Pith Number

pith:XWWI5DA3

pith:2017:XWWI5DA3CMBD2EEQFUMCBEUZDY

not attested not anchored not stored refs pending

On locally compact semitopological $0$-bisimple inverse $\omega$-semigroups

Oleg Gutik

arxiv:1703.01434 v2 · 2017-03-04 · math.GR · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWWI5DA3CMBD2EEQFUMCBEUZDY}

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	2026-05-18T00:16:09.272422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdac8e8c1b13023d10902d182092991e13c378c9c9fa7ab6ee4b189c79c5b9a8

Aliases

arxiv: 1703.01434 · arxiv_version: 1703.01434v2 · doi: 10.48550/arxiv.1703.01434 · pith_short_12: XWWI5DA3CMBD · pith_short_16: XWWI5DA3CMBD2EEQ · pith_short_8: XWWI5DA3

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/XWWI5DA3CMBD2EEQFUMCBEUZDY \
  | 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: bdac8e8c1b13023d10902d182092991e13c378c9c9fa7ab6ee4b189c79c5b9a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91404a311b43a38dbd8e9ba09797a6715788ec05d98fd97d59d8a5b7e8513903",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-03-04T10:27:07Z",
    "title_canon_sha256": "df5f0020f77ba395d5766cc2b6bd0478a22d0bf3d66161f699c3d3162ed2fb2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01434",
    "kind": "arxiv",
    "version": 2
  }
}