Pith Number

pith:J5U4SKZM

pith:2010:J5U4SKZMLOBZBHEC27COGJ3FT4

not attested not anchored not stored refs pending

Performance Analysis and Design of Two Edge Type LDPC Codes for the BEC Wiretap Channel

Joerg Kliewer, Mattias Andersson, Mikael Skoglund, Ragnar Thobaben, Vishwambhar Rathi

arxiv:1009.4610 v2 · 2010-09-23 · 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{J5U4SKZMLOBZBHEC27COGJ3FT4}

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	2026-05-18T00:58:19.352121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f69c92b2c5b83909c82d7c4e327659f11d36dc57b09d9ab8ae1d4d92f830964

Aliases

arxiv: 1009.4610 · arxiv_version: 1009.4610v2 · doi: 10.48550/arxiv.1009.4610 · pith_short_12: J5U4SKZMLOBZ · pith_short_16: J5U4SKZMLOBZBHEC · pith_short_8: J5U4SKZM

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/J5U4SKZMLOBZBHEC27COGJ3FT4 \
  | 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: 4f69c92b2c5b83909c82d7c4e327659f11d36dc57b09d9ab8ae1d4d92f830964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c2b35f15537fa7f28896964b08a9309c070027cd005721b59abab14fdde9f8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-23T13:29:46Z",
    "title_canon_sha256": "fbfe2e16483a94479e4628a7c44822b82034594274e0b0275efc4cb3b9476be4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4610",
    "kind": "arxiv",
    "version": 2
  }
}