Pith Number

pith:QDSVBYIL

pith:2020:QDSVBYILKSAYGNVWGHKZANYIZW

not attested not anchored not stored refs pending

Two Types of Mixed Orthogonal Frequency Division Multiplexing (X-OFDM) Waveform for Optical Wireless Communication

Jiajin Luo, Jingjing Huang, Junping Zhang, Rui Ni, Xu Li, Yibo Lyu

arxiv:2011.08973 v1 · 2020-11-07 · eess.SP · cs.SY · eess.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDSVBYILKSAYGNVWGHKZANYIZW}

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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	2026-07-05T01:52:39.314904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80e550e10b54818336b631d5903708cdbd1b70d4edff23e0a3dc5839886af8ed

Aliases

arxiv: 2011.08973 · arxiv_version: 2011.08973v1 · doi: 10.48550/arxiv.2011.08973 · pith_short_12: QDSVBYILKSAY · pith_short_16: QDSVBYILKSAYGNVW · pith_short_8: QDSVBYIL

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/QDSVBYILKSAYGNVWGHKZANYIZW \
  | 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: 80e550e10b54818336b631d5903708cdbd1b70d4edff23e0a3dc5839886af8ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd020ef5159b3435bf757edc02d383efa264f67eeeb89fcc3b2ce0eaea888398",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-11-07T07:42:30Z",
    "title_canon_sha256": "b0ea9f517dceabf5fc97a0376695a217ac1bfe28d82dfbfb08f2d22b87f13e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.08973",
    "kind": "arxiv",
    "version": 1
  }
}