Pith Number

pith:QUWCRDUD

pith:2017:QUWCRDUDM64BUSYH7CTAPNCXWM

not attested not anchored not stored refs pending

Mitigating Clipping Effects on Error Floors under Belief Propagation Decoding of Polar Codes

Ahmed Elkelesh, Moustafa Ebada, Sebastian Cammerer, Stephan ten Brink

arxiv:1711.05572 v3 · 2017-11-15 · 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{QUWCRDUDM64BUSYH7CTAPNCXWM}

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	2026-05-18T00:29:24.213851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

852c288e8367b81a4b07f8a607b457b3123f6cf4529339cb000786d0b146b8eb

Aliases

arxiv: 1711.05572 · arxiv_version: 1711.05572v3 · doi: 10.48550/arxiv.1711.05572 · pith_short_12: QUWCRDUDM64B · pith_short_16: QUWCRDUDM64BUSYH · pith_short_8: QUWCRDUD

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/QUWCRDUDM64BUSYH7CTAPNCXWM \
  | 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: 852c288e8367b81a4b07f8a607b457b3123f6cf4529339cb000786d0b146b8eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7e6fad31ee158205569090f03f8b18381f80ef979304740fea7cb0f626dac26",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-15T14:01:05Z",
    "title_canon_sha256": "5a342d37deb3143719696473b2d7c7f690b4d92300037bd9d0fe8abb45df8bf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05572",
    "kind": "arxiv",
    "version": 3
  }
}