Pith Number

pith:MAK37ZC7

pith:2019:MAK37ZC7XCTCYLEIOMWUHTOBCJ

not attested not anchored not stored refs pending

Toward The Universal Quantum Cloner Limit For Designing Compact Photonic CNOT Gate

Amor Gueddana, Vasudevan Lakshminarayanan

arxiv:1906.06547 v1 · 2019-06-15 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAK37ZC7XCTCYLEIOMWUHTOBCJ}

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	2026-05-17T23:43:13.386376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6015bfe45fb8a62c2c88732d43cdc112586c609870e1af0f85ba3e5cac3b1835

Aliases

arxiv: 1906.06547 · arxiv_version: 1906.06547v1 · doi: 10.48550/arxiv.1906.06547 · pith_short_12: MAK37ZC7XCTC · pith_short_16: MAK37ZC7XCTCYLEI · pith_short_8: MAK37ZC7

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/MAK37ZC7XCTCYLEIOMWUHTOBCJ \
  | 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: 6015bfe45fb8a62c2c88732d43cdc112586c609870e1af0f85ba3e5cac3b1835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db336a4f92042be36503c87b1ac29d661d75dcb7e8a3a26f3b5c2e3becb174e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-15T12:43:10Z",
    "title_canon_sha256": "83032e6a3f28c8e78c338df54d14eace305db5a3551816a270e8636acb321243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06547",
    "kind": "arxiv",
    "version": 1
  }
}