Pith Number

pith:XSXJIOKV

pith:2017:XSXJIOKVTFWEMG37PU5G2IWCYE

not attested not anchored not stored refs pending

Construction and Encoding of QC-LDPC Codes Using Group Rings

Dariush Kiani, Hassan Khodaiemehr

arxiv:1701.00210 v1 · 2017-01-01 · 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{XSXJIOKVTFWEMG37PU5G2IWCYE}

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	2026-05-18T00:53:36.075188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcae943955996c461b7f7d3a6d22c2c134e817704ce457280dc07975a03fb187

Aliases

arxiv: 1701.00210 · arxiv_version: 1701.00210v1 · doi: 10.48550/arxiv.1701.00210 · pith_short_12: XSXJIOKVTFWE · pith_short_16: XSXJIOKVTFWEMG37 · pith_short_8: XSXJIOKV

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/XSXJIOKVTFWEMG37PU5G2IWCYE \
  | 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: bcae943955996c461b7f7d3a6d22c2c134e817704ce457280dc07975a03fb187

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "041ecc4024f637840932a7f7c35924b3b82505392af4efb2abe2629d6fcc7b52",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-01T06:01:29Z",
    "title_canon_sha256": "902b5354c66506433e1786534dea15e6aecad0faaaccd8184e7feb63b8980edc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00210",
    "kind": "arxiv",
    "version": 1
  }
}