Pith Number

pith:SA5CME6O

pith:2026:SA5CME6OE4JS3OMW3NQOHFKEAY

not attested not anchored not stored refs pending

Dual-Faraday-laser-pumped cesium beam clock with $7.7\times 10^{-13}/\sqrt\tau$ frequency stability

Haijun Chen, Hangbo Shi, Jingbiao Chen, Qiang Wei, Suyang Wei, Tiantian Shi, Xiaomin Qin, Yufei Yan, Zheng Xiao, Zhiyang Wang, Zijie Liu

arxiv:2608.06169 v1 · 2026-08-06 · physics.atom-ph · quant-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{SA5CME6OE4JS3OMW3NQOHFKEAY}

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	2026-08-07T01:40:52.145936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

903a2613ce27132db996db60e395440634b6c7a2a89fc889b0a0620d92be238b

Aliases

arxiv: 2608.06169 · arxiv_version: 2608.06169v1 · doi: 10.48550/arxiv.2608.06169 · pith_short_12: SA5CME6OE4JS · pith_short_16: SA5CME6OE4JS3OMW · pith_short_8: SA5CME6O

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/SA5CME6OE4JS3OMW3NQOHFKEAY \
  | 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: 903a2613ce27132db996db60e395440634b6c7a2a89fc889b0a0620d92be238b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf5320ac98e959d51b86c8c13cf32533675de73b254b5a5931ce9655c6e25605",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2026-08-06T15:35:05Z",
    "title_canon_sha256": "0280efc34e47730580b4e8e7cf802a46bda4db4bb07c7efcc5f3d26eb4e184d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06169",
    "kind": "arxiv",
    "version": 1
  }
}