Pith Number

pith:NSX4DPBW

pith:2013:NSX4DPBWGFG2J4HKOOLYKVME2O

not attested not anchored not stored refs pending

A 2.0 Gb/s Throughput Decoder for QC-LDPC Convolutional Codes

Chiu-Wing Sham, Francis C.M. Lau, Wai M. Tam, Xu Chen, Yue Zhao

arxiv:1305.0185 v1 · 2013-05-01 · cs.IT · cs.AR · 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{NSX4DPBWGFG2J4HKOOLYKVME2O}

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	2026-05-18T00:58:17.290574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cafc1bc36314da4f0ea7397855584d399d98608f09945a44e50763c2bf6e54d

Aliases

arxiv: 1305.0185 · arxiv_version: 1305.0185v1 · doi: 10.48550/arxiv.1305.0185 · pith_short_12: NSX4DPBWGFG2 · pith_short_16: NSX4DPBWGFG2J4HK · pith_short_8: NSX4DPBW

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/NSX4DPBWGFG2J4HKOOLYKVME2O \
  | 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: 6cafc1bc36314da4f0ea7397855584d399d98608f09945a44e50763c2bf6e54d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16907422f2c0589a0bca59fae29cdf95f607eb069d36d8773492d30c466cf62c",
    "cross_cats_sorted": [
      "cs.AR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-01T14:40:30Z",
    "title_canon_sha256": "dcf9d3150d8283218bc672ae20c4da4359ba8770ffdc53423480c64c436319c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0185",
    "kind": "arxiv",
    "version": 1
  }
}