Pith Number

pith:HBDU6K5X

pith:2024:HBDU6K5XJ46FQGGLNSVDTNMQIC

not attested not anchored not stored refs pending

Progress on Optical Clock Technology for Operational Timescales

B. Hemingway, J. Whalen, S. Peil, T. G. Akin, W. Tobias

arxiv:2412.15403 v1 · 2024-12-19 · 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{HBDU6K5XJ46FQGGLNSVDTNMQIC}

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	2026-07-05T09:52:22.783698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38474f2bb74f3c5818cb6caa39b59040a1b028f5f3e196dfa78f6eeb7bc5d099

Aliases

arxiv: 2412.15403 · arxiv_version: 2412.15403v1 · doi: 10.48550/arxiv.2412.15403 · pith_short_12: HBDU6K5XJ46F · pith_short_16: HBDU6K5XJ46FQGGL · pith_short_8: HBDU6K5X

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/HBDU6K5XJ46FQGGLNSVDTNMQIC \
  | 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: 38474f2bb74f3c5818cb6caa39b59040a1b028f5f3e196dfa78f6eeb7bc5d099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c0880b43d42129130352c952ddfa01cae317f5bcf7ca8eb7c1b335cd532b0cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2024-12-19T21:14:52Z",
    "title_canon_sha256": "404ce50960364d19bc4049a1b5e4df81a760365f1a19121355bec6751e1ea5f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.15403",
    "kind": "arxiv",
    "version": 1
  }
}