Pith Number

pith:Z2U2NBJV

pith:2005:Z2U2NBJVKTTIXZEDB5KUNVOGRW

not attested not anchored not stored refs pending

Iterative Algebraic Soft-Decision List Decoding of Reed-Solomon Codes

Mostafa El-Khamy, Robert J. McEliece

arxiv:cs/0509097 v1 · 2005-09-29 · 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{Z2U2NBJVKTTIXZEDB5KUNVOGRW}

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	2026-05-18T02:37:36.913735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cea9a6853554e68be4830f5546d5c68db3c6b649c4ee5fc2e3c266b09116e6c1

Aliases

arxiv: cs/0509097 · arxiv_version: cs/0509097v1 · doi: 10.48550/arxiv.cs/0509097 · pith_short_12: Z2U2NBJVKTTI · pith_short_16: Z2U2NBJVKTTIXZED · pith_short_8: Z2U2NBJV

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/Z2U2NBJVKTTIXZEDB5KUNVOGRW \
  | 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: cea9a6853554e68be4830f5546d5c68db3c6b649c4ee5fc2e3c266b09116e6c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02bdd36922c12a7e6d377b1d8f0c20ed8d86b3f6fb84588af865d8e64ea50ee",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-09-29T07:22:10Z",
    "title_canon_sha256": "83c5fefe199508156996aad2244df2eedc518b91b5a592eedc026f0de5ff2728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0509097",
    "kind": "arxiv",
    "version": 1
  }
}