Pith Number

pith:GR5MQWYJ

pith:2026:GR5MQWYJK2HXHBWG3H3RRA4HO3

not attested not anchored not stored refs pending

Universal quantum cloning beyond noncontextual theory

Hyang-Tag Lim, Min Namkung

arxiv:2607.05959 v1 · 2026-07-07 · 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{GR5MQWYJK2HXHBWG3H3RRA4HO3}

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	2026-07-08T01:18:51.687382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

347ac85b09568f7386c6d9f718838776f45383142fc5219434e7f15b4008965d

Aliases

arxiv: 2607.05959 · arxiv_version: 2607.05959v1 · doi: 10.48550/arxiv.2607.05959 · pith_short_12: GR5MQWYJK2HX · pith_short_16: GR5MQWYJK2HXHBWG · pith_short_8: GR5MQWYJ

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/GR5MQWYJK2HXHBWG3H3RRA4HO3 \
  | 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: 347ac85b09568f7386c6d9f718838776f45383142fc5219434e7f15b4008965d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a1f1d1fee7bf6a696aa2f2f6733a2152b349ee83e14d59754640be19719be13",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-07T07:58:41Z",
    "title_canon_sha256": "3fd6f5f332a147e7c45e5840a971950e31eaeaedb4d0c47216d4b0c9874ab8ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05959",
    "kind": "arxiv",
    "version": 1
  }
}