Pith Number

pith:I4DCKVXI

pith:2013:I4DCKVXIXD2ZRGYHYWOFHPJZV4

not attested not anchored not stored refs pending

Performance Analysis of Protograph LDPC Codes for Nakagami-$m$ Fading Relay Channels

Kai-Kit Wong, Kin-Fai Tong, Lin Wang, Yi Fang

arxiv:1304.6614 v1 · 2013-04-24 · 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{I4DCKVXIXD2ZRGYHYWOFHPJZV4}

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	2026-05-18T03:27:12.594546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47062556e8b8f5989b07c59c53bd39af259517bb387f4eb87322e123b1dcbd0d

Aliases

arxiv: 1304.6614 · arxiv_version: 1304.6614v1 · doi: 10.48550/arxiv.1304.6614 · pith_short_12: I4DCKVXIXD2Z · pith_short_16: I4DCKVXIXD2ZRGYH · pith_short_8: I4DCKVXI

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/I4DCKVXIXD2ZRGYHYWOFHPJZV4 \
  | 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: 47062556e8b8f5989b07c59c53bd39af259517bb387f4eb87322e123b1dcbd0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87853e8d674725ef45fd2957ab8f86286ddd07a8230f164907ff881b767b706d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-24T14:58:29Z",
    "title_canon_sha256": "4a17b5f332dcd38b03ec6526e5a6d103b59d2882d49b5cbbdc68c9f0f2664aa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6614",
    "kind": "arxiv",
    "version": 1
  }
}