Pith Number

pith:KKDSPEE2

pith:2012:KKDSPEE243GHEJLYYJDFUS4LL4

not attested not anchored not stored refs pending

Performance of Polar Codes on wireless communications Channel

Bei Wang, Peng Shi, Shengmei Zhao

arxiv:1204.6106 v1 · 2012-04-27 · 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{KKDSPEE243GHEJLYYJDFUS4LL4}

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	2026-05-18T03:56:46.985799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

528727909ae6cc722578c2465a4b8b5f37c97c42ecd6e570524128c3a1425bb6

Aliases

arxiv: 1204.6106 · arxiv_version: 1204.6106v1 · doi: 10.48550/arxiv.1204.6106 · pith_short_12: KKDSPEE243GH · pith_short_16: KKDSPEE243GHEJLY · pith_short_8: KKDSPEE2

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/KKDSPEE243GHEJLYYJDFUS4LL4 \
  | 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: 528727909ae6cc722578c2465a4b8b5f37c97c42ecd6e570524128c3a1425bb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efdf69e7348eb43b727de5a2aa729bf77218e10f43970eed0d49a2d5eb098cc7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-27T03:42:09Z",
    "title_canon_sha256": "e88189680e95f414a21186efa109fdcdf267820c0e34d2e3d0046096412ef6da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6106",
    "kind": "arxiv",
    "version": 1
  }
}