Pith Number

pith:YSCOMKFA

pith:2024:YSCOMKFAQYXR5IC4PQUFKSBA2U

not attested not anchored not stored refs pending

Cryogenic sapphire optical reference cavity with crystalline coatings at $\mathrm{ 1 \times 10^{-16}}$ fractional instability

David B. Hume, David R. Leibrandt, George Iskander, Jose Valencia, Nicholas V. Nardelli

arxiv:2404.14310 v1 · 2024-04-22 · 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{YSCOMKFAQYXR5IC4PQUFKSBA2U}

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	2026-07-05T08:10:45.543349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c484e628a0862f1ea05c7c28554820d53dd805d520287e3e867adf66a8835e16

Aliases

arxiv: 2404.14310 · arxiv_version: 2404.14310v1 · doi: 10.48550/arxiv.2404.14310 · pith_short_12: YSCOMKFAQYXR · pith_short_16: YSCOMKFAQYXR5IC4 · pith_short_8: YSCOMKFA

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/YSCOMKFAQYXR5IC4PQUFKSBA2U \
  | 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: c484e628a0862f1ea05c7c28554820d53dd805d520287e3e867adf66a8835e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f43f1b6cc0872dbc26246b3de5796e4f99d23a4a5ccd3cc82f8897235f51dbd9",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-04-22T16:11:12Z",
    "title_canon_sha256": "57a541c8811ca217f086a2c035bfc1b55ab1b81342ebffb29d97d29724846700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.14310",
    "kind": "arxiv",
    "version": 1
  }
}