Pith Number

pith:6YQDPEDN

pith:2017:6YQDPEDNPA3K2GM3FOAWTA24YU

not attested not anchored not stored refs pending

Scattered EXIT Charts for Finite Length LDPC Code Design

Ahmed Elkelesh, Moustafa Ebada, Sebastian Cammerer, Stephan ten Brink

arxiv:1706.09239 v6 · 2017-06-28 · 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{6YQDPEDNPA3K2GM3FOAWTA24YU}

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	2026-05-18T00:19:08.841042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62037906d7836ad199b2b8169835cc51b48b9295f72fbcc92c9d6dc7e3b0f2e

Aliases

arxiv: 1706.09239 · arxiv_version: 1706.09239v6 · doi: 10.48550/arxiv.1706.09239 · pith_short_12: 6YQDPEDNPA3K · pith_short_16: 6YQDPEDNPA3K2GM3 · pith_short_8: 6YQDPEDN

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/6YQDPEDNPA3K2GM3FOAWTA24YU \
  | 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: f62037906d7836ad199b2b8169835cc51b48b9295f72fbcc92c9d6dc7e3b0f2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb66aa936836b02896c33e19a7b5b15e688fcd5f0d19f9d8cf8fb46d8477cc58",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-28T12:14:37Z",
    "title_canon_sha256": "e322e8abcec789c4377427b92967ba53e298865e0ccb9be4d354a5198d81e3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09239",
    "kind": "arxiv",
    "version": 6
  }
}