Pith Number

pith:7OXKHPFK

pith:2005:7OXKHPFKEFWYNC7IFKP2KZ4VAD

not attested not anchored not stored refs pending

Geophysical-astrophysical spectral-element adaptive refinement (GASpAR): Object-oriented h-adaptive code for geophysical fluid dynamics simulation

Aime' Fournier, Duane Rosenberg, Paul Fischer & Annick Pouquet

arxiv:math/0507402 v1 · 2005-07-19 · 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{7OXKHPFKEFWYNC7IFKP2KZ4VAD}

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	2026-06-03T22:06:17.264993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbaea3bcaa216d868be82a9fa5679500d1a7a94a818addd965967aa61b5a2f72

Aliases

arxiv: math/0507402 · arxiv_version: math/0507402v1 · doi: 10.48550/arxiv.math/0507402 · pith_short_12: 7OXKHPFKEFWY · pith_short_16: 7OXKHPFKEFWYNC7I · pith_short_8: 7OXKHPFK

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/7OXKHPFKEFWYNC7IFKP2KZ4VAD \
  | 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: fbaea3bcaa216d868be82a9fa5679500d1a7a94a818addd965967aa61b5a2f72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61c76a7db5513d3243d29034e18e6e49e595803ef70cba673f2beaab3e88692e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2005-07-19T23:17:21Z",
    "title_canon_sha256": "4d6dfd477de6340e26e99959c7bf2441626d3b1b5a4ef74c5dfc571d4562bb93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0507402",
    "kind": "arxiv",
    "version": 1
  }
}