Pith Number

pith:U7DAZFWF

pith:2005:U7DAZFWFEWEBX7F27VKS4ZV3GJ

not attested not anchored not stored refs pending

Velocity selection of ultra-cold atoms with Fabry-Perot laser devices: improvements and limits

A. Ruschhaupt, F. Delgado, J. G. Muga

arxiv:quant-ph/0502180 v1 · 2005-02-28 · 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{U7DAZFWFEWEBX7F27VKS4ZV3GJ}

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	2026-07-04T16:57:30.544310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c60c96c525881bfcbafd552e66bb324644f4b47923b3e872db99fdbcb327f4

Aliases

arxiv: quant-ph/0502180 · arxiv_version: quant-ph/0502180v1 · doi: 10.48550/arxiv.quant-ph/0502180 · pith_short_12: U7DAZFWFEWEB · pith_short_16: U7DAZFWFEWEBX7F2 · pith_short_8: U7DAZFWF

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/U7DAZFWFEWEBX7F27VKS4ZV3GJ \
  | 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: a7c60c96c525881bfcbafd552e66bb324644f4b47923b3e872db99fdbcb327f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3f13f036c4d7be41d02251c0a29a18bc8a39619a57fd0af13e4eb217adb8add",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-02-28T08:29:50Z",
    "title_canon_sha256": "c88e60c8722139bddd83ba13366958cb70d56de23c0b13e8e5c6809725d13dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0502180",
    "kind": "arxiv",
    "version": 1
  }
}