Pith Number

pith:NJ2MES55

pith:2009:NJ2MES55TZ64KOHRFOUMKRTWRQ

not attested not anchored not stored refs pending

Practical implementation and error bounds of integer-type general algorithm for higher order differential equations

Fuminori Sakaguchi, Masahito Hayashi

arxiv:0903.4850 v6 · 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{NJ2MES55TZ64KOHRFOUMKRTWRQ}

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	2026-05-18T01:03:54.056475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a74c24bbd9e7dc538f12ba8c546768c3ccebbdad154e58e3647618927a59394

Aliases

arxiv: 0903.4850 · arxiv_version: 0903.4850v6 · doi: 10.48550/arxiv.0903.4850 · pith_short_12: NJ2MES55TZ64 · pith_short_16: NJ2MES55TZ64KOHR · pith_short_8: NJ2MES55

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/NJ2MES55TZ64KOHRFOUMKRTWRQ \
  | 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: 6a74c24bbd9e7dc538f12ba8c546768c3ccebbdad154e58e3647618927a59394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26ad9e8c9a3fac1957b6e7646e7a6667c3ebf82072d0a2e70cc26bab8f90e0c9",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-03-27T17:02:39Z",
    "title_canon_sha256": "082e8b569f24254b360203d8d5572d987ec7da30c30e94b43a127887edb4af33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4850",
    "kind": "arxiv",
    "version": 6
  }
}