Pith Number

pith:WQCXND2F

pith:2010:WQCXND2FGLJC5ZLEN7JPHCUDTD

not attested not anchored not stored refs pending

Unifying parameter estimation and the Deutsch-Jozsa algorithm for continuous variables

Carlos A. P\'erez-Delgado, Marcin Zwierz, Pieter Kok

arxiv:1008.3291 v1 · 2010-08-19 · 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{WQCXND2FGLJC5ZLEN7JPHCUDTD}

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	2026-05-18T01:09:23.655226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b405768f4532d22ee5646fd2f38a8398c98e9f5f14ff792bf5aab952856f774f

Aliases

arxiv: 1008.3291 · arxiv_version: 1008.3291v1 · doi: 10.48550/arxiv.1008.3291 · pith_short_12: WQCXND2FGLJC · pith_short_16: WQCXND2FGLJC5ZLE · pith_short_8: WQCXND2F

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/WQCXND2FGLJC5ZLEN7JPHCUDTD \
  | 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: b405768f4532d22ee5646fd2f38a8398c98e9f5f14ff792bf5aab952856f774f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800e6acc3e3c8479b4832167cb1fe58138ff9518e8bcf99dd9c4a9ea78ae421e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-19T12:54:56Z",
    "title_canon_sha256": "c61210b9d19f52b63698ae720f7878faf6991fb27115f4324847037500fd79ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3291",
    "kind": "arxiv",
    "version": 1
  }
}