Pith Number

pith:R32WPJUY

pith:2016:R32WPJUYNBUT6L47ZIEIY77V42

not attested not anchored not stored refs pending

Optimal Cloning of Quantum States with a Fixed Failure Rate

A. Shehu, E. Bagan, E. Feldman, J. A. Bergou, V. Yerokhin

arxiv:1609.01784 v1 · 2016-09-06 · 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{R32WPJUYNBUT6L47ZIEIY77V42}

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	2026-05-18T01:05:10.120570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ef567a69868693f2f9fca088c7ff5e69cb558caf3ca75907110c1aebf334c7f

Aliases

arxiv: 1609.01784 · arxiv_version: 1609.01784v1 · doi: 10.48550/arxiv.1609.01784 · pith_short_12: R32WPJUYNBUT · pith_short_16: R32WPJUYNBUT6L47 · pith_short_8: R32WPJUY

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/R32WPJUYNBUT6L47ZIEIY77V42 \
  | 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: 8ef567a69868693f2f9fca088c7ff5e69cb558caf3ca75907110c1aebf334c7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da103a25d35bbbcaf39cee17b4b23d31b6a2d37b7a6b42483b78d55ef43df38c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-06T23:43:11Z",
    "title_canon_sha256": "a9358155876db24b7866c21f311a4e239cfac3e940d87248f985e61fd2492952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01784",
    "kind": "arxiv",
    "version": 1
  }
}