Pith Number

pith:AOIGXXUI

pith:2023:AOIGXXUIZB5KIFEOBJJ3ETDOLH

not attested not anchored not stored refs pending

Pseudo-$F_4$ is isomorphic to $F_4$

James Belk, Liam Stott

arxiv:2303.16868 v1 · 2023-03-29 · 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{AOIGXXUIZB5KIFEOBJJ3ETDOLH}

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

On the generation problem in Thompson's groups $F_n$

Receipt and verification

First computed	2026-07-05T05:56:11.224430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03906bde88c87aa4148e0a53b24c6e59e14a7df9ea6e6e33e89711128bcd798b

Aliases

arxiv: 2303.16868 · arxiv_version: 2303.16868v1 · doi: 10.48550/arxiv.2303.16868 · pith_short_12: AOIGXXUIZB5K · pith_short_16: AOIGXXUIZB5KIFEO · pith_short_8: AOIGXXUI

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/AOIGXXUIZB5KIFEOBJJ3ETDOLH \
  | 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: 03906bde88c87aa4148e0a53b24c6e59e14a7df9ea6e6e33e89711128bcd798b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a55007cac7decdd1caeb7ef7d0f94f6d5d92ad25bbd82221507f675a792678d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2023-03-29T17:25:43Z",
    "title_canon_sha256": "e4895af59592d19462d14c1187dd2cba5143022ec1012400e94cb9d6c8998c3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.16868",
    "kind": "arxiv",
    "version": 1
  }
}