Pith Number

pith:5VIS4QO5

pith:2019:5VIS4QO5QGERJQY4DBIFVLGCM2

not attested not anchored not stored refs pending

Algorithm and Architecture for Path Metric Aided Bit-Flipping Decoding of Polar Codes

Lirui Chen, Qinglin Wang, Yang Zhang, Yu Wang, Zuocheng Xing

arxiv:1903.03381 v1 · 2019-03-08 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VIS4QO5QGERJQY4DBIFVLGCM2}

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	2026-05-17T23:51:45.657227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed512e41dd818914c31c18505aacc266a280d6eddbf2d23a08183f64ade59cfa

Aliases

arxiv: 1903.03381 · arxiv_version: 1903.03381v1 · doi: 10.48550/arxiv.1903.03381 · pith_short_12: 5VIS4QO5QGER · pith_short_16: 5VIS4QO5QGERJQY4 · pith_short_8: 5VIS4QO5

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/5VIS4QO5QGERJQY4DBIFVLGCM2 \
  | 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: ed512e41dd818914c31c18505aacc266a280d6eddbf2d23a08183f64ade59cfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674876425bd11af5690411797631b82daa6191d9ec676e57d992330737b8efd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-03-08T11:53:17Z",
    "title_canon_sha256": "04948471b9da6d5a4813ea0305466d98aa81629352a3186a286b48d915295349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03381",
    "kind": "arxiv",
    "version": 1
  }
}