Pith Number

pith:LXZVBRHY

pith:2014:LXZVBRHYCTNOIMJ2KJC7VV2VJJ

not attested not anchored not stored refs pending

State space formulas for stable rational matrix solutions of a Leech problem

A.E. Frazho, M.A. Kaashoek, S. ter Horst

arxiv:1408.2143 v1 · 2014-08-09 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXZVBRHYCTNOIMJ2KJC7VV2VJJ}

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	2026-05-18T02:45:30.268369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5df350c4f814dae4313a5245fad7554a6302e61bfcdffddf8ec4d5c672bcf176

Aliases

arxiv: 1408.2143 · arxiv_version: 1408.2143v1 · doi: 10.48550/arxiv.1408.2143 · pith_short_12: LXZVBRHYCTNO · pith_short_16: LXZVBRHYCTNOIMJ2 · pith_short_8: LXZVBRHY

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/LXZVBRHYCTNOIMJ2KJC7VV2VJJ \
  | 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: 5df350c4f814dae4313a5245fad7554a6302e61bfcdffddf8ec4d5c672bcf176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df16c44b22898813e75f24aca48bdc1e7a616b5c470898ffc55577e217aa127e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-08-09T19:08:56Z",
    "title_canon_sha256": "9fb5e35c2172d30d06d6d82378b0edead3156cb70e08277acf6bbe4f50375c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2143",
    "kind": "arxiv",
    "version": 1
  }
}