Pith Number

pith:VFO5DUMI

pith:2010:VFO5DUMIOBSGW55J573TRHB3EH

not attested not anchored not stored refs pending

Design and Performance of Rate-compatible Non-Binary LDPC Convolutional Codes

Hironori Uchikawa, Kenta Kasai, Kohichi Sakaniwa

arxiv:1010.0060 v2 · 2010-10-01 · 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{VFO5DUMIOBSGW55J573TRHB3EH}

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	2026-05-18T02:05:12.824663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a95dd1d18870646b77a9eff7389c3b21f507832010960c75263fabfb62724049

Aliases

arxiv: 1010.0060 · arxiv_version: 1010.0060v2 · doi: 10.48550/arxiv.1010.0060 · pith_short_12: VFO5DUMIOBSG · pith_short_16: VFO5DUMIOBSGW55J · pith_short_8: VFO5DUMI

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/VFO5DUMIOBSGW55J573TRHB3EH \
  | 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: a95dd1d18870646b77a9eff7389c3b21f507832010960c75263fabfb62724049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efec7b703bfce891dd938b67418ff341b445f7e7ddb63728d34b70d371b46bfb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-10-01T04:27:29Z",
    "title_canon_sha256": "6775b5bc73778ff416c7561ea9867981e6b34296993351ae9d03cb6588cbd1d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0060",
    "kind": "arxiv",
    "version": 2
  }
}