Pith Number

pith:SDNLQALI

pith:2018:SDNLQALIEOLHWINTJDDJ7BTHL6

not attested not anchored not stored refs pending

Compact ultracold electron source based on a grating magneto optical trap

J.G.H. Franssen, M.A.W. van Ninhuijs, O.J. Luiten, T.C.H. de Raadt

arxiv:1806.10504 v3 · 2018-06-27 · physics.acc-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{SDNLQALIEOLHWINTJDDJ7BTHL6}

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	2026-05-17T23:54:22.842031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90dab8016823967b21b348c69f86675f8ef5f473555844cc3ba4f91da3dd695c

Aliases

arxiv: 1806.10504 · arxiv_version: 1806.10504v3 · doi: 10.48550/arxiv.1806.10504 · pith_short_12: SDNLQALIEOLH · pith_short_16: SDNLQALIEOLHWINT · pith_short_8: SDNLQALI

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/SDNLQALIEOLHWINTJDDJ7BTHL6 \
  | 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: 90dab8016823967b21b348c69f86675f8ef5f473555844cc3ba4f91da3dd695c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cee73540809ebcd285cce7a4a1d0862fe103856aa3f0a20175c04090f05952ca",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-06-27T14:41:16Z",
    "title_canon_sha256": "33ddf66bce7c2850a1bc6f90adfa674f8184bfb209878c6184d9222ff69d2b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10504",
    "kind": "arxiv",
    "version": 3
  }
}