Pith Number

pith:ESXMC2KX

pith:2025:ESXMC2KXUPEIVCQLHKR665E732

not attested not anchored not stored refs pending

The Szendrei Expansion of Restriction Semigroupoids

Rafael Haag, Tha\'isa Tamusiunas, Wesley G. Lautenschlaeger

arxiv:2504.20217 v2 · 2025-04-28 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ESXMC2KXUPEIVCQLHKR665E732}

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	2026-06-19T16:10:29.677981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24aec16957a3c88a8a0b3aa3ef749fde8848f4a863726ccfdcf42c3c6c3d78f0

Aliases

arxiv: 2504.20217 · arxiv_version: 2504.20217v2 · doi: 10.48550/arxiv.2504.20217 · pith_short_12: ESXMC2KXUPEI · pith_short_16: ESXMC2KXUPEIVCQL · pith_short_8: ESXMC2KX

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/ESXMC2KXUPEIVCQLHKR665E732 \
  | 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: 24aec16957a3c88a8a0b3aa3ef749fde8848f4a863726ccfdcf42c3c6c3d78f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d93e00083f16ea8ac501803a8ef03f22e0f22ea0da3ba145306fa15300cc00bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2025-04-28T19:34:38Z",
    "title_canon_sha256": "de646ea067b4d06c9381c0dc25b1365d2841e69e51c20c2edd51390aaa0e776f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20217",
    "kind": "arxiv",
    "version": 2
  }
}