Pith Number

pith:JCXAZCCH

pith:2013:JCXAZCCHYTUQBHL2YVPVDEU4WI

not attested not anchored not stored refs pending

The Ext algebra of the principal block of the Mathieu group M_11

David J. Green, Simon A. King

arxiv:1311.0025 v2 · 2013-10-31 · 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{JCXAZCCHYTUQBHL2YVPVDEU4WI}

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	2026-05-18T00:47:31.663023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48ae0c8847c4e9009d7ac55f51929cb20d683332dc31d5a9c45f6e866a0c9af0

Aliases

arxiv: 1311.0025 · arxiv_version: 1311.0025v2 · doi: 10.48550/arxiv.1311.0025 · pith_short_12: JCXAZCCHYTUQ · pith_short_16: JCXAZCCHYTUQBHL2 · pith_short_8: JCXAZCCH

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/JCXAZCCHYTUQBHL2YVPVDEU4WI \
  | 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: 48ae0c8847c4e9009d7ac55f51929cb20d683332dc31d5a9c45f6e866a0c9af0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6b3d7209a04a2229b532a7984b8138d254c240b06cf1712717a5a73a80f0594",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-10-31T20:27:01Z",
    "title_canon_sha256": "e95c16e84dbcde36851dade72b7a476d342f8d549281e5870a69968613f787db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0025",
    "kind": "arxiv",
    "version": 2
  }
}