Pith Number

pith:FWUWOSML

pith:2017:FWUWOSML64TH23DYSS7OIU36RT

not attested not anchored not stored refs pending

Fixed Points of Self-embeddings of Models of Arithmetic

Ali Enayat, Saeideh Bahrami

arxiv:1703.02588 v3 · 2017-03-07 · 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{FWUWOSML64TH23DYSS7OIU36RT}

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	2026-05-18T00:25:20.991519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da967498bf7267d6c7894bee4537e8cd223be7ec1f6a3e2fbc0b4d6318f0b6f

Aliases

arxiv: 1703.02588 · arxiv_version: 1703.02588v3 · doi: 10.48550/arxiv.1703.02588 · pith_short_12: FWUWOSML64TH · pith_short_16: FWUWOSML64TH23DY · pith_short_8: FWUWOSML

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/FWUWOSML64TH23DYSS7OIU36RT \
  | 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: 2da967498bf7267d6c7894bee4537e8cd223be7ec1f6a3e2fbc0b4d6318f0b6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a194912338e1840303eeeefab603777be78b0edb4f0c00045f509d7a00954355",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-03-07T20:47:05Z",
    "title_canon_sha256": "290c04b53372b7c7e9ee74d30b3e0d91284f1ee17ce269ce7de91b7c290babb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02588",
    "kind": "arxiv",
    "version": 3
  }
}