Pith Number

pith:DYQ5RSMC

pith:2000:DYQ5RSMC666VRDVHOD5IUP6ONA

not attested not anchored not stored refs pending

Quantum Cloning and Distributed Measurements

Dagmar Bruss, John Calsamiglia, Norbert L\"utkenhaus

arxiv:quant-ph/0011073 v1 · 2000-11-16 · 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{DYQ5RSMC666VRDVHOD5IUP6ONA}

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	2026-05-18T01:09:07.546017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e21d8c982f7bd588ea770fa8a3fce680b83ac1c4fbb644ed1541f7294c088da

Aliases

arxiv: quant-ph/0011073 · arxiv_version: quant-ph/0011073v1 · doi: 10.48550/arxiv.quant-ph/0011073 · pith_short_12: DYQ5RSMC666V · pith_short_16: DYQ5RSMC666VRDVH · pith_short_8: DYQ5RSMC

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/DYQ5RSMC666VRDVHOD5IUP6ONA \
  | 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: 1e21d8c982f7bd588ea770fa8a3fce680b83ac1c4fbb644ed1541f7294c088da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8becd8d88502a96d120128f31a74cac267ed314f1c6a42a07ec86795a802338",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-11-16T16:38:47Z",
    "title_canon_sha256": "fac7ec915bf392537b7d41b9e35125ebb6fbd0e26cbc05642672ca0058e2225b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0011073",
    "kind": "arxiv",
    "version": 1
  }
}