Pith Number

pith:D34WLGPR

pith:2015:D34WLGPRXSBOOFU7KCXMMKX6LL

not attested not anchored not stored refs pending

On the Minimum Distance of Array-Based Spatially-Coupled Low-Density Parity-Check Codes

Eirik Rosnes

arxiv:1504.06416 v1 · 2015-04-24 · 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{D34WLGPRXSBOOFU7KCXMMKX6LL}

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	2026-05-18T00:58:35.739465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ef96599f1bc82e7169f50aec62afe5ae323a67b7c5843eeb7abf638c8fb3785

Aliases

arxiv: 1504.06416 · arxiv_version: 1504.06416v1 · doi: 10.48550/arxiv.1504.06416 · pith_short_12: D34WLGPRXSBO · pith_short_16: D34WLGPRXSBOOFU7 · pith_short_8: D34WLGPR

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/D34WLGPRXSBOOFU7KCXMMKX6LL \
  | 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: 1ef96599f1bc82e7169f50aec62afe5ae323a67b7c5843eeb7abf638c8fb3785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "520a16a282eb1a83b6942347ac139ff02e08565c1b9f2dd7d923f406b930f51e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-24T08:04:47Z",
    "title_canon_sha256": "fd6db682000eec25d495ba4992bdefdfb34e33fc46bd9433c348c5ce333d5be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06416",
    "kind": "arxiv",
    "version": 1
  }
}