Pith Number

pith:LIW2ZV4B

pith:2014:LIW2ZV4B22BKOYN7OXN4IHY4FD

not attested not anchored not stored refs pending

An Efficient List Decoder Architecture for Polar Codes

Jun Lin, Zhiyuan Yan

arxiv:1409.4744 v2 · 2014-09-16 · 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{LIW2ZV4B22BKOYN7OXN4IHY4FD}

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	2026-05-18T02:35:46.925288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a2dacd781d682a761bf75dbc41f1c28cfc756aaf2dbd5b6809b9487280b3ce1

Aliases

arxiv: 1409.4744 · arxiv_version: 1409.4744v2 · doi: 10.48550/arxiv.1409.4744 · pith_short_12: LIW2ZV4B22BK · pith_short_16: LIW2ZV4B22BKOYN7 · pith_short_8: LIW2ZV4B

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/LIW2ZV4B22BKOYN7OXN4IHY4FD \
  | 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: 5a2dacd781d682a761bf75dbc41f1c28cfc756aaf2dbd5b6809b9487280b3ce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dad346be472c0136194e23cbd92d68a4bee8b0b61f5c2840906d55acf0c4f75",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2014-09-16T19:39:49Z",
    "title_canon_sha256": "f3f5bdfd3200160d359337060c0fa2a033051d807ef9a13bf935f395338f2ddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4744",
    "kind": "arxiv",
    "version": 2
  }
}