Pith Number

pith:6XHP553E

pith:2021:6XHP553EAWEKOPQQQ7YX6XYKCI

not attested not anchored not stored refs pending

An Iterative Improvement Method for HHL algorithm for Solving Linear System of Equations

Dongsheng Cai, Nobuyoshi Asai, Xinwei Lee, Yoshiyuki Saito

arxiv:2108.07744 v1 · 2021-08-17 · 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{6XHP553EAWEKOPQQQ7YX6XYKCI}

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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

Solving Einstein Field Equations on a Digital Quantum Computer

Receipt and verification

First computed	2026-07-05T03:06:42.354043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5cefef7640588a73e1087f17f5f0a1213a4e788814f3e60f4bd2faf7e36a631

Aliases

arxiv: 2108.07744 · arxiv_version: 2108.07744v1 · doi: 10.48550/arxiv.2108.07744 · pith_short_12: 6XHP553EAWEK · pith_short_16: 6XHP553EAWEKOPQQ · pith_short_8: 6XHP553E

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/6XHP553EAWEKOPQQQ7YX6XYKCI \
  | 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: f5cefef7640588a73e1087f17f5f0a1213a4e788814f3e60f4bd2faf7e36a631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1dd3619b9e6efca35f6ad3bb3f7bc448a0893895df0fe52bc1367c212ae5dec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-17T16:25:01Z",
    "title_canon_sha256": "df5b243e65c6685cbf3a703c8e72fe4bb3bda7c36f97b456f1cff64f4a247c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07744",
    "kind": "arxiv",
    "version": 1
  }
}