Pith Number

pith:BU3TURE4

pith:2026:BU3TURE4WMMHNQ3P5WOT3QKCL7

not attested not anchored not stored refs pending

Faster quantum linear system solver beyond the condition number

Alexander M. Dalzell, Jianqiang Li, Yuan Su

arxiv:2607.07691 v1 · 2026-07-08 · quant-ph · cs.DS · 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{BU3TURE4WMMHNQ3P5WOT3QKCL7}

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	2026-07-09T01:20:39.270248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d373a449cb31876c36fed9d3dc1425fda610fec8c1eb7ee07f4c5837fedd9fe

Aliases

arxiv: 2607.07691 · arxiv_version: 2607.07691v1 · doi: 10.48550/arxiv.2607.07691 · pith_short_12: BU3TURE4WMMH · pith_short_16: BU3TURE4WMMHNQ3P · pith_short_8: BU3TURE4

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/BU3TURE4WMMHNQ3P5WOT3QKCL7 \
  | 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: 0d373a449cb31876c36fed9d3dc1425fda610fec8c1eb7ee07f4c5837fedd9fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30cfa550d99b11b0e1661066ff770edb0f86d9e75107115bbd67a4f43adcd2fb",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-08T17:49:40Z",
    "title_canon_sha256": "d2bb6f20d3e91fb39739138092e8becfdfe45dc965a3a3e73aa4c829a2bc6d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07691",
    "kind": "arxiv",
    "version": 1
  }
}