Pith Number

pith:S4EBYXQP

pith:2018:S4EBYXQPJB7XE3GJZJG56IYS2P

not attested not anchored not stored refs pending

On the Decoding of Polar Codes on Permuted Factor Graphs

Marco Mondelli, Nghia Doan, Seyyed Ali Hashemi, Warren J. Gross

arxiv:1806.11195 v1 · 2018-06-28 · 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{S4EBYXQPJB7XE3GJZJG56IYS2P}

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	2026-05-18T00:12:03.313990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97081c5e0f487f726cc9ca4ddf2312d3ded8febfc626a4ce3c1557fad39d4ac9

Aliases

arxiv: 1806.11195 · arxiv_version: 1806.11195v1 · doi: 10.48550/arxiv.1806.11195 · pith_short_12: S4EBYXQPJB7X · pith_short_16: S4EBYXQPJB7XE3GJ · pith_short_8: S4EBYXQP

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/S4EBYXQPJB7XE3GJZJG56IYS2P \
  | 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: 97081c5e0f487f726cc9ca4ddf2312d3ded8febfc626a4ce3c1557fad39d4ac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8138873d27f0a464dc37f0f7c82260923500decdfb3630f59040db7df7e7b9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-28T21:12:57Z",
    "title_canon_sha256": "7f224d3efc0d01fa42aaea1b2ff67f6d92f081d639fe2265b079c99e924eed37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11195",
    "kind": "arxiv",
    "version": 1
  }
}