Pith Number

pith:NSHJSITE

pith:2009:NSHJSITEU5Z7ZWKGZFKXJW6UUC

not attested not anchored not stored refs pending

General theory for integer-type algorithm for higher order differential equations

Fuminori Sakaguchi, Masahito Hayashi

arxiv:0903.4848 v5 · 2009-03-27 · math.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSHJSITEU5Z7ZWKGZFKXJW6UUC}

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	2026-05-18T04:19:32.712477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c8e992264a773fcd946c95574dbd4a0b6be639560e2d0877420d962f1975fc1

Aliases

arxiv: 0903.4848 · arxiv_version: 0903.4848v5 · doi: 10.48550/arxiv.0903.4848 · pith_short_12: NSHJSITEU5Z7 · pith_short_16: NSHJSITEU5Z7ZWKG · pith_short_8: NSHJSITE

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/NSHJSITEU5Z7ZWKGZFKXJW6UUC \
  | 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: 6c8e992264a773fcd946c95574dbd4a0b6be639560e2d0877420d962f1975fc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2917a9b06972490a2e59629014b18edf2106b806503a1d6b4bf743c1301bae7",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-03-27T16:58:35Z",
    "title_canon_sha256": "18f5b14791411169f13553aaf41cf53d33142df2586e7a32c24700d980f9ceb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4848",
    "kind": "arxiv",
    "version": 5
  }
}