Pith Number

pith:UYZ6AMVK

pith:2013:UYZ6AMVKQHHBVTT6BR4YLO7IUE

not attested not anchored not stored refs pending

Categoricity in Quasiminimal Pregeometry Classes

Levon Haykazyan

arxiv:1308.1892 v2 · 2013-08-08 · 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{UYZ6AMVKQHHBVTT6BR4YLO7IUE}

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	2026-05-18T02:55:18.372736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a633e032aa81ce1ace7e0c7985bbe8a100b7550ee5f3c9bb69050422db102519

Aliases

arxiv: 1308.1892 · arxiv_version: 1308.1892v2 · doi: 10.48550/arxiv.1308.1892 · pith_short_12: UYZ6AMVKQHHB · pith_short_16: UYZ6AMVKQHHBVTT6 · pith_short_8: UYZ6AMVK

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/UYZ6AMVKQHHBVTT6BR4YLO7IUE \
  | 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: a633e032aa81ce1ace7e0c7985bbe8a100b7550ee5f3c9bb69050422db102519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eb50aaa7e0629f798cbf95b5829f1bfd0ce9df2b336f661ede525eacb42db98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-08-08T16:14:43Z",
    "title_canon_sha256": "b98e9a539712390b02db4a7fb7e376f040e9a798958fb8cf7b9c145a725ca5b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1892",
    "kind": "arxiv",
    "version": 2
  }
}