Pith Number

pith:Y6ND2F3Q

pith:2026:Y6ND2F3Q2OEAYV35C35F36S623

not attested not anchored not stored refs pending

Reliability Is Not Free in Universal Quantum Work Extraction

Shuai Zeng

arxiv:2607.16702 v1 · 2026-07-18 · 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{Y6ND2F3Q2OEAYV35C35F36S623}

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	2026-07-21T01:20:22.725877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c79a3d1770d3880c577d16fa5dfa5ed6cad5c9829ec73c9d750037be0f9fa6de

Aliases

arxiv: 2607.16702 · arxiv_version: 2607.16702v1 · doi: 10.48550/arxiv.2607.16702 · pith_short_12: Y6ND2F3Q2OEA · pith_short_16: Y6ND2F3Q2OEAYV35 · pith_short_8: Y6ND2F3Q

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/Y6ND2F3Q2OEAYV35C35F36S623 \
  | 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: c79a3d1770d3880c577d16fa5dfa5ed6cad5c9829ec73c9d750037be0f9fa6de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b622d76d099b23de307de0206b2d783e1f0c6aec5819200a74f6549b3baa51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-18T08:30:31Z",
    "title_canon_sha256": "b6a1ebf12c808d6ed58d59f7cca5b262c7fcc89eb836c1138f78918462be6ddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16702",
    "kind": "arxiv",
    "version": 1
  }
}