Pith Number

pith:F3BOARAL

pith:2014:F3BOARALSV5OOHEBVIKPSSARWG

not attested not anchored not stored refs pending

Quasi Cyclic LDPC Codes Based on Finite Set Systems

Mehdi Samadieh, Mohammad Gholami

arxiv:1405.3775 v1 · 2014-05-15 · cs.IT · cs.CR · cs.DM · 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{F3BOARALSV5OOHEBVIKPSSARWG}

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	2026-05-18T02:51:49.313907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ec2e0440b957ae71c81aa14f94811b19e58845b6799758036372aa9c4cc326a

Aliases

arxiv: 1405.3775 · arxiv_version: 1405.3775v1 · doi: 10.48550/arxiv.1405.3775 · pith_short_12: F3BOARALSV5O · pith_short_16: F3BOARALSV5OOHEB · pith_short_8: F3BOARAL

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/F3BOARALSV5OOHEBVIKPSSARWG \
  | 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: 2ec2e0440b957ae71c81aa14f94811b19e58845b6799758036372aa9c4cc326a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfa940e3f50d67bb9ea21dcedff0f6edde77d788ca7b036de6e670fd91c18798",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-15T09:25:08Z",
    "title_canon_sha256": "04b280eb7fdbfdca70836ba84ed59a050f6bd72e4d976199db652ac39219825f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3775",
    "kind": "arxiv",
    "version": 1
  }
}