Pith Number

pith:DD6D3DOO

pith:2008:DD6D3DOOONS3RHB45PLDE277GT

not attested not anchored not stored refs pending

A mixed discontinuous/continuous finite element pair for shallow-water ocean modelling

C. C. Pain, C. J. Cotter, D. A. Ham

arxiv:0805.4380 v2 · 2008-05-28 · 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{DD6D3DOOONS3RHB45PLDE277GT}

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	2026-06-03T22:06:06.516147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18fc3d8dce7365b89c3cebd6326bff34ccb122b7f3c199f3d3ffc79c738dbf08

Aliases

arxiv: 0805.4380 · arxiv_version: 0805.4380v2 · doi: 10.48550/arxiv.0805.4380 · pith_short_12: DD6D3DOOONS3 · pith_short_16: DD6D3DOOONS3RHB4 · pith_short_8: DD6D3DOO

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/DD6D3DOOONS3RHB45PLDE277GT \
  | 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: 18fc3d8dce7365b89c3cebd6326bff34ccb122b7f3c199f3d3ffc79c738dbf08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d138705b49f580cbce7f14f742185cf074d80fda1a1a78b82c3dc237e1aaadb4",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-05-28T16:05:21Z",
    "title_canon_sha256": "5a3d95302164f68d39d74abdc2bc3d0e521c3131ed2aeb173fb32d8f73e2d491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4380",
    "kind": "arxiv",
    "version": 2
  }
}