Pith Number

pith:L3A7UU5E

pith:2017:L3A7UU5E4R6UVWKNG6UK7NRHJB

not attested not anchored not stored refs pending

On Path Memory in List Successive Cancellation Decoder of Polar Codes

ChenYang Xia, Chi-Ying Tsui, Ji Chen, YouZhe Fan

arxiv:1712.02053 v2 · 2017-12-06 · cs.IT · cs.AR · 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{L3A7UU5E4R6UVWKNG6UK7NRHJB}

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	2026-05-18T00:16:21.421126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ec1fa53a4e47d4ad94d37a8afb62748669f570e9f140f58142bcd1be42a765d

Aliases

arxiv: 1712.02053 · arxiv_version: 1712.02053v2 · doi: 10.48550/arxiv.1712.02053 · pith_short_12: L3A7UU5E4R6U · pith_short_16: L3A7UU5E4R6UVWKN · pith_short_8: L3A7UU5E

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/L3A7UU5E4R6UVWKNG6UK7NRHJB \
  | 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: 5ec1fa53a4e47d4ad94d37a8afb62748669f570e9f140f58142bcd1be42a765d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af72ab004044b7c8f82a19a2f254bc658f317b5f6feda597120da83d43f3b386",
    "cross_cats_sorted": [
      "cs.AR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-06T06:18:30Z",
    "title_canon_sha256": "7ffc75e6fefdd93ab24320eaaf9d47c35161d02c14383cc496c50034086c1f76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02053",
    "kind": "arxiv",
    "version": 2
  }
}