Pith Number

pith:KX4AMQY6

pith:2026:KX4AMQY6PF6EKOQASHZSAUBA54

not attested not anchored not stored refs pending

Product of two matrices similar to companion matrices over sufficiently large fields

Flavien Mabilat

arxiv:2606.20007 v1 · 2026-06-18 · 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{KX4AMQY6PF6EKOQASHZSAUBA54}

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	2026-06-19T16:13:00.472521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f806431e797c453a0091f3205020ef142869dc4c27ff6c3cc7dab694222cd8

Aliases

arxiv: 2606.20007 · arxiv_version: 2606.20007v1 · doi: 10.48550/arxiv.2606.20007 · pith_short_12: KX4AMQY6PF6E · pith_short_16: KX4AMQY6PF6EKOQA · pith_short_8: KX4AMQY6

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/KX4AMQY6PF6EKOQASHZSAUBA54 \
  | 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: 55f806431e797c453a0091f3205020ef142869dc4c27ff6c3cc7dab694222cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d7a5b20b43c23e473b77a9a14afbb86c6a272f7a62bf585bd5b16e998c82f05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2026-06-18T09:43:14Z",
    "title_canon_sha256": "e595eabe18367d950dce59437be2044167c9acf688e4f2404820ff7da8ee2d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20007",
    "kind": "arxiv",
    "version": 1
  }
}