Pith Number

pith:6QURZ4CB

pith:2025:6QURZ4CB43LXRYFDRAA44CJS2H

not attested not anchored not stored refs pending

A just-infinite iterated monodromy group without the congruence subgroup property

Santiago Radi

arxiv:2505.19649 v1 · 2025-05-26 · 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{6QURZ4CB43LXRYFDRAA44CJS2H}

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.

Cited by

1 paper in Pith

Groups of finite type: classification and structural properties

Receipt and verification

First computed	2026-07-05T11:09:33.986747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4291cf041e6d778e0a38801ce0932d1d49a0ad03da46e93755e2d70f455e5be

Aliases

arxiv: 2505.19649 · arxiv_version: 2505.19649v1 · doi: 10.48550/arxiv.2505.19649 · pith_short_12: 6QURZ4CB43LX · pith_short_16: 6QURZ4CB43LXRYFD · pith_short_8: 6QURZ4CB

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/6QURZ4CB43LXRYFDRAA44CJS2H \
  | 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: f4291cf041e6d778e0a38801ce0932d1d49a0ad03da46e93755e2d70f455e5be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772e24c01b9aafa368c88ff2e6947eb033384dd11e6688fc2b8824f79c5fd241",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2025-05-26T08:06:22Z",
    "title_canon_sha256": "1213b245cec8f10d06b2e51fbbff0cc448e1f083a2c4fdc37ec617d1a6caa333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.19649",
    "kind": "arxiv",
    "version": 1
  }
}