Pith Number

pith:K7WJWESD

pith:2022:K7WJWESDLUFUTAECHYEW7OOBXH

not attested not anchored not stored refs pending

Computably totally disconnected locally compact groups

Alexander Melnikov, Andre Nies

arxiv:2204.09878 v6 · 2022-04-21 · 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{K7WJWESDLUFUTAECHYEW7OOBXH}

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	2026-06-11T01:09:06.457136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57ec9b12435d0b4980823e096fb9c1b9de31006573dccabed7198355dadf78a5

Aliases

arxiv: 2204.09878 · arxiv_version: 2204.09878v6 · doi: 10.48550/arxiv.2204.09878 · pith_short_12: K7WJWESDLUFU · pith_short_16: K7WJWESDLUFUTAEC · pith_short_8: K7WJWESD

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/K7WJWESDLUFUTAECHYEW7OOBXH \
  | 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: 57ec9b12435d0b4980823e096fb9c1b9de31006573dccabed7198355dadf78a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0c21066acc8d056b744ae11b9fdecf9317fde03f145376f251fc3aafcd906da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2022-04-21T04:46:35Z",
    "title_canon_sha256": "6e96d45832cf473053ec6df5537c583cde9f32f248857334c7bd374feb42f666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.09878",
    "kind": "arxiv",
    "version": 6
  }
}