Pith Number

pith:7CH6EUOC

pith:2018:7CH6EUOCGCBD4OHR36ZCS5AC6Z

not attested not anchored not stored refs pending

Improve Microwave Quantum Illumination Via Optical Parametric Amplifier

Biao Xiong, Ling Zhou, Xiao-Yu Wang, Xun Li

arxiv:1812.00586 v1 · 2018-12-03 · 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{7CH6EUOCGCBD4OHR36ZCS5AC6Z}

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	2026-05-17T23:59:20.944286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f88fe251c230823e38f1dfb2297402f64086be79f5f87422458d928c716b7b8d

Aliases

arxiv: 1812.00586 · arxiv_version: 1812.00586v1 · doi: 10.48550/arxiv.1812.00586 · pith_short_12: 7CH6EUOCGCBD · pith_short_16: 7CH6EUOCGCBD4OHR · pith_short_8: 7CH6EUOC

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/7CH6EUOCGCBD4OHR36ZCS5AC6Z \
  | 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: f88fe251c230823e38f1dfb2297402f64086be79f5f87422458d928c716b7b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3cb08049e0577b54a7993001c6235332dd4a4eb51891aae0f93c8e6be8f6f9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-03T07:54:14Z",
    "title_canon_sha256": "cd3f01f7e38ec5c59f003685e56e9ede649b55e8d1bb2fd6c11b5457f641c3a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00586",
    "kind": "arxiv",
    "version": 1
  }
}