Pith Number

pith:YNCHTITQ

pith:2017:YNCHTITQZ5KKQPQCLGAV63CZ4Y

not attested not anchored not stored refs pending

Rate $(n-1)/n$ Systematic MDS Convolutional Codes over $GF(2^m)$

\'Angela Barbero, {\O}yvind Ytrehus

arxiv:1705.10091 v1 · 2017-05-29 · 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{YNCHTITQZ5KKQPQCLGAV63CZ4Y}

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	2026-05-18T00:43:31.977110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c34479a270cf54a83e0259815f6c59e62ef4fd3468e4cff502e446bb3848cbeb

Aliases

arxiv: 1705.10091 · arxiv_version: 1705.10091v1 · doi: 10.48550/arxiv.1705.10091 · pith_short_12: YNCHTITQZ5KK · pith_short_16: YNCHTITQZ5KKQPQC · pith_short_8: YNCHTITQ

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/YNCHTITQZ5KKQPQCLGAV63CZ4Y \
  | 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: c34479a270cf54a83e0259815f6c59e62ef4fd3468e4cff502e446bb3848cbeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad804721f77d26354b9ed455be78d15268df7930a0a004addbaae2e691999762",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-29T09:41:36Z",
    "title_canon_sha256": "a847690b2d737b1339708cae57cc5604d447cce54da252c1668911098dab2aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10091",
    "kind": "arxiv",
    "version": 1
  }
}