Pith Number

pith:OPDWKHGY

pith:2025:OPDWKHGY7S4DIVKND3MDFDNBYP

not attested not anchored not stored refs pending

The Akhiezer iteration and inverse-free solvers for Sylvester matrix equations

Cade Ballew, Heather Wilber, Thomas Trogdon

arxiv:2503.17496 v3 · 2025-03-21 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPDWKHGY7S4DIVKND3MDFDNBYP}

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.

Cited by

1 paper in Pith

Sign Embedding Quantum Algorithms for Matrix Equations and Matrix Functions

Receipt and verification

First computed	2026-07-05T11:36:55.511804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c7651cd8fcb834554d1ed8328da1c3f7fff1c85d48c657e88591acd9cfe72b

Aliases

arxiv: 2503.17496 · arxiv_version: 2503.17496v3 · doi: 10.48550/arxiv.2503.17496 · pith_short_12: OPDWKHGY7S4D · pith_short_16: OPDWKHGY7S4DIVKN · pith_short_8: OPDWKHGY

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/OPDWKHGY7S4DIVKND3MDFDNBYP \
  | 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: 73c7651cd8fcb834554d1ed8328da1c3f7fff1c85d48c657e88591acd9cfe72b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e95e1bb26592a492411e2da9084df8b77c441a420a80a32b814ad61bb43132e4",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-03-21T19:12:19Z",
    "title_canon_sha256": "074e13d48de9f9b70084fdba166b834052d16411c083036765ecbf2a556d1f3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.17496",
    "kind": "arxiv",
    "version": 3
  }
}