Pith Number

pith:EYTKDC7F

pith:2023:EYTKDC7F7XEQBURLZXEXEVL7T7

not attested not anchored not stored refs pending

Optical Telecommunications-Band Clock based on Neutral Titanium Atoms

Charles Cheung, Dan M. Stamper-Kurn, Diego Novoa, Dmytro Filin, Jackson Schrott, Marianna S. Safronova, Scott Eustice, Sergey Porsev

arxiv:2301.13363 v1 · 2023-01-31 · 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{EYTKDC7F7XEQBURLZXEXEVL7T7}

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	2026-07-05T08:31:38.917747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2626a18be5fdc900d22bcdc972557f9feae7b02575ecacf01fb548521897dd39

Aliases

arxiv: 2301.13363 · arxiv_version: 2301.13363v1 · doi: 10.48550/arxiv.2301.13363 · pith_short_12: EYTKDC7F7XEQ · pith_short_16: EYTKDC7F7XEQBURL · pith_short_8: EYTKDC7F

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/EYTKDC7F7XEQBURLZXEXEVL7T7 \
  | 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: 2626a18be5fdc900d22bcdc972557f9feae7b02575ecacf01fb548521897dd39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a1aeba17d774698b7b93c90b1960266a5c3df1bc9da7403411b786f36d5a1e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2023-01-31T01:39:42Z",
    "title_canon_sha256": "3fad09b0e5421f3c0b103f39ed8fe5f39de44d7bd8db6024413164e4ee90cd83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13363",
    "kind": "arxiv",
    "version": 1
  }
}