Pith Number

pith:D6X2QRZN

pith:2025:D6X2QRZNUBQFZLE3KLMUUYSAVW

not attested not anchored not stored refs pending

Rate-Matching Deep Polar Codes via Polar Coded Extension

Geon Choi, Namyoon Lee

arxiv:2505.06867 v1 · 2025-05-11 · cs.IT · eess.SP · 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{D6X2QRZNUBQFZLE3KLMUUYSAVW}

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	2026-07-05T11:01:38.126782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fafa8472da0605cac9b52d94a6240adabae022ac4eaf565633274e57d3ad471

Aliases

arxiv: 2505.06867 · arxiv_version: 2505.06867v1 · doi: 10.48550/arxiv.2505.06867 · pith_short_12: D6X2QRZNUBQF · pith_short_16: D6X2QRZNUBQFZLE3 · pith_short_8: D6X2QRZN

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/D6X2QRZNUBQFZLE3KLMUUYSAVW \
  | 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: 1fafa8472da0605cac9b52d94a6240adabae022ac4eaf565633274e57d3ad471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad389ec1fddf58b26c51dc915e8a65659d58b41b0ed85460eaf7e50263b5a4a2",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-05-11T06:32:29Z",
    "title_canon_sha256": "6e46af2e8c88852b3498789f2c828b73ff7d9bcd2e5a8736ab30f35a6b33bf5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06867",
    "kind": "arxiv",
    "version": 1
  }
}