Pith Number

pith:7WNMBTYN

pith:2001:7WNMBTYNVHZJJGZ5B5CMD62LH3

not attested not anchored not stored refs pending

Doppler cooling and trapping on forbidden transitions

E. M. Rasel, F. Riehle, G. Wilpers, J. Helmcke, T. Binnewies, T. E. Mehlst\"aubler, U. Sterr, W. Ertmer

arxiv:physics/0105069 v1 · 2001-05-21 · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WNMBTYNVHZJJGZ5B5CMD62LH3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:25:48.038437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9ac0cf0da9f2949b3d0f44c1fb4b3efcfcadb32f4d01a9037c71d7427c4210

Aliases

arxiv: physics/0105069 · arxiv_version: physics/0105069v1 · doi: 10.48550/arxiv.physics/0105069 · pith_short_12: 7WNMBTYNVHZJ · pith_short_16: 7WNMBTYNVHZJJGZ5 · pith_short_8: 7WNMBTYN

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/7WNMBTYNVHZJJGZ5B5CMD62LH3 \
  | 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: fd9ac0cf0da9f2949b3d0f44c1fb4b3efcfcadb32f4d01a9037c71d7427c4210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1f109208d4786798ce9e5f144fec89768d9da9693091caca767ef502b2de442",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2001-05-21T10:12:18Z",
    "title_canon_sha256": "09c8b7bbd46f1b5adf31029d0a4be0d2fff18065af3e1caacb3619e73e4eae21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0105069",
    "kind": "arxiv",
    "version": 1
  }
}