Pith Number

pith:3WRQ3JSP

pith:2012:3WRQ3JSPZKAARPVZHY24I53XLY

not attested not anchored not stored refs pending

An ultraviolet laser system for laser cooling and trapping of metastable magnesium

A. Pape, A. P. Kulosa, D. B. Fim, E. M. Rasel, H. Kelkar, J. Friebe, K. H. Zipfel, M. P. Riedmann, S. R\"uhmann, T. W. W\"ubbena, W. Ertmer

arxiv:1201.3856 v2 · 2012-01-18 · 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{3WRQ3JSPZKAARPVZHY24I53XLY}

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	2026-05-18T03:54:47.677650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda30da64fca8008beb93e35c477775e3f792e4124049b12941f539ee96772ec

Aliases

arxiv: 1201.3856 · arxiv_version: 1201.3856v2 · doi: 10.48550/arxiv.1201.3856 · pith_short_12: 3WRQ3JSPZKAA · pith_short_16: 3WRQ3JSPZKAARPVZ · pith_short_8: 3WRQ3JSP

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/3WRQ3JSPZKAARPVZHY24I53XLY \
  | 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: dda30da64fca8008beb93e35c477775e3f792e4124049b12941f539ee96772ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feee5bc5fa3f9f7e30dac0a6245e1ececcf8a76146d28260986f1171efd8d55a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-01-18T17:13:39Z",
    "title_canon_sha256": "14ee8f91ad17cd1f7f37c37a75fe25bfb240154f4677247ffb6cb24eab3f65e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3856",
    "kind": "arxiv",
    "version": 2
  }
}