Pith Number

pith:Z3KGVV77

pith:2018:Z3KGVV77SKI4BUFZXMAZGVV5FJ

not attested not anchored not stored refs pending

Quantum-limited loss sensing: Multiparameter estimation and Bures distance between loss channels

Ranjith Nair

arxiv:1804.02211 v2 · 2018-04-06 · 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{Z3KGVV77SKI4BUFZXMAZGVV5FJ}

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

From the Hong-Ou-Mandel Effect to Quantum Sensing: Interference of Nonclassical Light with Partial Distinguishability and Noise

Receipt and verification

First computed	2026-05-17T23:58:41.761380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ced46ad7ff9291c0d0b9bb019356bd2a5ee075b1a9a9aae00d6afbb5c09861ba

Aliases

arxiv: 1804.02211 · arxiv_version: 1804.02211v2 · doi: 10.48550/arxiv.1804.02211 · pith_short_12: Z3KGVV77SKI4 · pith_short_16: Z3KGVV77SKI4BUFZ · pith_short_8: Z3KGVV77

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/Z3KGVV77SKI4BUFZXMAZGVV5FJ \
  | 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: ced46ad7ff9291c0d0b9bb019356bd2a5ee075b1a9a9aae00d6afbb5c09861ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09ec256ff128075ed14cc944fcea49680c54a3ab321faf2d5df46103310d6dbb",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-06T11:38:49Z",
    "title_canon_sha256": "1385ad822669f2a41309fbcccc5428646e712434b52b143ed08664175c555176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02211",
    "kind": "arxiv",
    "version": 2
  }
}