Pith Number

pith:FHRZVBE5

pith:2012:FHRZVBE5ZGWS4M5ZIVW3HMBDUW

not attested not anchored not stored refs pending

Locking the frequency of lasers to an optical cavity at the $1.6 \times 10^{-17}$ relative instability level

Alexander Nevsky, Qun-feng Chen, Stephan Schiller

arxiv:1203.6247 v1 · 2012-03-28 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FHRZVBE5ZGWS4M5ZIVW3HMBDUW}

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	2026-05-18T03:38:14.251628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29e39a849dc9ad2e33b9456db3b023a5a65c8ddb692b9d89c956180d085d1e48

Aliases

arxiv: 1203.6247 · arxiv_version: 1203.6247v1 · doi: 10.48550/arxiv.1203.6247 · pith_short_12: FHRZVBE5ZGWS · pith_short_16: FHRZVBE5ZGWS4M5Z · pith_short_8: FHRZVBE5

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/FHRZVBE5ZGWS4M5ZIVW3HMBDUW \
  | 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: 29e39a849dc9ad2e33b9456db3b023a5a65c8ddb692b9d89c956180d085d1e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8681cf0347b178f627f6deed68ec98af3269c5d62a36d2906b881d81815a0c36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-03-28T12:29:43Z",
    "title_canon_sha256": "1e964fb4f968f5347679ceca781ac2f32a891ec36d300304f6a1d2905c3487fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6247",
    "kind": "arxiv",
    "version": 1
  }
}