Pith Number

pith:AJEL6SU7

pith:2006:AJEL6SU76MJSPRWNVJL5WM6HLZ

not attested not anchored not stored refs pending

Bilayer Low-Density Parity-Check Codes for Decode-and-Forward in Relay Channels

Peyman Razaghi, Wei Yu

arxiv:cs/0609018 v1 · 2006-09-05 · 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{AJEL6SU76MJSPRWNVJL5WM6HLZ}

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	2026-05-18T00:58:08.801300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0248bf4a9ff31327c6cdaa57db33c75e449c5f24e83959363826693be413915f

Aliases

arxiv: cs/0609018 · arxiv_version: cs/0609018v1 · doi: 10.48550/arxiv.cs/0609018 · pith_short_12: AJEL6SU76MJS · pith_short_16: AJEL6SU76MJSPRWN · pith_short_8: AJEL6SU7

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/AJEL6SU76MJSPRWNVJL5WM6HLZ \
  | 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: 0248bf4a9ff31327c6cdaa57db33c75e449c5f24e83959363826693be413915f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0fa2824c88c4beea0abfa0b70b790842f7890b4bc170d1b779db3d614378af",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2006-09-05T19:34:55Z",
    "title_canon_sha256": "855dcf1819a9301e97fef20bee7eaa01d63fda36baa34f4f271b13043986f216"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0609018",
    "kind": "arxiv",
    "version": 1
  }
}