Pith Number

pith:KGSIVF5U

pith:2016:KGSIVF5UNWKOGSRJZ7EYP2WNCU

not attested not anchored not stored refs pending

A Joint Optimization Technique for Multi-Edge Type LDPC Codes

Lawrence Ong, Mahyar Shirvanimoghaddam, Sachini Jayasooriya, Sarah J. Johnson

arxiv:1605.04664 v1 · 2016-05-16 · 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{KGSIVF5UNWKOGSRJZ7EYP2WNCU}

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	2026-05-18T01:14:46.590641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51a48a97b46d94e34a29cfc987eacd152e4f3708d11358129ff68611a3da003b

Aliases

arxiv: 1605.04664 · arxiv_version: 1605.04664v1 · doi: 10.48550/arxiv.1605.04664 · pith_short_12: KGSIVF5UNWKO · pith_short_16: KGSIVF5UNWKOGSRJ · pith_short_8: KGSIVF5U

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/KGSIVF5UNWKOGSRJZ7EYP2WNCU \
  | 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: 51a48a97b46d94e34a29cfc987eacd152e4f3708d11358129ff68611a3da003b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fca0388820206786ab36cbbe7f1d1ac044107e946d4ee32588747937e3b1511",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-16T06:48:45Z",
    "title_canon_sha256": "4e4339218aa9e651c9d5a390e4248e9f4632629510af7d5259708b31f600d186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04664",
    "kind": "arxiv",
    "version": 1
  }
}