Pith Number

pith:SWY4AEA3

pith:2013:SWY4AEA3R2OPXCOSTU574E3LTA

not attested not anchored not stored refs pending

Fast Polar Decoders: Algorithm and Implementation

Alexander Vardy, Claude Thibeault, Gabi Sarkis, Pascal Giard, Warren J. Gross

arxiv:1307.7154 v2 · 2013-07-26 · cs.AR · 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{SWY4AEA3R2OPXCOSTU574E3LTA}

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	2026-05-18T02:05:24.669790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95b1c0101b8e9cfb89d29d3bfe136b980c478aab3602ffdaea601cc82f5df715

Aliases

arxiv: 1307.7154 · arxiv_version: 1307.7154v2 · doi: 10.48550/arxiv.1307.7154 · pith_short_12: SWY4AEA3R2OP · pith_short_16: SWY4AEA3R2OPXCOS · pith_short_8: SWY4AEA3

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/SWY4AEA3R2OPXCOSTU574E3LTA \
  | 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: 95b1c0101b8e9cfb89d29d3bfe136b980c478aab3602ffdaea601cc82f5df715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f87c688c8f78485e8eb85443db10d9bc4ab216dad6d51f45077277901c16f15f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2013-07-26T20:07:04Z",
    "title_canon_sha256": "7cfc200a2719d8a99774d2f969b404d6abd71f637de8da0a9756fd72f3146caa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7154",
    "kind": "arxiv",
    "version": 2
  }
}