Pith Number

pith:BVB2OL4I

pith:2012:BVB2OL4IE7EFVCMXFOK7UDRKXU

not attested not anchored not stored refs pending

A low phase noise microwave source for atomic spin squeezing experiments in 87Rb

James K. Thompson, Joshua M. Weiner, Justin G. Bohnet, Zilong Chen

arxiv:1204.4215 v1 · 2012-04-18 · physics.atom-ph · 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{BVB2OL4IE7EFVCMXFOK7UDRKXU}

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	2026-05-18T03:57:28.099457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d43a72f8827c85a89972b95fa0e2abd089116fba908ac76d44c4e579cc2ded1

Aliases

arxiv: 1204.4215 · arxiv_version: 1204.4215v1 · doi: 10.48550/arxiv.1204.4215 · pith_short_12: BVB2OL4IE7EF · pith_short_16: BVB2OL4IE7EFVCMX · pith_short_8: BVB2OL4I

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/BVB2OL4IE7EFVCMXFOK7UDRKXU \
  | 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: 0d43a72f8827c85a89972b95fa0e2abd089116fba908ac76d44c4e579cc2ded1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c47bf9a9b10fc00a9c75748526ff9b928879197619f40f43ee44e8dc3721bbfd",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-04-18T22:05:39Z",
    "title_canon_sha256": "1b9ebe5705853eff2e05c62145311f917cba09e7a48f3744d63ba60a4b83351b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4215",
    "kind": "arxiv",
    "version": 1
  }
}