Pith Number

pith:73EHV3EZ

pith:2012:73EHV3EZF72KZDLI7T5KIPCBPU

not attested not anchored not stored refs pending

Odd Characterizations of Almost Simple Groups (PhD Thesis 2009)

Sarah Astill

arxiv:1209.5542 v1 · 2012-09-25 · 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{73EHV3EZF72KZDLI7T5KIPCBPU}

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	2026-05-18T03:44:48.231055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec87aec992ff4ac8d68fcfaa43c417d105cddede4c827993fe0fd177820115c

Aliases

arxiv: 1209.5542 · arxiv_version: 1209.5542v1 · doi: 10.48550/arxiv.1209.5542 · pith_short_12: 73EHV3EZF72K · pith_short_16: 73EHV3EZF72KZDLI · pith_short_8: 73EHV3EZ

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/73EHV3EZF72KZDLI7T5KIPCBPU \
  | 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: fec87aec992ff4ac8d68fcfaa43c417d105cddede4c827993fe0fd177820115c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb8b858e26c189c522a83840c3e74dcabbeb2edc63d39eff9a666abd102e8ebd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-09-25T08:53:30Z",
    "title_canon_sha256": "836d49f1808a36e1dccdd00a1eb647a542b35cf14d557092cbe3efb3d342e2e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5542",
    "kind": "arxiv",
    "version": 1
  }
}