Pith Number

pith:T74W3PVS

pith:2015:T74W3PVSO2B7TSTODR5I2ODTWG

not attested not anchored not stored refs pending

Index Codes for the Gaussian Broadcast Channel using Quadrature Amplitude Modulation

Emanuele Viterbo, Lakshmi Natarajan, Yi Hong

arxiv:1505.07283 v1 · 2015-05-27 · 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{T74W3PVSO2B7TSTODR5I2ODTWG}

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	2026-05-18T00:57:50.620104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff96dbeb27683f9ca6e1c7a8d3873b18d8e660fae3ad930e5d80f2e1b367d46

Aliases

arxiv: 1505.07283 · arxiv_version: 1505.07283v1 · doi: 10.48550/arxiv.1505.07283 · pith_short_12: T74W3PVSO2B7 · pith_short_16: T74W3PVSO2B7TSTO · pith_short_8: T74W3PVS

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/T74W3PVSO2B7TSTODR5I2ODTWG \
  | 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: 9ff96dbeb27683f9ca6e1c7a8d3873b18d8e660fae3ad930e5d80f2e1b367d46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09551e1644b7851b1050fd992cac2f8b7472a2945679ca97145368c78b0e9076",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-27T12:20:08Z",
    "title_canon_sha256": "33287c95bcce71685e6524db90d2c710d89f65aac764ad29e377099a5407facc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07283",
    "kind": "arxiv",
    "version": 1
  }
}