Pith Number

pith:4IXI7BY2

pith:2016:4IXI7BY2ZVMU6JPKQ4TNE6Z4WI

not attested not anchored not stored refs pending

A characterisation of A-simple groups

Paul Flavell

arxiv:1609.03028 v1 · 2016-09-10 · 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{4IXI7BY2ZVMU6JPKQ4TNE6Z4WI}

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	2026-05-18T01:04:49.104641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e22e8f871acd594f25ea8726d27b3cb20372e4ac2c9ad20b9bd8698164c54bb8

Aliases

arxiv: 1609.03028 · arxiv_version: 1609.03028v1 · doi: 10.48550/arxiv.1609.03028 · pith_short_12: 4IXI7BY2ZVMU · pith_short_16: 4IXI7BY2ZVMU6JPK · pith_short_8: 4IXI7BY2

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/4IXI7BY2ZVMU6JPKQ4TNE6Z4WI \
  | 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: e22e8f871acd594f25ea8726d27b3cb20372e4ac2c9ad20b9bd8698164c54bb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a016a1e55bee7dc6e7b84b1306ad9ee81b4881df2a0f6221268b9697956441e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-09-10T10:58:27Z",
    "title_canon_sha256": "a39023781cf30d40cdad6a653fd7ddcf76c6b429b3b5a12da4b512e36c15ff3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03028",
    "kind": "arxiv",
    "version": 1
  }
}