Pith Number

pith:AN5URH7G

pith:2016:AN5URH7GZJRWJNCHYYAURLHHOW

not attested not anchored not stored refs pending

The Basilica Thompson group is not finitely presented

Matthew C. B. Zaremsky, Stefan Witzel

arxiv:1603.01150 v1 · 2016-03-03 · math.GR · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AN5URH7GZJRWJNCHYYAURLHHOW}

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	2026-05-18T01:19:39.547052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

037b489fe6ca6364b447c60148ace775bc9a47b1340fe72741919c9341ff4f82

Aliases

arxiv: 1603.01150 · arxiv_version: 1603.01150v1 · doi: 10.48550/arxiv.1603.01150 · pith_short_12: AN5URH7GZJRW · pith_short_16: AN5URH7GZJRWJNCH · pith_short_8: AN5URH7G

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/AN5URH7GZJRWJNCHYYAURLHHOW \
  | 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: 037b489fe6ca6364b447c60148ace775bc9a47b1340fe72741919c9341ff4f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14417fc0b5ce6b177a60b5c0b5f8b8b859b4ef0ac259552182ec6bacc05ea001",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-03-03T16:06:32Z",
    "title_canon_sha256": "64597bb58810934dd7b5b620dcd8a61e8928a16576caedfe2e9d59d5fc042db1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01150",
    "kind": "arxiv",
    "version": 1
  }
}