Pith Number

pith:O4LK2ZZI

pith:2026:O4LK2ZZINWT5FYKAE4T576GQUG

not attested not anchored not stored refs pending

Structure-Aware Variance Reduction for Unbiased Randomized Hamiltonian Simulation

Chusei Kiumi, Fredrik Hasselgren, Joshua W. Dai

arxiv:2606.23544 v1 · 2026-06-22 · 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{O4LK2ZZINWT5FYKAE4T576GQUG}

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	2026-06-23T03:14:29.638757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7716ad67286da7d2e1402727dff8d0a1bf69291360af3b965c872e8acb2efae6

Aliases

arxiv: 2606.23544 · arxiv_version: 2606.23544v1 · doi: 10.48550/arxiv.2606.23544 · pith_short_12: O4LK2ZZINWT5 · pith_short_16: O4LK2ZZINWT5FYKA · pith_short_8: O4LK2ZZI

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/O4LK2ZZINWT5FYKAE4T576GQUG \
  | 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: 7716ad67286da7d2e1402727dff8d0a1bf69291360af3b965c872e8acb2efae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6411005c05a6168e75fc276c158c734509b3b70df117d2189db64fb549c9ce19",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-22T16:17:55Z",
    "title_canon_sha256": "889c047a4032325b10b2221dfc1b2e6b5345efa13ae08a16e2bc0bb476b02e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23544",
    "kind": "arxiv",
    "version": 1
  }
}