Pith Number

pith:4SF5N4YJ

pith:2018:4SF5N4YJT5F72EWKOA5ZED3ZZM

not attested not anchored not stored refs pending

Fast Algorithm for Calculating the Minimal Annihilating Polynomials of Matrices via Pseudo Annihilating Polynomials

Akira Terui, Katsuyoshi Ohara, Shinichi Tajima

arxiv:1801.08437 v3 · 2018-01-25 · math.AC · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SF5N4YJT5F72EWKOA5ZED3ZZM}

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	2026-05-18T00:13:37.371670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48bd6f3099f4bfd12ca703b920f79cb1cecddf32ed8298a6f34ea1ef30aad01

Aliases

arxiv: 1801.08437 · arxiv_version: 1801.08437v3 · doi: 10.48550/arxiv.1801.08437 · pith_short_12: 4SF5N4YJT5F7 · pith_short_16: 4SF5N4YJT5F72EWK · pith_short_8: 4SF5N4YJ

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/4SF5N4YJT5F72EWKOA5ZED3ZZM \
  | 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: e48bd6f3099f4bfd12ca703b920f79cb1cecddf32ed8298a6f34ea1ef30aad01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3e2957eee47dae8a433f33b34ab22907c7fff9fd5a7d06904d012e31eefadef",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-01-25T15:01:21Z",
    "title_canon_sha256": "461b40fd5e29cbf7f14596600bec2923cb87043965a44bd1c6ffec20cbb63060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08437",
    "kind": "arxiv",
    "version": 3
  }
}