Pith Number

pith:C2N5L5PA

pith:2016:C2N5L5PAB5G4VPJKUHMXILUKWV

not attested not anchored not stored refs pending

On Arithmetical Truth of the Self-Referential Sentences

Kaave Lajevardi, Saeed Salehi

arxiv:1607.04055 v3 · 2016-07-14 · 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{C2N5L5PAB5G4VPJKUHMXILUKWV}

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	2026-05-17T23:41:56.868749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

169bd5f5e00f4dcabd2aa1d9742e8ab57ac2e8b464ffd2e509559f2eefd52d68

Aliases

arxiv: 1607.04055 · arxiv_version: 1607.04055v3 · doi: 10.48550/arxiv.1607.04055 · pith_short_12: C2N5L5PAB5G4 · pith_short_16: C2N5L5PAB5G4VPJK · pith_short_8: C2N5L5PA

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/C2N5L5PAB5G4VPJKUHMXILUKWV \
  | 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: 169bd5f5e00f4dcabd2aa1d9742e8ab57ac2e8b464ffd2e509559f2eefd52d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d6e1f3f1d3a74bc29671250e6c4af3f6082875e0e131b8a0ac5accb0bce4afe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-07-14T09:48:44Z",
    "title_canon_sha256": "4e9569ac3545878f372d4e5cf36493673600ce1b44956583260c66f660e4c482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04055",
    "kind": "arxiv",
    "version": 3
  }
}