Pith Number

pith:SDXVMIM5

pith:2020:SDXVMIM5YEOI5DZWBLDW3SAYVN

not attested not anchored not stored refs pending

Compact transportable 171Yb+ single-ion optical fully automated clock with 4.9E-16 relative instability

Alexander Borisenko, Alexei Taichenachev, Anton Tausenev, Ilya Semerikov, Ilya Zalivako, Ivan Sherstov, Konstantin Makarenko, Ksenia Khabarova, Mikhail Axenov, Nikolay Kolachevsky, Sergey Bagaev, Sergey Chepurov, Timur Abbasov

arxiv:2010.15244 v3 · 2020-10-24 · physics.ins-det · physics.app-ph · physics.optics · 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{SDXVMIM5YEOI5DZWBLDW3SAYVN}

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.

Cited by

1 paper in Pith

An Al$^+$ clock with $1.6\times10^{-18}$ systematic uncertainty and its frequency ratios

Receipt and verification

First computed	2026-07-05T01:48:14.272777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ef56219dc11c8e8f360ac76dc818ab4966e7b514ba21b4bf9ea4f2133c5664

Aliases

arxiv: 2010.15244 · arxiv_version: 2010.15244v3 · doi: 10.48550/arxiv.2010.15244 · pith_short_12: SDXVMIM5YEOI · pith_short_16: SDXVMIM5YEOI5DZW · pith_short_8: SDXVMIM5

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/SDXVMIM5YEOI5DZWBLDW3SAYVN \
  | 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: 90ef56219dc11c8e8f360ac76dc818ab4966e7b514ba21b4bf9ea4f2133c5664

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebecf6a5139b19b1d0d94a1e7fedb01ab92bfc8033cb01c2dbf928965c5e9a98",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2020-10-24T17:37:35Z",
    "title_canon_sha256": "79a59f41ecff55fc13634c404d53c7ec614b1460486534639f2053736533b0e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.15244",
    "kind": "arxiv",
    "version": 3
  }
}