Pith Number

pith:7L47A75T

pith:2020:7L47A75TBYMLOXPM4VPBMZV5AC

not attested not anchored not stored refs pending

Quantum-classical algorithms for skewed linear systems with optimized Hadamard test

Bujiao Wu, Liming Zhao, Maharshi Ray, Patrick Rebentrost, Xiaoming Sun

arxiv:2009.13288 v1 · 2020-09-28 · 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{7L47A75TBYMLOXPM4VPBMZV5AC}

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	2026-07-05T02:35:18.578244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf9f07fb30e18b75dece55e1666bd00af619017083516be822f26ef2efcb416

Aliases

arxiv: 2009.13288 · arxiv_version: 2009.13288v1 · doi: 10.48550/arxiv.2009.13288 · pith_short_12: 7L47A75TBYML · pith_short_16: 7L47A75TBYMLOXPM · pith_short_8: 7L47A75T

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/7L47A75TBYMLOXPM4VPBMZV5AC \
  | 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: faf9f07fb30e18b75dece55e1666bd00af619017083516be822f26ef2efcb416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51e08c986852e73c142566b61a4a128cdd7c1334cb3e49858df9434d1abba952",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-28T12:59:27Z",
    "title_canon_sha256": "6ab907862adb6219846fd9733a0f1266ad087a2d872f3c081fd78431f731d57c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.13288",
    "kind": "arxiv",
    "version": 1
  }
}