Pith Number

pith:TXBHA2YS

pith:2026:TXBHA2YS4QILJZDZJ33RIF3ABJ

not attested not anchored not stored refs pending

Real 2-blocks in quasi-simple groups

A. A. Schaeffer Fry, John Revere McHugh

arxiv:2605.22969 v1 · 2026-05-21 · math.RT · 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{TXBHA2YS4QILJZDZJ33RIF3ABJ}

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	2026-05-25T02:01:32.641052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dc2706b12e410b4e4794ef71417600a6bb4c2f203a8352893964666fc1ee829

Aliases

arxiv: 2605.22969 · arxiv_version: 2605.22969v1 · doi: 10.48550/arxiv.2605.22969 · pith_short_12: TXBHA2YS4QIL · pith_short_16: TXBHA2YS4QILJZDZ · pith_short_8: TXBHA2YS

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/TXBHA2YS4QILJZDZJ33RIF3ABJ \
  | 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: 9dc2706b12e410b4e4794ef71417600a6bb4c2f203a8352893964666fc1ee829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e6366dc2966c9f2393b02f4a36c598cd234e19bd62c584628f0dcf39446c9ad",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2026-05-21T18:56:42Z",
    "title_canon_sha256": "14bf3bc1d9d94df150e9142cdba7ad627fa13ff0824a4a3c31a176ac51a24b0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22969",
    "kind": "arxiv",
    "version": 1
  }
}