Pith Number

pith:ROGUTXRQ

pith:2009:ROGUTXRQEEHXIYT5JFKSZUOEOQ

not attested not anchored not stored refs pending

Disjoint LDPC Coding for Gaussian Broadcast Channels

Mahdi Ramezani, Masoud Ardakani

arxiv:0906.2819 v1 · 2009-06-15 · 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{ROGUTXRQEEHXIYT5JFKSZUOEOQ}

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	2026-05-18T00:57:58.148630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b8d49de30210f74627d49552cd1c4740389b57f96a0f64517a20b3b55f8cdc1

Aliases

arxiv: 0906.2819 · arxiv_version: 0906.2819v1 · doi: 10.48550/arxiv.0906.2819 · pith_short_12: ROGUTXRQEEHX · pith_short_16: ROGUTXRQEEHXIYT5 · pith_short_8: ROGUTXRQ

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/ROGUTXRQEEHXIYT5JFKSZUOEOQ \
  | 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: 8b8d49de30210f74627d49552cd1c4740389b57f96a0f64517a20b3b55f8cdc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf9e2d6790a70886850a4fcc3bb46a9073f9d3dfbc2ec540961d51332363bac",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-06-15T23:09:04Z",
    "title_canon_sha256": "228a23caa87de8b8cf0b467faa88998ea99c7ed82014b904019fd77cd98e240d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2819",
    "kind": "arxiv",
    "version": 1
  }
}