Pith Number

pith:7SLPTA7L

pith:2021:7SLPTA7LLXVYGLE5Q3S3TQMQXT

not attested not anchored not stored refs pending

Radio frequency spectrum analyzer with a 5 THz bandwidth based on nonlinear optics in a CMOS compatible high-index doped silica waveguide

Brent E. Little, David J. Moss, Kun Zhu, Roberto Morandotti, Roy R. Davidson, Sai Tak Chu, Shiqi Ai, Xiang Wang, Yan Wu, Yuhua Li, Zhe Kang

arxiv:2103.10557 v1 · 2021-03-18 · physics.optics · physics.app-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{7SLPTA7LLXVYGLE5Q3S3TQMQXT}

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	2026-07-05T02:24:42.564904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc96f983eb5deb832c9d86e5b9c190bccf97c4127d7d58acdf9e816a1cbe3e7c

Aliases

arxiv: 2103.10557 · arxiv_version: 2103.10557v1 · doi: 10.48550/arxiv.2103.10557 · pith_short_12: 7SLPTA7LLXVY · pith_short_16: 7SLPTA7LLXVYGLE5 · pith_short_8: 7SLPTA7L

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/7SLPTA7LLXVYGLE5Q3S3TQMQXT \
  | 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: fc96f983eb5deb832c9d86e5b9c190bccf97c4127d7d58acdf9e816a1cbe3e7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daab04576d5b64af4145ff61548c07809763e2d06bb61972c88f2ddf7041cd91",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-03-18T22:56:41Z",
    "title_canon_sha256": "9a2afd5225c6d5a94539a1bca78b771e1d3ede0cd716446d690493f70b1de035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10557",
    "kind": "arxiv",
    "version": 1
  }
}