Pith Number

pith:IRURMPHI

pith:2013:IRURMPHIB3QU6OVW72PUKY6PAD

not attested not anchored not stored refs pending

Joint Distributed Source-Channel Decoding for LDPC-Coded Binary Markov Sources

Markku Juntti, Reza Asvadi, Tad Matsumoto

arxiv:1308.0120 v1 · 2013-08-01 · 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{IRURMPHIB3QU6OVW72PUKY6PAD}

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	2026-05-18T03:16:59.783442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4469163ce80ee14f3ab6fe9f4563cf00f1f64c3928d9dd0c39e14676deeaca9d

Aliases

arxiv: 1308.0120 · arxiv_version: 1308.0120v1 · doi: 10.48550/arxiv.1308.0120 · pith_short_12: IRURMPHIB3QU · pith_short_16: IRURMPHIB3QU6OVW · pith_short_8: IRURMPHI

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/IRURMPHIB3QU6OVW72PUKY6PAD \
  | 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: 4469163ce80ee14f3ab6fe9f4563cf00f1f64c3928d9dd0c39e14676deeaca9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76a6808da49506ea2571426811331705002db8cb28ddbd4a426a968bc00b514c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-01T08:43:19Z",
    "title_canon_sha256": "c97956f4770630eb1e37800302d80d288ff9ad462657dc401bb89ab5ba63cb4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0120",
    "kind": "arxiv",
    "version": 1
  }
}