Pith Number

pith:B7WZGKH6

pith:2014:B7WZGKH6S2AZ4Q4DW3F5VXT6H6

not attested not anchored not stored refs pending

Design of Spatially Coupled LDPC Codes over GF(q) for Windowed Decoding

Daniel J. Costello, David G. M. Mitchell, Lai Wei, Thomas E. Fuja

arxiv:1411.4373 v1 · 2014-11-17 · 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{B7WZGKH6S2AZ4Q4DW3F5VXT6H6}

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	2026-05-18T02:35:45.832998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fed9328fe96819e4383b6cbdade7e3f83739c6aac3abeeb5b0c2fbd2a32f195

Aliases

arxiv: 1411.4373 · arxiv_version: 1411.4373v1 · doi: 10.48550/arxiv.1411.4373 · pith_short_12: B7WZGKH6S2AZ · pith_short_16: B7WZGKH6S2AZ4Q4D · pith_short_8: B7WZGKH6

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/B7WZGKH6S2AZ4Q4DW3F5VXT6H6 \
  | 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: 0fed9328fe96819e4383b6cbdade7e3f83739c6aac3abeeb5b0c2fbd2a32f195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c2c565b4cf331fd8dd6aaca1fe4f7a9327d9f69ab2da9061a21a8c95e082b3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-11-17T05:57:40Z",
    "title_canon_sha256": "36559ad6ccfe09ed75210c43fd33ac0186d4b9e739dbf71ef9a33b9ff884a21a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4373",
    "kind": "arxiv",
    "version": 1
  }
}