Pith Number

pith:7WPE6UFJ

pith:2014:7WPE6UFJM6YVDU2CRR6UW26KRF

not attested not anchored not stored refs pending

Spectrally Pure RF Photonic Source Based on a Resonant Optical Hyper-Parametric Oscillator

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

arxiv:1404.0104 v1 · 2014-04-01 · 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{7WPE6UFJM6YVDU2CRR6UW26KRF}

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	2026-05-18T02:55:05.128442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9e4f50a967b151d3428c7d4b6bca895791a90cefaf09e7d1c63b2c754fed87

Aliases

arxiv: 1404.0104 · arxiv_version: 1404.0104v1 · doi: 10.48550/arxiv.1404.0104 · pith_short_12: 7WPE6UFJM6YV · pith_short_16: 7WPE6UFJM6YVDU2C · pith_short_8: 7WPE6UFJ

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/7WPE6UFJM6YVDU2CRR6UW26KRF \
  | 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: fd9e4f50a967b151d3428c7d4b6bca895791a90cefaf09e7d1c63b2c754fed87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0dc027050f4261c760fa0ec670ea7f21312d6a4e31132cfc9fde48d8d3a7ad5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-04-01T02:02:19Z",
    "title_canon_sha256": "1993fde0f49cd6dc1d2f83b07ee50c753c2c267109bd4046ae4763dd6f96289e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0104",
    "kind": "arxiv",
    "version": 1
  }
}