Pith Number

pith:QH5L5ZET

pith:2018:QH5L5ZET32NZJ2V2WSMLUJANTU

not attested not anchored not stored refs pending

Actions of skew braces and set-theoretic solutions of the reflection equation

Kenny De Commer

arxiv:1803.05826 v1 · 2018-03-15 · math.GR · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QH5L5ZET32NZJ2V2WSMLUJANTU}

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	2026-05-18T00:20:54.587623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fabee493de9b94eabab498ba240d9d21597f13a58789b8f030ed4455d4a134

Aliases

arxiv: 1803.05826 · arxiv_version: 1803.05826v1 · doi: 10.48550/arxiv.1803.05826 · pith_short_12: QH5L5ZET32NZ · pith_short_16: QH5L5ZET32NZJ2V2 · pith_short_8: QH5L5ZET

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/QH5L5ZET32NZJ2V2WSMLUJANTU \
  | 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: 81fabee493de9b94eabab498ba240d9d21597f13a58789b8f030ed4455d4a134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60de61edc734eddc643e56a5324a2f0dbe81286a80d0f571fe0ceff9d72f5582",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-03-15T16:00:06Z",
    "title_canon_sha256": "690d33511bea2f4d697bbfb3980754a788adb922e48a76987e9586b9f4f0afbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05826",
    "kind": "arxiv",
    "version": 1
  }
}