Pith Number

pith:4CNQFABS

pith:2019:4CNQFABSKZIBEFOQE3QC5OIQPJ

not attested not anchored not stored refs pending

An efficient coding algorithm for general Framed Pulse Width Modulations

Hyeon-Min Bae, Soon-Won Kwon

arxiv:1905.00274 v1 · 2019-05-01 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CNQFABSKZIBEFOQE3QC5OIQPJ}

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	2026-05-17T23:47:13.279132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e09b02803256501215d026e02eb9107a48fdf5647032f37fe531371a10bd44a8

Aliases

arxiv: 1905.00274 · arxiv_version: 1905.00274v1 · doi: 10.48550/arxiv.1905.00274 · pith_short_12: 4CNQFABSKZIB · pith_short_16: 4CNQFABSKZIBEFOQ · pith_short_8: 4CNQFABS

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/4CNQFABSKZIBEFOQE3QC5OIQPJ \
  | 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: e09b02803256501215d026e02eb9107a48fdf5647032f37fe531371a10bd44a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b33a9ad32eaa231ade16e33fa6418ad74858f1b20cc20350d81e3bee0ef9f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-01T12:15:01Z",
    "title_canon_sha256": "75df70bfb5c75e667089add0b114cd21bebd392a660ea057cde92c2b67a1d31a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00274",
    "kind": "arxiv",
    "version": 1
  }
}