Pith Number

pith:BTBZRHB2

pith:2010:BTBZRHB2LRCPDO7GNMLZNC5FQQ

not attested not anchored not stored refs pending

Quantum metrology with imperfect states and detectors

Animesh Datta, Brian J. Smith, Ian A. Walmsley, Lijian Zhang, Nicholas Thomas-Peter, Uwe Dorner

arxiv:1012.0539 v5 · 2010-12-02 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTBZRHB2LRCPDO7GNMLZNC5FQQ}

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	2026-05-18T04:18:54.570436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc3989c3a5c44f1bbe66b17968ba5842acbc10b432bfe9b784e53a8df2c1200

Aliases

arxiv: 1012.0539 · arxiv_version: 1012.0539v5 · doi: 10.48550/arxiv.1012.0539 · pith_short_12: BTBZRHB2LRCP · pith_short_16: BTBZRHB2LRCPDO7G · pith_short_8: BTBZRHB2

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/BTBZRHB2LRCPDO7GNMLZNC5FQQ \
  | 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: 0cc3989c3a5c44f1bbe66b17968ba5842acbc10b432bfe9b784e53a8df2c1200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0eed8a040fa576827c99dc0959088bd67b9df8cca786996e433f90afd9b5726",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-12-02T19:02:11Z",
    "title_canon_sha256": "9d882a46dab8300faf4723d2c00fb180989066ba46f31ecea2e2dafd6027c9a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0539",
    "kind": "arxiv",
    "version": 5
  }
}