Pith Number

pith:J5J4T2U7

pith:2018:J5J4T2U7JVCNVOSKASLZJN3FL4

not attested not anchored not stored refs pending

Operational Magic Intensity for Sr Optical Lattice Clocks

Hidetoshi Katori, Ichiro Ushijima, Masao Takamoto

arxiv:1812.11815 v1 · 2018-12-31 · 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{J5J4T2U7JVCNVOSKASLZJN3FL4}

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	2026-05-17T23:57:11.090281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f53c9ea9f4d44daba4a049794b7655f219c356e95abfcddb8bf5b44ac8c1910

Aliases

arxiv: 1812.11815 · arxiv_version: 1812.11815v1 · doi: 10.48550/arxiv.1812.11815 · pith_short_12: J5J4T2U7JVCN · pith_short_16: J5J4T2U7JVCNVOSK · pith_short_8: J5J4T2U7

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/J5J4T2U7JVCNVOSKASLZJN3FL4 \
  | 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: 4f53c9ea9f4d44daba4a049794b7655f219c356e95abfcddb8bf5b44ac8c1910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9fac45d817dd9fa1e0ff3fcc15fc57ebc028f197b1310fa358c10ee00f329ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-12-31T14:40:18Z",
    "title_canon_sha256": "1d374db94f0b1c78b61d4ef82cda90b24018b8500b0ce8baf9141e074980e8a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11815",
    "kind": "arxiv",
    "version": 1
  }
}