Pith Number

pith:5Y2IQIVX

pith:2013:5Y2IQIVX7V6DKEM2XTIBFWJFAB

not attested not anchored not stored refs pending

On the Minimum Distance of Generalized Spatially Coupled LDPC Codes

Daniel J. Costello Jr, David G. M. Mitchell, Michael Lentmaier

arxiv:1303.1858 v1 · 2013-03-08 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Y2IQIVX7V6DKEM2XTIBFWJFAB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:57:56.513249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee348822b7fd7c35119abcd012d925004568f01766fba74f43604c8f3f336a8e

Aliases

arxiv: 1303.1858 · arxiv_version: 1303.1858v1 · doi: 10.48550/arxiv.1303.1858 · pith_short_12: 5Y2IQIVX7V6D · pith_short_16: 5Y2IQIVX7V6DKEM2 · pith_short_8: 5Y2IQIVX

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/5Y2IQIVX7V6DKEM2XTIBFWJFAB \
  | 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: ee348822b7fd7c35119abcd012d925004568f01766fba74f43604c8f3f336a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2799957c5ea63cb60c4aec28fe5e35a0d9a9682267b8c7631b1ad0ff7adca10",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-08T00:00:28Z",
    "title_canon_sha256": "71790b595207d39f33e3f4cedb074c0bd247b6231d21725a684d8b55e966e6ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1858",
    "kind": "arxiv",
    "version": 1
  }
}