Pith Number

pith:HEVVFXUY

pith:2015:HEVVFXUYPKL3HT5BTIT2JBQEJS

not attested not anchored not stored refs pending

Ground-state cooling of a trapped ion using long-wavelength radiation

A. E. Webb, A. Rodriguez, B. Lekitsch, E. D. Standing, J. Randall, S. C. Webster, S. Weidt, W. K. Hensinger

arxiv:1501.01562 v2 · 2015-01-07 · quant-ph · 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{HEVVFXUYPKL3HT5BTIT2JBQEJS}

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	2026-05-18T01:37:15.723038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

392b52de987a97b3cfa19a27a486044c84531427d989a3f0214b5057d4804cdb

Aliases

arxiv: 1501.01562 · arxiv_version: 1501.01562v2 · doi: 10.48550/arxiv.1501.01562 · pith_short_12: HEVVFXUYPKL3 · pith_short_16: HEVVFXUYPKL3HT5B · pith_short_8: HEVVFXUY

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/HEVVFXUYPKL3HT5BTIT2JBQEJS \
  | 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: 392b52de987a97b3cfa19a27a486044c84531427d989a3f0214b5057d4804cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "159c327e7f059066b907d691615b86e2f0d0605f5997a2cad3050a8a86125d14",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-01-07T17:04:46Z",
    "title_canon_sha256": "75bfdd6b41760b2641639b2ecd1be00319b0a65bfc01fc05244626b882a1d802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01562",
    "kind": "arxiv",
    "version": 2
  }
}