Pith Number

pith:NUFDW6GK

pith:2017:NUFDW6GKVB7JEPLE35EOFKV7Q3

not attested not anchored not stored refs pending

An Incremental Redundancy HARQ Scheme for Polar Code

JieXiong, Liang Ma, Yuejun Wei

arxiv:1708.09679 v1 · 2017-08-31 · 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{NUFDW6GKVB7JEPLE35EOFKV7Q3}

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.

Cited by

1 paper in Pith

Capacity-Achieving BBT Polar Codes with Interleaver-Assisted BP Decoding

Receipt and verification

First computed	2026-05-18T00:36:15.759668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d0a3b78caa87e923d64df48e2aabf86fca3930544c1c2b63f61f0a027fdd07d

Aliases

arxiv: 1708.09679 · arxiv_version: 1708.09679v1 · doi: 10.48550/arxiv.1708.09679 · pith_short_12: NUFDW6GKVB7J · pith_short_16: NUFDW6GKVB7JEPLE · pith_short_8: NUFDW6GK

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/NUFDW6GKVB7JEPLE35EOFKV7Q3 \
  | 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: 6d0a3b78caa87e923d64df48e2aabf86fca3930544c1c2b63f61f0a027fdd07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37c94ed82ac878081ebd7fc3ee0507fd2af734e0fa7b0fffac1cb7007e647230",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-08-31T12:22:16Z",
    "title_canon_sha256": "68112365640116a516a6594d7a5e942cbc04d882d0aa79cfeab4ea58c8e93620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09679",
    "kind": "arxiv",
    "version": 1
  }
}