pith. sign in
Pith Number

pith:3TFI5535

pith:2018:3TFI5535RZ3PZR4O4FJ5TTX6ZK
not attested not anchored not stored refs pending

Precision spectroscopy of helium in a magic wavelength optical dipole trap

K.S.E. Eikema, M.D. Hoogerland, R. Jannin, R.J. Rengelink, R.P.M.J.W. Notermans, W. Vassen, Y. van der Werf

arxiv:1804.06693 v1 · 2018-04-18 · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3TFI5535RZ3PZR4O4FJ5TTX6ZK}

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 2026-05-18T00:05:50.788436Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dcca8ef77d8e76fcc78ee153d9cefeca98c00dc40af322e98986d10d2bf66d03

Aliases

arxiv: 1804.06693 · arxiv_version: 1804.06693v1 · doi: 10.48550/arxiv.1804.06693 · pith_short_12: 3TFI5535RZ3P · pith_short_16: 3TFI5535RZ3PZR4O · pith_short_8: 3TFI5535
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3TFI5535RZ3PZR4O4FJ5TTX6ZK \
  | 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: dcca8ef77d8e76fcc78ee153d9cefeca98c00dc40af322e98986d10d2bf66d03
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0ccd7fa1180a40cd4292d9e888ee2e6aaad6879a8952199644845590ea147b67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-04-18T12:52:13Z",
    "title_canon_sha256": "32a1882e3d5ce95ab7d8739235995e466a6fe3fadce2e93ed7c5f2bf0c844ddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06693",
    "kind": "arxiv",
    "version": 1
  }
}