Pith Number

pith:2KXSRUEW

pith:2018:2KXSRUEWLDRFATKYV5IRPT47PM

not attested not anchored not stored refs pending

ARUM: Polar Coded HARQ Scheme based on Incremental Channel Polarization

Changlong Xu, Hao Xu, Jian Li, Jing Jiang, Kai Chen, Liangming Wu

arxiv:1805.06597 v1 · 2018-05-17 · 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{2KXSRUEWLDRFATKYV5IRPT47PM}

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	2026-05-18T00:15:43.940707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2af28d09658e2504d58af5117cf9f7b28d8fc1cf97e6c15ff408e21f286375b

Aliases

arxiv: 1805.06597 · arxiv_version: 1805.06597v1 · doi: 10.48550/arxiv.1805.06597 · pith_short_12: 2KXSRUEWLDRF · pith_short_16: 2KXSRUEWLDRFATKY · pith_short_8: 2KXSRUEW

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/2KXSRUEWLDRFATKYV5IRPT47PM \
  | 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: d2af28d09658e2504d58af5117cf9f7b28d8fc1cf97e6c15ff408e21f286375b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2e00b1a52ebd1e01712032901cb859ccc9d6e3abda81b69f7495386623db48",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-17T04:06:35Z",
    "title_canon_sha256": "97e02ae10fbce1ef0fdf2c0710aa372b95b868baf570fe216ef974abdfd6a03d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06597",
    "kind": "arxiv",
    "version": 1
  }
}