Pith Number

pith:UTLJW56A

pith:2021:UTLJW56ABXXRGHJS4PX7YYTTPX

not attested not anchored not stored refs pending

On solving classes of positive-definite quantum linear systems with quadratically improved runtime in the condition number

Davide Orsucci, Vedran Dunjko

arxiv:2101.11868 v3 · 2021-01-28 · quant-ph

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\usepackage{pith}
\pithnumber{UTLJW56ABXXRGHJS4PX7YYTTPX}

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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

3 papers in Pith

Faster quantum linear system solver beyond the condition number

A shortcut to an optimal quantum linear system solver

Block encoding the 3D heterogeneous Poisson equation with application to fracture flow

Receipt and verification

First computed	2026-07-05T03:30:30.183280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4d69b77c00def131d32e3effc62737dc33a376a5b09e6fbefe111223459623f

Aliases

arxiv: 2101.11868 · arxiv_version: 2101.11868v3 · doi: 10.48550/arxiv.2101.11868 · pith_short_12: UTLJW56ABXXR · pith_short_16: UTLJW56ABXXRGHJS · pith_short_8: UTLJW56A

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/UTLJW56ABXXRGHJS4PX7YYTTPX \
  | 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: a4d69b77c00def131d32e3effc62737dc33a376a5b09e6fbefe111223459623f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7de540716dee1fed82443a6a2f23c5265879d0a7c271082f16d11f4a923ed2db",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-28T08:41:21Z",
    "title_canon_sha256": "a95c368bf6c9e6e4c6ed6fb87c36c74e4a0dc49c418dd210e2c4ab7d04853220"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11868",
    "kind": "arxiv",
    "version": 3
  }
}