Pith Number

pith:2SKEO7QO

pith:2017:2SKEO7QOALSZKJZPOAKUQ7WGMC

not attested not anchored not stored refs pending

A Correlation-Breaking Interleaving of Polar Codes in Concatenated Systems

Chuan Zhang, Liping Li, Ya Meng

arxiv:1702.05202 v2 · 2017-02-17 · 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{2SKEO7QOALSZKJZPOAKUQ7WGMC}

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	2026-05-17T23:57:21.845619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d494477e0e02e595272f7015487ec66081ef74c1fe157139a0551b5abf6c708e

Aliases

arxiv: 1702.05202 · arxiv_version: 1702.05202v2 · doi: 10.48550/arxiv.1702.05202 · pith_short_12: 2SKEO7QOALSZ · pith_short_16: 2SKEO7QOALSZKJZP · pith_short_8: 2SKEO7QO

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/2SKEO7QOALSZKJZPOAKUQ7WGMC \
  | 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: d494477e0e02e595272f7015487ec66081ef74c1fe157139a0551b5abf6c708e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad8957ca882aa7d847270406dd6c541736c2ccf2f6acd4b59cba1d14e7095221",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-17T01:18:25Z",
    "title_canon_sha256": "f3d664a1ae811070e57f59add03ab7f0b07801ef570e18b0b819326b25e233c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05202",
    "kind": "arxiv",
    "version": 2
  }
}