Pith Number

pith:EENLAM6Y

pith:2009:EENLAM6YFFYUZZ477PPDFYFTWE

not attested not anchored not stored refs pending

New Upper Bounds on the Spreads of Some Large Sporadic Groups

Ben Fairbairn

arxiv:0907.2028 v3 · 2009-07-12 · math.GR

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T04:23:11.775637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

211ab033d829714ce79ffbde32e0b3b135d9227281b0524235e1233f79fedd31

Aliases

arxiv: 0907.2028 · arxiv_version: 0907.2028v3 · doi: 10.48550/arxiv.0907.2028

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EENLAM6YFFYUZZ477PPDFYFTWE \
  | 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: 211ab033d829714ce79ffbde32e0b3b135d9227281b0524235e1233f79fedd31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e78e12b1ac4fef6b0ad78ebc31128b222685ebaa0bf7b6cc82123752cd994a93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2009-07-12T11:38:13Z",
    "title_canon_sha256": "c99529ca8f8830c401bfb8a4d1334c8a3edd0b414ec9b6f81b578aebc9d04243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2028",
    "kind": "arxiv",
    "version": 3
  }
}