Pith Number

pith:SO2WKP4N

pith:2011:SO2WKP4NBXE75TCP5HAEZNPYIB

not attested not anchored not stored refs pending

Measuring club sequences, together with the Continuum Hypothesis

David Asper\'o, Miguel Angel Mota

arxiv:1110.6383 v2 · 2011-10-28 · 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{SO2WKP4NBXE75TCP5HAEZNPYIB}

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	2026-05-18T04:08:33.234769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93b5653f8d0dc9fecc4fe9c04cb5f8404a4b3a5482cc290d5d82ec6fdbb22d83

Aliases

arxiv: 1110.6383 · arxiv_version: 1110.6383v2 · doi: 10.48550/arxiv.1110.6383 · pith_short_12: SO2WKP4NBXE7 · pith_short_16: SO2WKP4NBXE75TCP · pith_short_8: SO2WKP4N

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/SO2WKP4NBXE75TCP5HAEZNPYIB \
  | 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: 93b5653f8d0dc9fecc4fe9c04cb5f8404a4b3a5482cc290d5d82ec6fdbb22d83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3696017041f5f14b17fb84a42b2d3f4a4fd38d3a1123a3029e75c6d972b74b03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-10-28T16:10:14Z",
    "title_canon_sha256": "7f0af5001ab5712888d9f3cb85a47434ceec1dd645c6b09454cf85e1be23d530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6383",
    "kind": "arxiv",
    "version": 2
  }
}