Pith Number

pith:ZIXDTYLT

pith:2022:ZIXDTYLTG4RR2UKEC3MH6SZNGD

not attested not anchored not stored refs pending

Block-encoding dense and full-rank kernels using hierarchical matrices: applications in quantum numerical linear algebra

Bobak T. Kiani, Quynh T. Nguyen, Seth Lloyd

arxiv:2201.11329 v4 · 2022-01-27 · 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{ZIXDTYLTG4RR2UKEC3MH6SZNGD}

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

Receipt and verification

First computed	2026-07-05T05:25:00.621268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca2e39e17337231d514416d87f4b2d30e098160d84685f3927958baf6cd16c5f

Aliases

arxiv: 2201.11329 · arxiv_version: 2201.11329v4 · doi: 10.48550/arxiv.2201.11329 · pith_short_12: ZIXDTYLTG4RR · pith_short_16: ZIXDTYLTG4RR2UKE · pith_short_8: ZIXDTYLT

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/ZIXDTYLTG4RR2UKEC3MH6SZNGD \
  | 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: ca2e39e17337231d514416d87f4b2d30e098160d84685f3927958baf6cd16c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "633b4a957ce630126e60d577263f20d0b677e9800debc3c84bfe608c35d7b829",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-27T05:24:02Z",
    "title_canon_sha256": "83b1325a823dc95b1136182604f94587423190d20f80b4aca047b14aee9a22cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11329",
    "kind": "arxiv",
    "version": 4
  }
}