Pith Number

pith:RITLIBV7

pith:2026:RITLIBV7UK7BW4AB2FW4NJY6O3

not attested not anchored not stored refs pending

An Exponential Sample-Complexity Advantage for Coherent Quantum Inference

Aram W. Harrow, Elias Theil, Isaac Chuang, Zhaoyi Li

arxiv:2605.21457 v1 · 2026-05-20 · 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{RITLIBV7UK7BW4AB2FW4NJY6O3}

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	2026-05-21T02:05:38.169123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a26b406bfa2be1b7001d16dc6a71e76f1e5163b57ee7d151fc9802a630f20ca

Aliases

arxiv: 2605.21457 · arxiv_version: 2605.21457v1 · doi: 10.48550/arxiv.2605.21457 · pith_short_12: RITLIBV7UK7B · pith_short_16: RITLIBV7UK7BW4AB · pith_short_8: RITLIBV7

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/RITLIBV7UK7BW4AB2FW4NJY6O3 \
  | 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: 8a26b406bfa2be1b7001d16dc6a71e76f1e5163b57ee7d151fc9802a630f20ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d8e3b81861522e6df5d1a8766f946e7b95b09879069599e288e099de1732429",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-20T17:47:33Z",
    "title_canon_sha256": "f11e8f14b4c7de5534a817110ce4f6c94f396c510e56bb3d9c51365a1dc56e78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21457",
    "kind": "arxiv",
    "version": 1
  }
}