Pith Number

pith:F5RP2Q5V

pith:2011:F5RP2Q5VBSLLKUNUBBUHBRB74U

not attested not anchored not stored refs pending

Maximal subsemigroups of the semigroup of all mappings on an infinite set

J. D. Mitchell, J. East, Y. P\'eresse

arxiv:1104.2011 v4 · 2011-04-11 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5RP2Q5VBSLLKUNUBBUHBRB74U}

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	2026-05-18T03:34:00.110909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f62fd43b50c96b551b4086870c43fe53777152f855942b028b17ea06c8145a0

Aliases

arxiv: 1104.2011 · arxiv_version: 1104.2011v4 · doi: 10.48550/arxiv.1104.2011 · pith_short_12: F5RP2Q5VBSLL · pith_short_16: F5RP2Q5VBSLLKUNU · pith_short_8: F5RP2Q5V

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/F5RP2Q5VBSLLKUNUBBUHBRB74U \
  | 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: 2f62fd43b50c96b551b4086870c43fe53777152f855942b028b17ea06c8145a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f28e4cc92f8a0266a863d0f733f2b8b6052a5fd21bd2c42df148b2707cc7c1d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-04-11T17:27:24Z",
    "title_canon_sha256": "d3e9dd1bc8134aca2c1814a42bfa1b5d533fe58b8e0c6d935dcedc0574aa1e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2011",
    "kind": "arxiv",
    "version": 4
  }
}