Pith Number

pith:2WQDRMDP

pith:2010:2WQDRMDPO34GBCA3BWJDK7YCVT

not attested not anchored not stored refs pending

Quantum Cloning for Absolute Radiometry

Bruno Sanguinetti, Enrico Pomarico, Hugo Zbinden, Nicolas Gisin, Pavel Sekatski

arxiv:1005.3485 v1 · 2010-05-19 · 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{2WQDRMDPO34GBCA3BWJDK7YCVT}

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	2026-05-18T02:07:16.852157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a038b06f76f860881b0d92357f02acdd80c2d54f91c109879296fbd2ddbd62

Aliases

arxiv: 1005.3485 · arxiv_version: 1005.3485v1 · doi: 10.48550/arxiv.1005.3485 · pith_short_12: 2WQDRMDPO34G · pith_short_16: 2WQDRMDPO34GBCA3 · pith_short_8: 2WQDRMDP

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/2WQDRMDPO34GBCA3BWJDK7YCVT \
  | 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: d5a038b06f76f860881b0d92357f02acdd80c2d54f91c109879296fbd2ddbd62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ba6ce424feba326b0658d1bf8557d8eadc977cd4c8de7daeb40d804eece921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-05-19T16:35:36Z",
    "title_canon_sha256": "31fe1afecad020d3efd4bb4b1fd1308c6c4e1d894ec780ab6c9e609a4b7c147d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3485",
    "kind": "arxiv",
    "version": 1
  }
}