Pith Number

pith:75S5MBCF

pith:2022:75S5MBCF7Z52KIF6ZM6PNPMEX4

not attested not anchored not stored refs pending

Integration on the Surreals

Ovidiu Costin, Philip Ehrlich

arxiv:2208.14331 v5 · 2022-08-30 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75S5MBCF7Z52KIF6ZM6PNPMEX4}

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.

Cited by

1 paper in Pith

On Conway's Numbers and Games, the Von Neumann Universe, and Pure Set Theory

Receipt and verification

First computed	2026-07-05T08:40:04.131657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff65d60445fe7ba520becb3cf6bd84bf3ddffec47d0e100e4ba653c2ce478e0d

Aliases

arxiv: 2208.14331 · arxiv_version: 2208.14331v5 · doi: 10.48550/arxiv.2208.14331 · pith_short_12: 75S5MBCF7Z52 · pith_short_16: 75S5MBCF7Z52KIF6 · pith_short_8: 75S5MBCF

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/75S5MBCF7Z52KIF6ZM6PNPMEX4 \
  | 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: ff65d60445fe7ba520becb3cf6bd84bf3ddffec47d0e100e4ba653c2ce478e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "691b6f46b70974bd783b475abe8992f880d98e9343369fbec2d8a42b709642e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2022-08-30T15:16:43Z",
    "title_canon_sha256": "2af0dd7bb9bb7f50df903991e02d181dd0f85c3b8c95859e406fe6e950269827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.14331",
    "kind": "arxiv",
    "version": 5
  }
}