Pith Number

pith:5UQYIXQE

pith:2009:5UQYIXQEHVL3FV6SJCSUYXUG4D

not attested not anchored not stored refs pending

Entanglement quantification from incomplete measurements: Applications using photon-number-resolving weak homodyne detectors

A. Datta, A. Feito, G. Puentes, I.A. Walmsley, J. Eisert, M.B. Plenio

arxiv:0911.2482 v1 · 2009-11-12 · 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{5UQYIXQEHVL3FV6SJCSUYXUG4D}

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	2026-05-18T02:10:48.128560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed21845e043d57b2d7d248a54c5e86e0c70d965f26103819f557463d7e9e7690

Aliases

arxiv: 0911.2482 · arxiv_version: 0911.2482v1 · doi: 10.48550/arxiv.0911.2482 · pith_short_12: 5UQYIXQEHVL3 · pith_short_16: 5UQYIXQEHVL3FV6S · pith_short_8: 5UQYIXQE

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/5UQYIXQEHVL3FV6SJCSUYXUG4D \
  | 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: ed21845e043d57b2d7d248a54c5e86e0c70d965f26103819f557463d7e9e7690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c59b284ad09cae012430e8bf1ea5c52dc6e670100fc6c52bb2ccbfbb75a82e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-11-12T22:00:49Z",
    "title_canon_sha256": "31a3bb3bfdc376e6948bcbe5240edf0526577996687d5b2cbf9d0dad10448f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2482",
    "kind": "arxiv",
    "version": 1
  }
}