Pith Number

pith:CITYILXZ

pith:2021:CITYILXZSDHA57LVJHCEG7DQRE

not attested not anchored not stored refs pending

Watt-level blue light for precision spectroscopy, laser cooling and trapping of strontium and cadmium atoms

Jonathan N. Tinsley, Jussi-Pekka Penttinen, Leonardo Salvi, Mircea Guina, Nicola Poli, Sanna Ranta, Satvika Bandarupally, Shamaila Manzoor

arxiv:2104.11924 v1 · 2021-04-24 · physics.atom-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CITYILXZSDHA57LVJHCEG7DQRE}

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	2026-07-05T03:59:21.959074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1227842ef990ce0efd7549c4437c708913d33add386ccb9b4182e68d83632497

Aliases

arxiv: 2104.11924 · arxiv_version: 2104.11924v1 · doi: 10.48550/arxiv.2104.11924 · pith_short_12: CITYILXZSDHA · pith_short_16: CITYILXZSDHA57LV · pith_short_8: CITYILXZ

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/CITYILXZSDHA57LVJHCEG7DQRE \
  | 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: 1227842ef990ce0efd7549c4437c708913d33add386ccb9b4182e68d83632497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b16db9a39795f460ad58483716882e387bdae92aa2764a8638129ebdaf4923",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2021-04-24T11:04:01Z",
    "title_canon_sha256": "153beb9fca87ea0a38dc1ba0402c2c65f51edd4e31e96dfc1cc59c09249d8109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11924",
    "kind": "arxiv",
    "version": 1
  }
}