Pith Number

pith:2HIKHI7X

pith:2023:2HIKHI7XUWHXRHESPM3VCNDRTT

not attested not anchored not stored refs pending

Surreal substructures

Joris van der Hoeven, Vincent Bagayoko

arxiv:2305.02001 v1 · 2023-05-03 · 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{2HIKHI7XUWHXRHESPM3VCNDRTT}

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	2026-07-05T06:06:46.427119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d0a3a3f7a58f789c927b375134719cdbb3223a4ae0c1099291fc90846e7d55

Aliases

arxiv: 2305.02001 · arxiv_version: 2305.02001v1 · doi: 10.48550/arxiv.2305.02001 · pith_short_12: 2HIKHI7XUWHX · pith_short_16: 2HIKHI7XUWHXRHES · pith_short_8: 2HIKHI7X

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/2HIKHI7XUWHXRHESPM3VCNDRTT \
  | 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: d1d0a3a3f7a58f789c927b375134719cdbb3223a4ae0c1099291fc90846e7d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fdcfa5a00fd044119077809a85975d0ef9ebc935daf6f52f38d551bb668b49d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2023-05-03T09:43:30Z",
    "title_canon_sha256": "1d6f16954ccb9d92f39b182f8087980e2d308fe395fe49e4decd0efe02b1293a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.02001",
    "kind": "arxiv",
    "version": 1
  }
}