Pith Number

pith:SBE7WEJD

pith:2018:SBE7WEJDLIGG2KG5SXGZM77T4V

not attested not anchored not stored refs pending

Quantized Constant Envelope Precoding with PSK and QAM Signaling

A. Lee Swindlehurst, Amine Mezghani, Hela Jedda, Josef A. Nossek

arxiv:1801.09542 v1 · 2018-01-29 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBE7WEJDLIGG2KG5SXGZM77T4V}

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	2026-05-18T00:24:57.098888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9049fb11235a0c6d28dd95cd967ff3e5578799f9297feb0caba603fe55c533b6

Aliases

arxiv: 1801.09542 · arxiv_version: 1801.09542v1 · doi: 10.48550/arxiv.1801.09542 · pith_short_12: SBE7WEJDLIGG · pith_short_16: SBE7WEJDLIGG2KG5 · pith_short_8: SBE7WEJD

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/SBE7WEJDLIGG2KG5SXGZM77T4V \
  | 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: 9049fb11235a0c6d28dd95cd967ff3e5578799f9297feb0caba603fe55c533b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13545df4bae32602baffdaf9e0228fd9c481f9914df4f386471d32db565d7ac5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-29T14:55:27Z",
    "title_canon_sha256": "34f6ccc6a983e65ca5ad3cba3f4857ea3f044b0863f82b4bcc626c3804c49c0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09542",
    "kind": "arxiv",
    "version": 1
  }
}