Pith Number

pith:N5OJOMYD

pith:2012:N5OJOMYDCVZFMEBOBT7NWGUO6M

not attested not anchored not stored refs pending

Alternative Mathematics without Actual Infinity

Toru Tsujishita

arxiv:1204.2193 v2 · 2012-04-09 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5OJOMYDCVZFMEBOBT7NWGUO6M}

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	2026-05-18T03:53:43.524453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f5c973303157256102e0cfedb1a8ef3396b479ca18de27fe1f42fa27385863d

Aliases

arxiv: 1204.2193 · arxiv_version: 1204.2193v2 · doi: 10.48550/arxiv.1204.2193 · pith_short_12: N5OJOMYDCVZF · pith_short_16: N5OJOMYDCVZFMEBO · pith_short_8: N5OJOMYD

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/N5OJOMYDCVZFMEBOBT7NWGUO6M \
  | 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: 6f5c973303157256102e0cfedb1a8ef3396b479ca18de27fe1f42fa27385863d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "722a0c3a573fc41ff475e64bdfebe5cb523b11eb67ec614cd958a09290dd5e10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2012-04-09T01:13:40Z",
    "title_canon_sha256": "b36406cac45ac4497b56c777b35fb4ba3d39302c670ffbb61ab1614559ed75d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2193",
    "kind": "arxiv",
    "version": 2
  }
}