Pith Number

pith:44W6A5S6

pith:2016:44W6A5S6DXR7HD3FA6ZUQDW6ES

not attested not anchored not stored refs pending

Largest initial segments pointwise fixed by automorphisms of models of set theory

Ali Enayat, Matt Kaufmann, Zachiri McKenzie

arxiv:1606.04002 v3 · 2016-06-13 · 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{44W6A5S6DXR7HD3FA6ZUQDW6ES}

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	2026-05-18T00:57:04.319925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e72de0765e1de3f38f6507b3480ede24a6db9e52e63531785e83c2983d7f8314

Aliases

arxiv: 1606.04002 · arxiv_version: 1606.04002v3 · doi: 10.48550/arxiv.1606.04002 · pith_short_12: 44W6A5S6DXR7 · pith_short_16: 44W6A5S6DXR7HD3F · pith_short_8: 44W6A5S6

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/44W6A5S6DXR7HD3FA6ZUQDW6ES \
  | 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: e72de0765e1de3f38f6507b3480ede24a6db9e52e63531785e83c2983d7f8314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c686744295085e2dd884986e68a89cb89292d39c9add2bd649142c1e553b430c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-06-13T15:46:37Z",
    "title_canon_sha256": "60e50b0d5c46f2ecc824aafcc378bc780a5440f619755599167a763ebdb07c0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04002",
    "kind": "arxiv",
    "version": 3
  }
}