pith. sign in
Pith Number

pith:JY3NTBOF

pith:2006:JY3NTBOF6WWZRIGZ7YOY26PA23
not attested not anchored not stored refs pending

Recursion and the Axiom of Infinity

Antonio Leon

arxiv:math/0609190 v4 · 2006-09-07 · math.GM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JY3NTBOF6WWZRIGZ7YOY26PA23}

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 2026-05-18T04:03:44.231345Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4e36d985c5f5ad98a0d9fe1d8d79e0d6fddd5f2eaf76d99729265a897c10cc1e

Aliases

arxiv: math/0609190 · arxiv_version: math/0609190v4 · doi: 10.48550/arxiv.math/0609190 · pith_short_12: JY3NTBOF6WWZ · pith_short_16: JY3NTBOF6WWZRIGZ · pith_short_8: JY3NTBOF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JY3NTBOF6WWZRIGZ7YOY26PA23 \
  | 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: 4e36d985c5f5ad98a0d9fe1d8d79e0d6fddd5f2eaf76d99729265a897c10cc1e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4bb0d5a0e708f1f6d950dec8a270135a9658dd6556674d4a2d2a19d165de42c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2006-09-07T03:00:19Z",
    "title_canon_sha256": "60fe352da76992ab93be45399d466745782d91ef39d4607066ae4eefb107eaf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0609190",
    "kind": "arxiv",
    "version": 4
  }
}