Pith Number

pith:MTVT323Y

pith:2025:MTVT323Y6FK6R2OSZPU5AW3OXX

not attested not anchored not stored refs pending

Membership and Conjugacy in Inverse Semigroups

Alexander Thumm, Armin Wei{\ss}, Florian Stober, Lukas Fleischer

arxiv:2502.10103 v2 · 2025-02-14 · cs.CC · cs.FL · 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{MTVT323Y6FK6R2OSZPU5AW3OXX}

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	2026-07-05T11:49:32.546509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64eb3deb78f155e8e9d2cbe9d05b6ebdc578d9e8b171176107de258ffbd2a0ac

Aliases

arxiv: 2502.10103 · arxiv_version: 2502.10103v2 · doi: 10.48550/arxiv.2502.10103 · pith_short_12: MTVT323Y6FK6 · pith_short_16: MTVT323Y6FK6R2OS · pith_short_8: MTVT323Y

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/MTVT323Y6FK6R2OSZPU5AW3OXX \
  | 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: 64eb3deb78f155e8e9d2cbe9d05b6ebdc578d9e8b171176107de258ffbd2a0ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97de83efd7c6d4c901a641155c9a10a26385affaa8b5db258a5e45a5c84e024a",
    "cross_cats_sorted": [
      "cs.FL",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2025-02-14T11:56:45Z",
    "title_canon_sha256": "f1b32880d40221693384665fdcf1711735ce97bc2e913e739edfcb3f8ccc1d48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.10103",
    "kind": "arxiv",
    "version": 2
  }
}