Pith Number

pith:D3EC43J2

pith:2012:D3EC43J2NULY5ZMFMJK5KIDJXL

not attested not anchored not stored refs pending

Message-Passing Algorithms for Channel Estimation and Decoding Using Approximate Inference

Bernard Henri Fleury, Carles Navarro Manch\'on, Erwin Riegler, Gunvor Elisabeth Kirkelund, Mihai-Alin Badiu

arxiv:1202.1467 v2 · 2012-02-07 · cs.IT · math.IT · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3EC43J2NULY5ZMFMJK5KIDJXL}

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	2026-05-18T00:59:09.854668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ec82e6d3a6d178ee5856255d52069bad1154f85862d2c3a75fee1c4aeaf8f6f

Aliases

arxiv: 1202.1467 · arxiv_version: 1202.1467v2 · doi: 10.48550/arxiv.1202.1467 · pith_short_12: D3EC43J2NULY · pith_short_16: D3EC43J2NULY5ZMF · pith_short_8: D3EC43J2

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/D3EC43J2NULY5ZMFMJK5KIDJXL \
  | 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: 1ec82e6d3a6d178ee5856255d52069bad1154f85862d2c3a75fee1c4aeaf8f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2649c6c3e98e8e42db02443e3c58d60a7c89354a574ba1c2e8b96363d8482090",
    "cross_cats_sorted": [
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-07T17:14:46Z",
    "title_canon_sha256": "2e8ab900b0538ca51a56f3ae02cb4281adb32a0d94d7a949c85a732cf925a849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1467",
    "kind": "arxiv",
    "version": 2
  }
}