Pith Number

pith:GPQ3DPOY

pith:2007:GPQ3DPOYUDZY3O36MPEQASLKAC

not attested not anchored not stored refs pending

Study of a finite volume - finite element scheme for a nuclear transport model

Catherine Choquet, Sebastien Zimmermann

arxiv:0704.1286 v1 · 2007-04-10 · 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{GPQ3DPOYUDZY3O36MPEQASLKAC}

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	2026-06-03T22:06:00.341209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e1b1bdd8a0f38dbb7e63c900496a00b42222950bc9257903ee426376da4255

Aliases

arxiv: 0704.1286 · arxiv_version: 0704.1286v1 · doi: 10.48550/arxiv.0704.1286 · pith_short_12: GPQ3DPOYUDZY · pith_short_16: GPQ3DPOYUDZY3O36 · pith_short_8: GPQ3DPOY

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/GPQ3DPOYUDZY3O36MPEQASLKAC \
  | 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: 33e1b1bdd8a0f38dbb7e63c900496a00b42222950bc9257903ee426376da4255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75aae6f362b42bab40c5b1b6f19a15b3eb5fe769c24998f74405bf54c6c63a21",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-04-10T18:01:39Z",
    "title_canon_sha256": "60ae09090d09a0cf24be16ba651ac8e45390bda953e8869cfb10521528c34d97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1286",
    "kind": "arxiv",
    "version": 1
  }
}