Pith Number

pith:GKIQHE4I

pith:2020:GKIQHE4ILVQKUQI6CLV6PHKLFR

not attested not anchored not stored refs pending

Fast inversion, preconditioned quantum linear system solvers, and fast evaluation of matrix functions

Dong An, Lin Lin, Nathan Wiebe, Yu Tong

arxiv:2008.13295 v2 · 2020-08-30 · quant-ph · cs.NA · math.NA · physics.comp-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{GKIQHE4ILVQKUQI6CLV6PHKLFR}

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

Faster quantum linear system solver beyond the condition number

Receipt and verification

First computed	2026-07-05T03:17:45.232003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32910393885d60aa411e12ebe79d4b2c5745ac30fa0243155709da56a64b9866

Aliases

arxiv: 2008.13295 · arxiv_version: 2008.13295v2 · doi: 10.48550/arxiv.2008.13295 · pith_short_12: GKIQHE4ILVQK · pith_short_16: GKIQHE4ILVQKUQI6 · pith_short_8: GKIQHE4I

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/GKIQHE4ILVQKUQI6CLV6PHKLFR \
  | 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: 32910393885d60aa411e12ebe79d4b2c5745ac30fa0243155709da56a64b9866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51e09f5f02d3a288f609dfd16614dbb12b65aa278044d8d46a800cfd31de3775",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-08-30T23:24:58Z",
    "title_canon_sha256": "32f8809e7edaae01495600e5f9c0e798172df30379ed90e42e6102769d02fe25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13295",
    "kind": "arxiv",
    "version": 2
  }
}