Pith Number

pith:W22NWUVC

pith:2014:W22NWUVCCOQC2X74BW2JVAUSS4

not attested not anchored not stored refs pending

Compact Stabilized Semiconductor Laser for Frequency Metrology

A. A. Savchenkov, A. B. Matsko, D. Eliyahu, D. Seidel, E. Dale, L. Maleki, V. S. Ilchenko, W. Liang

arxiv:1411.4712 v1 · 2014-11-18 · 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{W22NWUVCCOQC2X74BW2JVAUSS4}

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	2026-05-18T01:41:29.675243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b4db52a213a02d5ffc0db49a8292971619af545a8d6468f9f84ea3ab64b7bd

Aliases

arxiv: 1411.4712 · arxiv_version: 1411.4712v1 · doi: 10.48550/arxiv.1411.4712 · pith_short_12: W22NWUVCCOQC · pith_short_16: W22NWUVCCOQC2X74 · pith_short_8: W22NWUVC

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/W22NWUVCCOQC2X74BW2JVAUSS4 \
  | 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: b6b4db52a213a02d5ffc0db49a8292971619af545a8d6468f9f84ea3ab64b7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7549f8c5f27871bb8e087bc95e8c7436c49e410e4803a6966dc7b1a48977eca5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-11-18T01:47:10Z",
    "title_canon_sha256": "31793deabae2fb855ee32f2a8cbff79a0bb8c3fdc2d0ac77bc89e73fad83ce59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4712",
    "kind": "arxiv",
    "version": 1
  }
}