Pith Number

pith:NHCFHXHW

pith:2011:NHCFHXHWEENPZQYQPK6OB76JWX

not attested not anchored not stored refs pending

All-Optical Production of a Lithium Quantum Gas Using Narrow-Line Laser Cooling

A. Reed, J. M. Hitchcock, P. M. Duarte, R. A. Hart, R. G. Hulet, T. A. Corcovilos, T.-L. Yang

arxiv:1109.6635 v2 · 2011-09-29 · cond-mat.quant-gas · physics.atom-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{NHCFHXHWEENPZQYQPK6OB76JWX}

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	2026-05-18T04:04:18.781983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c453dcf6211afcc3107abce0ffc9b5e91f37bd248f50751b23efece5d9733a

Aliases

arxiv: 1109.6635 · arxiv_version: 1109.6635v2 · doi: 10.48550/arxiv.1109.6635 · pith_short_12: NHCFHXHWEENP · pith_short_16: NHCFHXHWEENPZQYQ · pith_short_8: NHCFHXHW

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/NHCFHXHWEENPZQYQPK6OB76JWX \
  | 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: 69c453dcf6211afcc3107abce0ffc9b5e91f37bd248f50751b23efece5d9733a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fe8cd2cbda0ca59434888f9b3a2418212f6a800d314b8725277e5d0732f8c14",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2011-09-29T19:30:54Z",
    "title_canon_sha256": "4ca7ebfeafb9976b278e866c2a7d9be177d975b0f450e674cdf97e76bdfa57bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6635",
    "kind": "arxiv",
    "version": 2
  }
}