Pith Number

pith:RQMK23XI

pith:2006:RQMK23XI5EOAHKYVHC65V7K2HS

not attested not anchored not stored refs pending

The structure of two generalization of the symmetric inverse semigroups

Ganna Kudryavtseva, Victor Maltcev

arxiv:math/0602623 v2 · 2006-02-27 · 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{RQMK23XI5EOAHKYVHC65V7K2HS}

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	2026-05-18T02:24:58.793742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c18ad6ee8e91c03ab1538bddafd5a3c8945fb874235c1d0efd86f863bb4076b

Aliases

arxiv: math/0602623 · arxiv_version: math/0602623v2 · doi: 10.48550/arxiv.math/0602623 · pith_short_12: RQMK23XI5EOA · pith_short_16: RQMK23XI5EOAHKYV · pith_short_8: RQMK23XI

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/RQMK23XI5EOAHKYVHC65V7K2HS \
  | 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: 8c18ad6ee8e91c03ab1538bddafd5a3c8945fb874235c1d0efd86f863bb4076b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac2f0e6b355f223a2d8e4ed29d02ccf8b5b039ac5bc2caab363006e10df3f51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2006-02-27T16:19:54Z",
    "title_canon_sha256": "acb030e4318cd4a5bcd51f31112a87b5980d6519c19092cb029cf786a0988a8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0602623",
    "kind": "arxiv",
    "version": 2
  }
}