Pith Number

pith:WEQPDVH7

pith:2016:WEQPDVH7R73KO2TLGEU73PSJPZ

not attested not anchored not stored refs pending

Greatly enhanced intensity-difference squeezing for narrow-band quantum metrology applications

Changbiao Li, Da Zhang, Feng Li, Min Xiao, Yanpeng Zhang, Yiqi Zhang, Zhaoyang Zhang

arxiv:1611.05946 v2 · 2016-11-18 · physics.optics · 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{WEQPDVH7R73KO2TLGEU73PSJPZ}

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	2026-05-18T00:32:14.370557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b120f1d4ff8ff6a76a6b3129fdbe497e67b11169daf0ad32d3aaca01886fac81

Aliases

arxiv: 1611.05946 · arxiv_version: 1611.05946v2 · doi: 10.48550/arxiv.1611.05946 · pith_short_12: WEQPDVH7R73K · pith_short_16: WEQPDVH7R73KO2TL · pith_short_8: WEQPDVH7

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/WEQPDVH7R73KO2TLGEU73PSJPZ \
  | 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: b120f1d4ff8ff6a76a6b3129fdbe497e67b11169daf0ad32d3aaca01886fac81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "393616bc9c99b52af5e962345fe263c73ce6aefebfe4bbbffdf38d650517cac8",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-11-18T01:38:29Z",
    "title_canon_sha256": "ab157df2feec11f998271dc14cea7419e9b26a7deadb18f27dcb409fd12da055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05946",
    "kind": "arxiv",
    "version": 2
  }
}