Pith Number

pith:6ABFTKUG

pith:2000:6ABFTKUGNYLHTTFUYKBJW5ZCMF

not attested not anchored not stored refs pending

On Quantum Detection and the Square-Root Measurement

G. David Forney Jr, Yonina C. Eldar

arxiv:quant-ph/0005132 v2 · 2000-05-31 · 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{6ABFTKUGNYLHTTFUYKBJW5ZCMF}

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.

Cited by

1 paper in Pith

Near-optimal performance of square-root measurement for general score functions and quantum ensembles

Receipt and verification

First computed	2026-07-04T14:45:28.972622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f00259aa866e1679ccb4c2829b77226155e43f30e061cc43c225f7460859c016

Aliases

arxiv: quant-ph/0005132 · arxiv_version: quant-ph/0005132v2 · doi: 10.48550/arxiv.quant-ph/0005132 · pith_short_12: 6ABFTKUGNYLH · pith_short_16: 6ABFTKUGNYLHTTFU · pith_short_8: 6ABFTKUG

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/6ABFTKUGNYLHTTFUYKBJW5ZCMF \
  | 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: f00259aa866e1679ccb4c2829b77226155e43f30e061cc43c225f7460859c016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7041225dd4feec1b4e30eabe20fffb75aca26e7abcfe33e504122d5fd134f895",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-05-31T21:49:02Z",
    "title_canon_sha256": "539b1c089c3004ad0184020011ef72dad00ab5c61daffa41aadfa4892214eba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0005132",
    "kind": "arxiv",
    "version": 2
  }
}