Pith Number

pith:A4XH63MQ

pith:2018:A4XH63MQCSBJPH76H7SSGDZ7P6

not attested not anchored not stored refs pending

Ultrafast coherent excitation of a Ca$^+$ ion

C. F. Roos, D. Heinrich, M. Guevara-Bertsch, M. Guggemos, M. I. Hussain, R. Blatt

arxiv:1812.08537 v1 · 2018-12-20 · 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{A4XH63MQCSBJPH76H7SSGDZ7P6}

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	2026-05-17T23:39:55.532928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

072e7f6d901482979ffe3fe5230f3f7fa282adf4f7b6595bfc48d48f1dfc8d4e

Aliases

arxiv: 1812.08537 · arxiv_version: 1812.08537v1 · doi: 10.48550/arxiv.1812.08537 · pith_short_12: A4XH63MQCSBJ · pith_short_16: A4XH63MQCSBJPH76 · pith_short_8: A4XH63MQ

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/A4XH63MQCSBJPH76H7SSGDZ7P6 \
  | 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: 072e7f6d901482979ffe3fe5230f3f7fa282adf4f7b6595bfc48d48f1dfc8d4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "602b61173891a3c028969d76815805b764374b0ffe901cd1c13119017546f5d7",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-20T13:01:21Z",
    "title_canon_sha256": "21e07a9a064997d14e924e84b327920060af28b97bdc399b653175851963e582"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08537",
    "kind": "arxiv",
    "version": 1
  }
}