Pith Number

pith:NLY5I4SB

pith:2018:NLY5I4SBQLL75EE7MVTBS2CZWK

not attested not anchored not stored refs pending

Highly charged ions: optical clocks and applications in fundamental physics

J. R. Crespo L\'opez-Urrutia, M. G. Kozlov, M. S. Safronova, P. O. Schmidt

arxiv:1803.06532 v1 · 2018-03-17 · 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{NLY5I4SBQLL75EE7MVTBS2CZWK}

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	2026-05-17T23:59:01.863867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6af1d4724182d7fe909f6566196859b281c79a26381bed61ef71f0c7329377a3

Aliases

arxiv: 1803.06532 · arxiv_version: 1803.06532v1 · doi: 10.48550/arxiv.1803.06532 · pith_short_12: NLY5I4SBQLL7 · pith_short_16: NLY5I4SBQLL75EE7 · pith_short_8: NLY5I4SB

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/NLY5I4SBQLL75EE7MVTBS2CZWK \
  | 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: 6af1d4724182d7fe909f6566196859b281c79a26381bed61ef71f0c7329377a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0638837f3991601a5e3bace19c0555aa2a09fb978b0a293a40b15b658403577f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-03-17T16:19:53Z",
    "title_canon_sha256": "9a8c29b3d5410cc8fce72a8168892bb08c0d974a631057ec527e0b5eb8b62383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06532",
    "kind": "arxiv",
    "version": 1
  }
}