_canon_sha256": "c30eabde6876195ae3d0610b00cc3ea5e78a4800326b31bbf5b8bcf8e0352e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0126",
    "kind": "arxiv",
    "version": 1
  }
}