Pith Number

pith:IDKL2RAV

pith:2009:IDKL2RAVDT63R6GFV5MQRUTV6O

not attested not anchored not stored refs pending

Optimization of quantum interferometric metrological sensors in the presence of photon loss

Changjun Min, Christoph F. Wildfeuer, Dmitry B. Uskov, Georgios Veronis, Hwang Lee, Jonathan P. Dowling, Lev Kaplan, Sean D. Huver, Steven B. McCracken, Tae-Woo Lee

arxiv:0908.3008 v1 · 2009-08-20 · 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{IDKL2RAVDT63R6GFV5MQRUTV6O}

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	2026-05-18T02:12:24.548915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40d4bd44151cfdb8f8c5af5908d275f3a93890fea6a59196a1d0126aabcbfc09

Aliases

arxiv: 0908.3008 · arxiv_version: 0908.3008v1 · doi: 10.48550/arxiv.0908.3008 · pith_short_12: IDKL2RAVDT63 · pith_short_16: IDKL2RAVDT63R6GF · pith_short_8: IDKL2RAV

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/IDKL2RAVDT63R6GFV5MQRUTV6O \
  | 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: 40d4bd44151cfdb8f8c5af5908d275f3a93890fea6a59196a1d0126aabcbfc09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ac4c851622cd3224582bf2ba337f1e77e5b51d5dfc02ad77558facd6f49a31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-20T20:25:55Z",
    "title_canon_sha256": "e1e9fc8a52cb57228e1e617beb05378d5de7dbc8cd9eef055f23fd93d166ba30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3008",
    "kind": "arxiv",
    "version": 1
  }
}