Pith Number

pith:FWBG7QWC

pith:2021:FWBG7QWCNAPCOL3FN4PJ3I7UYW

not attested not anchored not stored refs pending

Utilizing machine learning to improve the precision of fluorescence imaging of cavity-generated spin squeezed states

Benjamin K. Malia, Juli\'an Mart\'inez-Rinc\'on, Mark A. Kasevich, Yunfan Wu

arxiv:2109.08221 v1 · 2021-09-16 · 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{FWBG7QWCNAPCOL3FN4PJ3I7UYW}

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	2026-07-05T03:51:44.595534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d826fc2c2681e272f656f1e9da3f4c5bdd0dba26b83dc74de5ea94bda75bcc1

Aliases

arxiv: 2109.08221 · arxiv_version: 2109.08221v1 · doi: 10.48550/arxiv.2109.08221 · pith_short_12: FWBG7QWCNAPC · pith_short_16: FWBG7QWCNAPCOL3F · pith_short_8: FWBG7QWC

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/FWBG7QWCNAPCOL3FN4PJ3I7UYW \
  | 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: 2d826fc2c2681e272f656f1e9da3f4c5bdd0dba26b83dc74de5ea94bda75bcc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1990a30120ac7c662650eefbc8d370b745566376f6dc8d36464e8c2945342974",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-16T21:07:54Z",
    "title_canon_sha256": "e393a5252cf16865da40c8b312ac74f434b1ce6a1d82091d15fa371ecd11e8ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08221",
    "kind": "arxiv",
    "version": 1
  }
}