Pith Number

pith:QHCQ5GWK

pith:2013:QHCQ5GWKDIWJPRSR7V6IUIKQ3O

not attested not anchored not stored refs pending

Preconditioned quantum linear system algorithm

B. C. Jacobs, B. D. Clader, C. R. Sprouse

arxiv:1301.2340 v4 · 2013-01-10 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHCQ5GWKDIWJPRSR7V6IUIKQ3O}

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

2 papers in Pith

Quantum algorithm for solving differential equations using SLAC derivatives

Exponential quantum advantage in processing massive classical data

Receipt and verification

First computed	2026-05-18T03:20:09.360711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c50e9aca1a2c97c651fd7c8a2150dba23aa7be70669ed5ba233256f3bc1cd4

Aliases

arxiv: 1301.2340 · arxiv_version: 1301.2340v4 · doi: 10.48550/arxiv.1301.2340 · pith_short_12: QHCQ5GWKDIWJ · pith_short_16: QHCQ5GWKDIWJPRSR · pith_short_8: QHCQ5GWK

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/QHCQ5GWKDIWJPRSR7V6IUIKQ3O \
  | 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: 81c50e9aca1a2c97c651fd7c8a2150dba23aa7be70669ed5ba233256f3bc1cd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e0ed6a77058877a952c60811b5d790906c89e86f03839df5ae07e2d5bafe666",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-10T21:40:25Z",
    "title_canon_sha256": "5bd163544033a23c50df72992afb565985e7a2322a27b272a71cdf72838e4f9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2340",
    "kind": "arxiv",
    "version": 4
  }
}