Pith Number

pith:NBJ2I7DI

pith:2013:NBJ2I7DIOPLTN24UJGNKVYJLED

not attested not anchored not stored refs pending

Performance of Spatially-Coupled LDPC Codes and Threshold Saturation over BICM Channels

Arvind Yedla, Inyup Kang, Jungwon Lee, Mostafa El-Khamy

arxiv:1303.0296 v1 · 2013-03-01 · 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{NBJ2I7DIOPLTN24UJGNKVYJLED}

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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	2026-05-18T03:31:56.553368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6853a47c6873d736eb94499aaae12b20e3b4d7a83e5974037c82d161822220f0

Aliases

arxiv: 1303.0296 · arxiv_version: 1303.0296v1 · doi: 10.48550/arxiv.1303.0296 · pith_short_12: NBJ2I7DIOPLT · pith_short_16: NBJ2I7DIOPLTN24U · pith_short_8: NBJ2I7DI

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/NBJ2I7DIOPLTN24UJGNKVYJLED \
  | 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: 6853a47c6873d736eb94499aaae12b20e3b4d7a83e5974037c82d161822220f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "285b162e048b996d87d1904c15817095850154e156b42aa9c980c6f7d5e739dd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-01T21:06:07Z",
    "title_canon_sha256": "d451c9542e06468b4939b3f7a1457bf5031222ef965bee22b0c955066a0dc1ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0296",
    "kind": "arxiv",
    "version": 1
  }
}