Pith Number

pith:ZK5ZCJQY

pith:2018:ZK5ZCJQYUD4NCTSYZGVJ5XDCGP

not attested not anchored not stored refs pending

On omega-categorical groups and rings of finite burden

Frank Olaf Wagner (AGL), Jan Dobrowolski

arxiv:1806.10462 v3 · 2018-06-27 · math.LO · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZK5ZCJQYUD4NCTSYZGVJ5XDCGP}

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	2026-05-18T00:00:13.057004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cabb912618a0f8d14e58c9aa9edc6233c7de52118d9fb66d6edc38083513e028

Aliases

arxiv: 1806.10462 · arxiv_version: 1806.10462v3 · doi: 10.48550/arxiv.1806.10462 · pith_short_12: ZK5ZCJQYUD4N · pith_short_16: ZK5ZCJQYUD4NCTSY · pith_short_8: ZK5ZCJQY

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/ZK5ZCJQYUD4NCTSYZGVJ5XDCGP \
  | 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: cabb912618a0f8d14e58c9aa9edc6233c7de52118d9fb66d6edc38083513e028

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8117d033e1c33b8c2933c8fb491d4dc629ce858900fde5c58d0bd6bb526bc81a",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-06-27T13:16:42Z",
    "title_canon_sha256": "3d0c60d3d3eee7f0df8230858819806595b1c48f007ad8b86d54d7c5ef565df9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10462",
    "kind": "arxiv",
    "version": 3
  }
}