Pith Number

pith:RUWTCCTG

pith:1992:RUWTCCTGQY777KM4PTOAHFEJKY

not attested not anchored not stored refs pending

On the Singular Cardinal Hypothesis

William J. Mitchell

arxiv:math/9204202 v1 · 1992-04-06 · 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{RUWTCCTGQY777KM4PTOAHFEJKY}

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	2026-05-18T01:05:52.964302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d2d310a66863fffa99c7cdc039489560e55bf9d8f14f371472b6064f00c3eb5

Aliases

arxiv: math/9204202 · arxiv_version: math/9204202v1 · doi: 10.48550/arxiv.math/9204202 · pith_short_12: RUWTCCTGQY77 · pith_short_16: RUWTCCTGQY777KM4 · pith_short_8: RUWTCCTG

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/RUWTCCTGQY777KM4PTOAHFEJKY \
  | 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: 8d2d310a66863fffa99c7cdc039489560e55bf9d8f14f371472b6064f00c3eb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ebd85c05b7c6750d3b6ba1b0c1e89f9dc80bab6df895e22b57097649a44454",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1992-04-06T00:00:00Z",
    "title_canon_sha256": "e2db7051a2e1c7ebf451228c8135ffdd3595314c16f54d901d5e3a9bf3d834dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9204202",
    "kind": "arxiv",
    "version": 1
  }
}