Pith Number

pith:XHGIBFMM

pith:2021:XHGIBFMMHAITJNVJVRA5XCXQ2P

not attested not anchored not stored refs pending

A geometrical description of the universal $1 \to 2$ asymmetric quantum cloning region

Cl\'ement Pellegrini, Denis Rochette, Ion Nechita

arxiv:2106.09655 v1 · 2021-06-17 · 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{XHGIBFMMHAITJNVJVRA5XCXQ2P}

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	2026-07-05T05:00:37.319258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9cc80958c381134b6a9ac41db8af0d3cb9e78afb6632b84994ebb9f69e85250

Aliases

arxiv: 2106.09655 · arxiv_version: 2106.09655v1 · doi: 10.48550/arxiv.2106.09655 · pith_short_12: XHGIBFMMHAIT · pith_short_16: XHGIBFMMHAITJNVJ · pith_short_8: XHGIBFMM

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/XHGIBFMMHAITJNVJVRA5XCXQ2P \
  | 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: b9cc80958c381134b6a9ac41db8af0d3cb9e78afb6632b84994ebb9f69e85250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c39cf04359f8c0ca86883fb09e2b694123e71db12cfd57bf09ac47253ba8d4a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-17T16:59:48Z",
    "title_canon_sha256": "c497c512b3bc1f6962265ee78bf061cac054dd01a2fae57b738893e78f35d1d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09655",
    "kind": "arxiv",
    "version": 1
  }
}