Pith Number

pith:FIJSK67H

pith:2014:FIJSK67HCASMNPVYCDWRDJPK7W

not attested not anchored not stored refs pending

Locally-Optimized Reweighted Belief Propagation for Decoding LDPC Codes with Finite-Length

H. Wymeersch, J. Li, R. C. de Lamare

arxiv:1403.0836 v1 · 2014-03-04 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIJSK67HCASMNPVYCDWRDJPK7W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:57:15.574135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a13257be71024c6beb810ed11a5eafda1278fd2b98b120363450c33c9e5edfe

Aliases

arxiv: 1403.0836 · arxiv_version: 1403.0836v1 · doi: 10.48550/arxiv.1403.0836 · pith_short_12: FIJSK67HCASM · pith_short_16: FIJSK67HCASMNPVY · pith_short_8: FIJSK67H

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/FIJSK67HCASMNPVYCDWRDJPK7W \
  | 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: 2a13257be71024c6beb810ed11a5eafda1278fd2b98b120363450c33c9e5edfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e5183e59e2b220be7dc4eb99079c23c4916bb2ff362c928bef15605d851c7f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-03-04T16:22:18Z",
    "title_canon_sha256": "692d496cc7bc403a385471164b1db7b0bb0e4d2fa130a7deca965362b56c2fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0836",
    "kind": "arxiv",
    "version": 1
  }
}