Pith Number

pith:WSMZWOAW

pith:2026:WSMZWOAWNI4UCLXA6IEE4ZFV2G

not attested not anchored not stored refs pending

Images of polynomials with involution on $2\times 2$ matrices

Lucio Centrone, Thiago Castilho de Mello

arxiv:2605.23865 v1 · 2026-05-22 · 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{WSMZWOAWNI4UCLXA6IEE4ZFV2G}

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	2026-05-25T02:02:36.729018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4999b38166a39412ee0f2084e64b5d1894274b12fc391ca6e001d4fdc13d16c

Aliases

arxiv: 2605.23865 · arxiv_version: 2605.23865v1 · doi: 10.48550/arxiv.2605.23865 · pith_short_12: WSMZWOAWNI4U · pith_short_16: WSMZWOAWNI4UCLXA · pith_short_8: WSMZWOAW

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/WSMZWOAWNI4UCLXA6IEE4ZFV2G \
  | 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: b4999b38166a39412ee0f2084e64b5d1894274b12fc391ca6e001d4fdc13d16c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d67cd8846b786392a887b1df07aa7fdc76df51878e119575e87f75c768916e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2026-05-22T17:24:55Z",
    "title_canon_sha256": "d4c26953744ba5cfe86d149fe910a039fb7bdcc0a091a9d6cf4cf931fa130366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23865",
    "kind": "arxiv",
    "version": 1
  }
}