Pith Number

pith:PD3FEEKF

pith:2017:PD3FEEKFHVSFCWCTKB3JGVKQ66

not attested not anchored not stored refs pending

On-Line Estimation of Local Oscillator Noise and Optimisation of Servo Parameters in Atomic Clocks

Ian D. Leroux, Johannes Kramer, Lennart Pelzer, Mariia Stepanova, Nils Scharnhorst, Piet O. Schmidt, Stephan Hannig

arxiv:1701.06697 v2 · 2017-01-24 · 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{PD3FEEKFHVSFCWCTKB3JGVKQ66}

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	2026-05-18T00:46:37.852385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f65211453d645158535076935550f790712d32a4f5a20807ed23e3c6b75894

Aliases

arxiv: 1701.06697 · arxiv_version: 1701.06697v2 · doi: 10.48550/arxiv.1701.06697 · pith_short_12: PD3FEEKFHVSF · pith_short_16: PD3FEEKFHVSFCWCT · pith_short_8: PD3FEEKF

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/PD3FEEKFHVSFCWCTKB3JGVKQ66 \
  | 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: 78f65211453d645158535076935550f790712d32a4f5a20807ed23e3c6b75894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791788850e02e3219c5012e0456c8c03f9fd72189aa1bb468ba7fede6912a21a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-01-24T00:48:01Z",
    "title_canon_sha256": "f64c13f4d6b866b15e9da619b1475e5fd19d8ee1b5e66d9c73e6425fb065e85d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06697",
    "kind": "arxiv",
    "version": 2
  }
}