Pith Number

pith:W5PJFYPU

pith:2026:W5PJFYPUBGFN6CMK2EHQH4BZJR

not attested not anchored not stored refs pending

A Counterexample to Byott's Conjecture for Finite Skew Braces

Marco Trombetti, Maria Ferrara, Massimiliano Di Matteo

arxiv:2607.22795 v1 · 2026-07-24 · math.GR · 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{W5PJFYPUBGFN6CMK2EHQH4BZJR}

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	2026-07-28T00:21:54.671074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75e92e1f4098adf098ad10f03f0394c57131acb0e4ecfa0c08fe370b8f72551

Aliases

arxiv: 2607.22795 · arxiv_version: 2607.22795v1 · doi: 10.48550/arxiv.2607.22795 · pith_short_12: W5PJFYPUBGFN · pith_short_16: W5PJFYPUBGFN6CMK · pith_short_8: W5PJFYPU

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/W5PJFYPUBGFN6CMK2EHQH4BZJR \
  | 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: b75e92e1f4098adf098ad10f03f0394c57131acb0e4ecfa0c08fe370b8f72551

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "497881506ef18008aad3ddc6bb07075f75f4508bfeaa80265ff7413c58fe81a7",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2026-07-24T13:54:02Z",
    "title_canon_sha256": "4f34dee17087291b9b87d67da4d4f2d537c8b9d6a01ffdedde5918f16dc6fc64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22795",
    "kind": "arxiv",
    "version": 1
  }
}