Pith Number

pith:JSLGKFBF

pith:2026:JSLGKFBFVPZWTOR4R76OPNEKJB

not attested not anchored not stored refs pending

Laser stabilized to a room temperature cavity with AlGaAs coatings reaching $4.2 \times 10^{-17}$ fractional frequency instability

Chun Yu Ma, Daniele Nicolodi, Fritz Riehle, Jialiang Yu, Mona Kempkes, Sofia Herbers, Steffen Sauer, Thomas Legero, Uwe Sterr

arxiv:2607.01406 v1 · 2026-07-01 · physics.optics · 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{JSLGKFBFVPZWTOR4R76OPNEKJB}

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	2026-07-03T00:16:59.513308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c96651425abf369ba3c8ffce7b48a486efdca1638b9caf71264e320f9089f9b

Aliases

arxiv: 2607.01406 · arxiv_version: 2607.01406v1 · doi: 10.48550/arxiv.2607.01406 · pith_short_12: JSLGKFBFVPZW · pith_short_16: JSLGKFBFVPZWTOR4 · pith_short_8: JSLGKFBF

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/JSLGKFBFVPZWTOR4R76OPNEKJB \
  | 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: 4c96651425abf369ba3c8ffce7b48a486efdca1638b9caf71264e320f9089f9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c60030e0b2d737f414abaf37f18b7d725ed9351f5ddb66692805482f78c04a22",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-01T19:12:37Z",
    "title_canon_sha256": "6c0ad29a39535fb6efffe92df6ff536c983d3a815e81b7534191893c2c609997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01406",
    "kind": "arxiv",
    "version": 1
  }
}