Pith Number

pith:FNKTJWRQ

pith:2020:FNKTJWRQDM6WUJJASB33725NHT

not attested not anchored not stored refs pending

Laser Intensity Noise Suppression for Preparing Audio-Frequency 795 nm Squeezed Vacuum State of Light at Rubidium D1 Line

Jun He, Junmin Wang, Lele Bai, Xin Wen, Yulin Yang

arxiv:2003.05090 v1 · 2020-03-11 · physics.atom-ph · 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{FNKTJWRQDM6WUJJASB33725NHT}

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	2026-07-05T00:47:21.351388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b5534da301b3d6a25209077bfebad3cc4345e65853e4a0689ba59a293594156

Aliases

arxiv: 2003.05090 · arxiv_version: 2003.05090v1 · doi: 10.48550/arxiv.2003.05090 · pith_short_12: FNKTJWRQDM6W · pith_short_16: FNKTJWRQDM6WUJJA · pith_short_8: FNKTJWRQ

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/FNKTJWRQDM6WUJJASB33725NHT \
  | 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: 2b5534da301b3d6a25209077bfebad3cc4345e65853e4a0689ba59a293594156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c92d12f5587dcaaf56a5c29d78fd9c41c6ae5bceaec24f53f61cb1fd1f7819b",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2020-03-11T03:04:04Z",
    "title_canon_sha256": "493d36201cea14c1b5433825a20cf59fc3b447eccc01d6c52504550a069bfda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.05090",
    "kind": "arxiv",
    "version": 1
  }
}