Pith Number

pith:MR7VOINN

pith:2014:MR7VOINN4XEES7SQNBWQWADVJ5

not attested not anchored not stored refs pending

Simple Type Theory with Undefinedness, Quotation, and Evaluation

William M. Farmer

arxiv:1406.6706 v4 · 2014-06-25 · math.LO · cs.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{MR7VOINN4XEES7SQNBWQWADVJ5}

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	2026-05-18T00:55:34.559120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647f5721ade5c8497e50686d0b00754f42df0b355ea52e718124ef684d8bfcb5

Aliases

arxiv: 1406.6706 · arxiv_version: 1406.6706v4 · doi: 10.48550/arxiv.1406.6706 · pith_short_12: MR7VOINN4XEE · pith_short_16: MR7VOINN4XEES7SQ · pith_short_8: MR7VOINN

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/MR7VOINN4XEES7SQNBWQWADVJ5 \
  | 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: 647f5721ade5c8497e50686d0b00754f42df0b355ea52e718124ef684d8bfcb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bbe0a13b42832f5284a092c381012e7ded09c995b1f6152089f8cc528e47c1b",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-06-25T20:25:51Z",
    "title_canon_sha256": "1749c7d32fcfa3ecab7c60571030393504b23669916977a39517ba4248dafdd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6706",
    "kind": "arxiv",
    "version": 4
  }
}