Pith Number

pith:U7A5QRLU

pith:2011:U7A5QRLUYSOVSMAX5A6RDIQ4ZV

not attested not anchored not stored refs pending

Optimal ancilla-free phase-covariant telecloning of qudits via nonmaximally entangled states

Guo-Jian Yang, Xin-Wen Wang

arxiv:1109.5335 v1 · 2011-09-25 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7A5QRLUYSOVSMAX5A6RDIQ4ZV}

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	2026-05-18T02:00:25.507967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c1d84574c49d593017e83d11a21ccd4412a175e2d23722959d8eea7d41e4d0

Aliases

arxiv: 1109.5335 · arxiv_version: 1109.5335v1 · doi: 10.48550/arxiv.1109.5335 · pith_short_12: U7A5QRLUYSOV · pith_short_16: U7A5QRLUYSOVSMAX · pith_short_8: U7A5QRLU

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/U7A5QRLUYSOVSMAX5A6RDIQ4ZV \
  | 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: a7c1d84574c49d593017e83d11a21ccd4412a175e2d23722959d8eea7d41e4d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "720aae25cb17d3230f2cc7ec15e8df934541727e7863de98147c44f36cb8fcd1",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-25T07:50:54Z",
    "title_canon_sha256": "c1a0118ce44212c4107d5b65152e27fde0ce9bb797b4ca879234b079ffce2446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5335",
    "kind": "arxiv",
    "version": 1
  }
}