Pith Number

pith:QQWXUJTE

pith:2018:QQWXUJTEIOPOOCPS47AGRPYAMU

not attested not anchored not stored refs pending

$E$-solid locally inverse semigroups

Istv\'an Szittyai, M\'aria B. Szendrei, Tam\'as D\'ek\'any

arxiv:1807.01265 v1 · 2018-07-03 · 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{QQWXUJTEIOPOOCPS47AGRPYAMU}

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	2026-05-18T00:11:44.755112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842d7a2664439ee709f2e7c068bf0065064ea239998be33a925c66ca9feb92c5

Aliases

arxiv: 1807.01265 · arxiv_version: 1807.01265v1 · doi: 10.48550/arxiv.1807.01265 · pith_short_12: QQWXUJTEIOPO · pith_short_16: QQWXUJTEIOPOOCPS · pith_short_8: QQWXUJTE

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/QQWXUJTEIOPOOCPS47AGRPYAMU \
  | 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: 842d7a2664439ee709f2e7c068bf0065064ea239998be33a925c66ca9feb92c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b25e4ac3f695ddbdd7c37f1d06e14853af12b2254fec4c4bcefb4ba0d2852c3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-07-03T16:25:54Z",
    "title_canon_sha256": "1109e5193d62ed0b52178b71a51ca588d8d44a7a0f407980b756a0500101e025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01265",
    "kind": "arxiv",
    "version": 1
  }
}