Pith Number

pith:PNXHEZNI

pith:2012:PNXHEZNIALYU4ZYFXOP74TW6TS

not attested not anchored not stored refs pending

A new applied approach for executing computations with infinite and infinitesimal quantities

Yaroslav D. Sergeyev

arxiv:1203.3132 v1 · 2012-03-14 · math.GM · math.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{PNXHEZNIALYU4ZYFXOP74TW6TS}

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	2026-05-18T03:59:48.917172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b6e7265a802f14e6705bb9ffe4ede9c875cbe8ac6e91f310496cbea3f4e646f

Aliases

arxiv: 1203.3132 · arxiv_version: 1203.3132v1 · doi: 10.48550/arxiv.1203.3132 · pith_short_12: PNXHEZNIALYU · pith_short_16: PNXHEZNIALYU4ZYF · pith_short_8: PNXHEZNI

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/PNXHEZNIALYU4ZYFXOP74TW6TS \
  | 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: 7b6e7265a802f14e6705bb9ffe4ede9c875cbe8ac6e91f310496cbea3f4e646f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79cc8080679c9c4535adbb0299f2848ff6d5c4765f50c4196fe3a90ffa081808",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2012-03-14T16:40:34Z",
    "title_canon_sha256": "6ce7938f57b4801b4f3cfc2b4d029fcb7447725adf74a1c7dc4ee3f82a182d54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3132",
    "kind": "arxiv",
    "version": 1
  }
}