Pith Number

pith:CE635GJ5

pith:2014:CE635GJ5KU3A77KB35E7SO2RHC

not attested not anchored not stored refs pending

Enumerating Transformation Semigroups

Attila Egri-Nagy, James D. Mitchell, James East

arxiv:1403.0274 v4 · 2014-03-02 · 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{CE635GJ5KU3A77KB35E7SO2RHC}

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	2026-05-18T00:49:47.502254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

113dbe993d55360ffd41df49f93b5138b25f99e8cadc7941de62434f7be67410

Aliases

arxiv: 1403.0274 · arxiv_version: 1403.0274v4 · doi: 10.48550/arxiv.1403.0274 · pith_short_12: CE635GJ5KU3A · pith_short_16: CE635GJ5KU3A77KB · pith_short_8: CE635GJ5

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/CE635GJ5KU3A77KB35E7SO2RHC \
  | 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: 113dbe993d55360ffd41df49f93b5138b25f99e8cadc7941de62434f7be67410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45457dcaf913795452b7580df9ebdf9a3db18013aca504141adc67dd35f601ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-03-02T22:40:31Z",
    "title_canon_sha256": "5900f7bd4a5ba667fdd0adf1039d66118ad29581c446f816cbaf78ddc37cd8c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0274",
    "kind": "arxiv",
    "version": 4
  }
}