Pith Number

pith:UTR7WJKC

pith:2019:UTR7WJKC6IFGLNLQNHHABN4VC4

not attested not anchored not stored refs pending

Fast Decoding of Multi-Kernel Polar Codes

Adam Cavatassi, Thibaud Tonnellier, Warren J. Gross

arxiv:1902.01922 v1 · 2019-02-05 · 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{UTR7WJKC6IFGLNLQNHHABN4VC4}

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	2026-05-17T23:54:38.387268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e3fb2542f20a65b57069ce00b795173c94d034bc8749ad51a46cc169b5ed3d

Aliases

arxiv: 1902.01922 · arxiv_version: 1902.01922v1 · doi: 10.48550/arxiv.1902.01922 · pith_short_12: UTR7WJKC6IFG · pith_short_16: UTR7WJKC6IFGLNLQ · pith_short_8: UTR7WJKC

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/UTR7WJKC6IFGLNLQNHHABN4VC4 \
  | 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: a4e3fb2542f20a65b57069ce00b795173c94d034bc8749ad51a46cc169b5ed3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dee669f488c95b7380ec3c86670fc81d31984c2475a3a3f902af05120a901dbe",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-05T21:45:21Z",
    "title_canon_sha256": "eeb7bd65e704930016c850b3c4d639ce08e6a3dd024fefc27e54ed239c7d347d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01922",
    "kind": "arxiv",
    "version": 1
  }
}