Pith Number

pith:G2J5XJUB

pith:2011:G2J5XJUBJIYQKWHSRJ5PRTAQGR

not attested not anchored not stored refs pending

Searching for Voltage Graph-Based LDPC Tailbiting Codes with Large Girth

Boris D. Kudryashov, Florian Hug, Irina E. Bocharova, Rolf Johannesson, Roman V. Satyukov

arxiv:1108.0840 v1 · 2011-08-03 · 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{G2J5XJUBJIYQKWHSRJ5PRTAQGR}

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	2026-05-18T04:08:13.363015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3693dba6814a310558f28a7af8cc10346a327fe4e422012a2af65068dba66c56

Aliases

arxiv: 1108.0840 · arxiv_version: 1108.0840v1 · doi: 10.48550/arxiv.1108.0840 · pith_short_12: G2J5XJUBJIYQ · pith_short_16: G2J5XJUBJIYQKWHS · pith_short_8: G2J5XJUB

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/G2J5XJUBJIYQKWHSRJ5PRTAQGR \
  | 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: 3693dba6814a310558f28a7af8cc10346a327fe4e422012a2af65068dba66c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e74548fd4470361ac6284a3f5589ef25618dfcf0c470b018e8e19aade1c8637a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-03T13:22:03Z",
    "title_canon_sha256": "a60595a5f4307f28868aa2c5b6751ee63ced514ff9f65f4f41f60d2d4f24ae48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0840",
    "kind": "arxiv",
    "version": 1
  }
}