Pith Number

pith:5U3UDBS3

pith:2019:5U3UDBS3SWXO2FXMP3IRS5SAPA

not attested not anchored not stored refs pending

Evaporative cooling from an optical dipole trap in microgravity

Christian Vogt, Claus L\"ammerzahl, Dennis Schlippert, Ernst M. Rasel, Henning Albers, Marian Woltmann, Sven Herrmann

arxiv:1909.03800 v1 · 2019-09-09 · physics.atom-ph · cond-mat.quant-gas

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5U3UDBS3SWXO2FXMP3IRS5SAPA}

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	2026-07-05T00:38:04.264750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3741865b95aeed16ec7ed1197640782445a1af4539caa55d81b5dd90a4359e

Aliases

arxiv: 1909.03800 · arxiv_version: 1909.03800v1 · doi: 10.48550/arxiv.1909.03800 · pith_short_12: 5U3UDBS3SWXO · pith_short_16: 5U3UDBS3SWXO2FXM · pith_short_8: 5U3UDBS3

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/5U3UDBS3SWXO2FXMP3IRS5SAPA \
  | 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: ed3741865b95aeed16ec7ed1197640782445a1af4539caa55d81b5dd90a4359e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e896faf2157fa5ba8dda3b0d19c55f12a5c66f369c185f6958b185fb280685",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-09-09T12:32:59Z",
    "title_canon_sha256": "477674bd1a484ba6768066c519a8dd97c238d9b080e1d91362e6a2c2aff8f824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03800",
    "kind": "arxiv",
    "version": 1
  }
}