Pith Number

pith:4M6EFOZZ

pith:2024:4M6EFOZZEX2XA5TOMA732XAIPO

not attested not anchored not stored refs pending

Efficient Variational Quantum Linear Solver for Structured Sparse Matrices

Abeynaya Gnanasekaran, Amit Surana

arxiv:2404.16991 v1 · 2024-04-25 · quant-ph · cs.NA · math.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{4M6EFOZZEX2XA5TOMA732XAIPO}

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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

Projector Quantum Variational Ansatz

Receipt and verification

First computed	2026-07-05T08:12:18.028344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e33c42bb3925f570766e603fbd5c087b816247de41a81456ad0ca12534dbb3b5

Aliases

arxiv: 2404.16991 · arxiv_version: 2404.16991v1 · doi: 10.48550/arxiv.2404.16991 · pith_short_12: 4M6EFOZZEX2X · pith_short_16: 4M6EFOZZEX2XA5TO · pith_short_8: 4M6EFOZZ

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/4M6EFOZZEX2XA5TOMA732XAIPO \
  | 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: e33c42bb3925f570766e603fbd5c087b816247de41a81456ad0ca12534dbb3b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d0edc47df29b1f5bd77b9628ffa57b0919bef606c77d41a29257fdfa3984d0f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-04-25T19:22:05Z",
    "title_canon_sha256": "a39f501a78e3ca9f2f8a740236c917b4052b974ec9ee1835ebf2ec644dd7d093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16991",
    "kind": "arxiv",
    "version": 1
  }
}