Pith Number

pith:X27TGHXG

pith:2019:X27TGHXGZXVNOH24IWWRKXLDCS

not attested not anchored not stored refs pending

Noise reduction using past causal cones in variational quantum algorithms

Cinthia H. Alderete, C. Monroe, Daiwei Zhu, Isaac H. Kim, Kevin Landsman, Nhung H. Nguyen, Norbert M. Linke, Omar Shehab

arxiv:1906.00476 v3 · 2019-06-02 · quant-ph · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X27TGHXGZXVNOH24IWWRKXLDCS}

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	2026-05-17T23:43:27.539659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bebf331ee6cdead71f5c45ad155d631480aa96de55d7d900cefb2095028daf39

Aliases

arxiv: 1906.00476 · arxiv_version: 1906.00476v3 · doi: 10.48550/arxiv.1906.00476 · pith_short_12: X27TGHXGZXVN · pith_short_16: X27TGHXGZXVNOH24 · pith_short_8: X27TGHXG

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/X27TGHXGZXVNOH24IWWRKXLDCS \
  | 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: bebf331ee6cdead71f5c45ad155d631480aa96de55d7d900cefb2095028daf39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51cb4df536598083caeefaff341d7a726fc0c021317f4ce1e4072590069f3d61",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-02T20:27:10Z",
    "title_canon_sha256": "f2705a2047480d77dde6fbab60c71ae40e896afb3ccedc9b193a1d931d757e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00476",
    "kind": "arxiv",
    "version": 3
  }
}