Pith Number

pith:2EG56MWL

pith:2019:2EG56MWLC2S3VFFEPUOUJTFBZW

not attested not anchored not stored refs pending

Probabilistic quantum cloning of N quantum states

Haixin Liu, Heng Fan

arxiv:1905.01878 v1 · 2019-05-06 · quant-ph · math-ph · math.MP · physics.app-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{2EG56MWLC2S3VFFEPUOUJTFBZW}

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	2026-05-17T23:46:57.141856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10ddf32cb16a5ba94a47d1d44cca1cd81314d11b8c455acbf306aac0d362362

Aliases

arxiv: 1905.01878 · arxiv_version: 1905.01878v1 · doi: 10.48550/arxiv.1905.01878 · pith_short_12: 2EG56MWLC2S3 · pith_short_16: 2EG56MWLC2S3VFFE · pith_short_8: 2EG56MWL

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/2EG56MWLC2S3VFFEPUOUJTFBZW \
  | 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: d10ddf32cb16a5ba94a47d1d44cca1cd81314d11b8c455acbf306aac0d362362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50ca5eb2b243fa6f9e1d3ab033d5dcd4dad4a79089cbfa7163758c554bdd4cbf",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-06T08:38:28Z",
    "title_canon_sha256": "938442cc6bd2cbac597147072c49e882e1d5b70253181fde9221df55edc83394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01878",
    "kind": "arxiv",
    "version": 1
  }
}