Pith Number

pith:43STSWKV

pith:2013:43STSWKVNIQUKWCG2E4SP55IVE

not attested not anchored not stored refs pending

Solving ordinary differential equations on the Infinity Computer by working with infinitesimals numerically

Yaroslav D. Sergeyev

arxiv:1307.3529 v1 · 2013-07-12 · math.NA · cs.MS · 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{43STSWKVNIQUKWCG2E4SP55IVE}

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	2026-05-18T03:18:38.969156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e53959556a21455846d13927f7a8a93c31dd213ebc56b6caf5f2e492518209

Aliases

arxiv: 1307.3529 · arxiv_version: 1307.3529v1 · doi: 10.48550/arxiv.1307.3529 · pith_short_12: 43STSWKVNIQU · pith_short_16: 43STSWKVNIQUKWCG · pith_short_8: 43STSWKV

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/43STSWKVNIQUKWCG2E4SP55IVE \
  | 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: e6e53959556a21455846d13927f7a8a93c31dd213ebc56b6caf5f2e492518209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56bc1812c472d8e714ac2e0ee50c0bfb7ac60cfc6127c41bcb9130570c70cf03",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-12T17:56:23Z",
    "title_canon_sha256": "f4614f33d5edba03199bebe2f936b810cf1438c9e091a360fd5b9e11a59a93a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3529",
    "kind": "arxiv",
    "version": 1
  }
}