Pith Number

pith:GNZYWPKP

pith:2013:GNZYWPKPCT445HNU7DHZ2IE5Z3

not attested not anchored not stored refs pending

Parallel Decoders of Polar Codes

Bin Li, David Tse, Hui Shen

arxiv:1309.1026 v1 · 2013-09-04 · 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{GNZYWPKPCT445HNU7DHZ2IE5Z3}

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	2026-05-18T03:14:09.297991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33738b3d4f14f9ce9db4f8cf9d209dcefe3bc69b10b09874fcad2d507654dd06

Aliases

arxiv: 1309.1026 · arxiv_version: 1309.1026v1 · doi: 10.48550/arxiv.1309.1026 · pith_short_12: GNZYWPKPCT44 · pith_short_16: GNZYWPKPCT445HNU · pith_short_8: GNZYWPKP

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/GNZYWPKPCT445HNU7DHZ2IE5Z3 \
  | 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: 33738b3d4f14f9ce9db4f8cf9d209dcefe3bc69b10b09874fcad2d507654dd06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664d5042b526d005a98acab65487d2faeb180be0bd8965d3af3f9bfbe37be4c6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-04T13:42:04Z",
    "title_canon_sha256": "72cc66191aa35d0d110ffc5fafb6d684d173581262d97b08f7ac24ee6ae7d071"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1026",
    "kind": "arxiv",
    "version": 1
  }
}