Pith Number

pith:KLXIXZDF

pith:2008:KLXIXZDF7EU4SR47UWKBY7XRVJ

not attested not anchored not stored refs pending

A collocated finite volume scheme to solve free convection for general non-conforming grids

Eric Ch\'enier (LETEM), Raphaele Herbin (LATP), Robert Eymard (LETEM)

arxiv:0805.3011 v2 · 2008-05-20 · math.NA · cs.NA · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLXIXZDF7EU4SR47UWKBY7XRVJ}

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	2026-06-03T22:06:06.245781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52ee8be465f929c9479fa5941c7ef1aa5facf586532a581229e46996b15d49d4

Aliases

arxiv: 0805.3011 · arxiv_version: 0805.3011v2 · doi: 10.48550/arxiv.0805.3011 · pith_short_12: KLXIXZDF7EU4 · pith_short_16: KLXIXZDF7EU4SR47 · pith_short_8: KLXIXZDF

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/KLXIXZDF7EU4SR47UWKBY7XRVJ \
  | 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: 52ee8be465f929c9479fa5941c7ef1aa5facf586532a581229e46996b15d49d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef31606190ab8e8b8cf6172561a9b3033fe07517c7f01689ee20f7928480d634",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-05-20T06:40:43Z",
    "title_canon_sha256": "94cc47c4999166062eefe341ee92c477217988c95f151151efb9816d760e9b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3011",
    "kind": "arxiv",
    "version": 2
  }
}