Pith Number

pith:2LSLC5KF

pith:2015:2LSLC5KFQSUK4AAN4BAUYDICSO

not attested not anchored not stored refs pending

Predicativity, the Russell-Myhill Paradox, and Church's Intensional Logic

Sean Walsh

arxiv:1506.02206 v1 · 2015-06-07 · 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{2LSLC5KFQSUK4AAN4BAUYDICSO}

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	2026-05-18T01:55:51.842331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e4b1754584a8ae000de0414c0d0293bf348d1988b6aea6a2e7f77209958127

Aliases

arxiv: 1506.02206 · arxiv_version: 1506.02206v1 · doi: 10.48550/arxiv.1506.02206 · pith_short_12: 2LSLC5KFQSUK · pith_short_16: 2LSLC5KFQSUK4AAN · pith_short_8: 2LSLC5KF

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/2LSLC5KFQSUK4AAN4BAUYDICSO \
  | 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: d2e4b1754584a8ae000de0414c0d0293bf348d1988b6aea6a2e7f77209958127

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f3a3ff8f6e72157bc4d1339e74a086ec527795e6a26c2c57bacdc22f27977a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-06-07T01:49:43Z",
    "title_canon_sha256": "b58d8040ec65c00b72ca1a61422135f64b598da3c4bb9cfc7bbadfac019c6c97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02206",
    "kind": "arxiv",
    "version": 1
  }
}