Pith Number

pith:Q4L54XGD

pith:2012:Q4L54XGDGH6WU7X7QSFYWGTHWT

not attested not anchored not stored refs pending

Numerical computations and mathematical modelling with infinite and infinitesimal numbers

Yaroslav D. Sergeyev

arxiv:1203.3163 v1 · 2012-03-14 · math.NA · cs.ET · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4L54XGDGH6WU7X7QSFYWGTHWT}

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	2026-05-18T04:00:03.185158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8717de5cc331fd6a7eff848b8b1a67b4f2ae3a1366f32c9651d97baf724cb930

Aliases

arxiv: 1203.3163 · arxiv_version: 1203.3163v1 · doi: 10.48550/arxiv.1203.3163 · pith_short_12: Q4L54XGDGH6W · pith_short_16: Q4L54XGDGH6WU7X7 · pith_short_8: Q4L54XGD

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/Q4L54XGDGH6WU7X7QSFYWGTHWT \
  | 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: 8717de5cc331fd6a7eff848b8b1a67b4f2ae3a1366f32c9651d97baf724cb930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fe7b7d74e829c72ed723066c975e851bd76043a03411dc4984b335e5cabf485",
    "cross_cats_sorted": [
      "cs.ET",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-03-14T18:18:17Z",
    "title_canon_sha256": "9ba2b338a3fee50c426a15aa53a15cfcd3602013d84762721e6f0a0171b22d12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3163",
    "kind": "arxiv",
    "version": 1
  }
}