Pith Number

pith:IWJXDBZM

pith:2013:IWJXDBZMNUZSQ5FRCSBFK5VBJH

not attested not anchored not stored refs pending

Threshold Saturation for Nonbinary SC-LDPC Codes on the Binary Erasure Channel

Alexandre Graell i Amat, Iryna Andriyanova

arxiv:1311.2003 v4 · 2013-11-08 · 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{IWJXDBZMNUZSQ5FRCSBFK5VBJH}

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	2026-05-18T01:17:53.476310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459371872c6d332874b114825576a149d5baee2124c553a650a5e3b960af1d3e

Aliases

arxiv: 1311.2003 · arxiv_version: 1311.2003v4 · doi: 10.48550/arxiv.1311.2003 · pith_short_12: IWJXDBZMNUZS · pith_short_16: IWJXDBZMNUZSQ5FR · pith_short_8: IWJXDBZM

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/IWJXDBZMNUZSQ5FRCSBFK5VBJH \
  | 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: 459371872c6d332874b114825576a149d5baee2124c553a650a5e3b960af1d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5562e8ad4e677b148431881f4d47bc2fe42ef4edde9d018314ca7c5089175bfe",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-08T15:55:36Z",
    "title_canon_sha256": "fd0b77061f2bdc16f1cb3a5df94ee5431e734b9d0fc85e3d365a3ad5bc5fbc71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2003",
    "kind": "arxiv",
    "version": 4
  }
}