Pith Number

pith:BAI7HAZQ

pith:2025:BAI7HAZQWEPCLIZBUDRZKWGMVA

not attested not anchored not stored refs pending

Reducing the sampling complexity of energy estimation in quantum many-body systems using empirical variance information

Alexander Gresch, Martin Kliesch, U\u{g}ur Tepe

arxiv:2502.01730 v1 · 2025-02-03 · 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{BAI7HAZQWEPCLIZBUDRZKWGMVA}

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	2026-07-05T11:55:38.133395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0811f38330b11e25a321a0e39558cca816cebbd6688747bc3ff6ee5771083824

Aliases

arxiv: 2502.01730 · arxiv_version: 2502.01730v1 · doi: 10.48550/arxiv.2502.01730 · pith_short_12: BAI7HAZQWEPC · pith_short_16: BAI7HAZQWEPCLIZB · pith_short_8: BAI7HAZQ

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/BAI7HAZQWEPCLIZBUDRZKWGMVA \
  | 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: 0811f38330b11e25a321a0e39558cca816cebbd6688747bc3ff6ee5771083824

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edd1c74ccad11a59c93f2305d1545d69ad10ca542c2f39e17008c91ae8ce4f0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-03T19:00:01Z",
    "title_canon_sha256": "33610931e052846a60dafded2581189ccce44f9f4be60c1633dd6910436fde9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01730",
    "kind": "arxiv",
    "version": 1
  }
}