Pith Number

pith:W7NUI6XE

pith:2019:W7NUI6XE7UX4DHH27REYNYIUN4

not attested not anchored not stored refs pending

Maltese cross coupling to individual cold atoms in free space

Lorena C. Bianchet, Morgan W. Mitchell, Nan Li, Natalia Alves, Natalia Bruno, Vindhiya Prakash

arxiv:1902.03220 v2 · 2019-02-08 · 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{W7NUI6XE7UX4DHH27REYNYIUN4}

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	2026-07-05T00:13:41.551122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7db447ae4fd2fc19cfafc4986e1146f2b34e9a305017dd4e61925ec7626459c

Aliases

arxiv: 1902.03220 · arxiv_version: 1902.03220v2 · doi: 10.48550/arxiv.1902.03220 · pith_short_12: W7NUI6XE7UX4 · pith_short_16: W7NUI6XE7UX4DHH2 · pith_short_8: W7NUI6XE

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/W7NUI6XE7UX4DHH27REYNYIUN4 \
  | 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: b7db447ae4fd2fc19cfafc4986e1146f2b34e9a305017dd4e61925ec7626459c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37728744b6c8abb4a617d6a97ac42ed7f0c241f62ffb0995d485fb1aef8ba2b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-02-08T18:29:55Z",
    "title_canon_sha256": "ccf0cfc1cf170be685031f8ef4f15ef015e83b1fccf5b7e031a85e18399135b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03220",
    "kind": "arxiv",
    "version": 2
  }
}