Pith Number

pith:Z4JW5ZP6

pith:2014:Z4JW5ZP67DDVS53HX7BW6JJB4Q

not attested not anchored not stored refs pending

A note on the computable categoricity of l^p spaces

Timothy H. McNicholl

arxiv:1412.2288 v4 · 2014-12-06 · 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{Z4JW5ZP67DDVS53HX7BW6JJB4Q}

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	2026-05-18T02:19:35.765153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf136ee5fef8c7597767bfc36f2521e40b928564c190d56ed6ce4d32a0a7c922

Aliases

arxiv: 1412.2288 · arxiv_version: 1412.2288v4 · doi: 10.48550/arxiv.1412.2288 · pith_short_12: Z4JW5ZP67DDV · pith_short_16: Z4JW5ZP67DDVS53H · pith_short_8: Z4JW5ZP6

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/Z4JW5ZP67DDVS53HX7BW6JJB4Q \
  | 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: cf136ee5fef8c7597767bfc36f2521e40b928564c190d56ed6ce4d32a0a7c922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21dfaf68953cfa69103a683c52f98e1870243c732ecc589f85cb65f6cb978576",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-12-06T21:58:44Z",
    "title_canon_sha256": "b77f67247ea2ba4097a35f963811ca2100ede9d950c084edb0ea87b57497fe1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2288",
    "kind": "arxiv",
    "version": 4
  }
}