Pith Number

pith:UPOST5LE

pith:2017:UPOST5LERZC7EEGL4OKOSPFKXT

not attested not anchored not stored refs pending

Generator polynomials and generator matrix for quasi cyclic codes

Zahra Sepasdar

arxiv:1704.08815 v1 · 2017-04-28 · 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{UPOST5LERZC7EEGL4OKOSPFKXT}

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	2026-05-18T00:45:25.217367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3dd29f5648e45f210cbe394e93caabcdaf938a58b098692e53c52ed2e7208a4

Aliases

arxiv: 1704.08815 · arxiv_version: 1704.08815v1 · doi: 10.48550/arxiv.1704.08815 · pith_short_12: UPOST5LERZC7 · pith_short_16: UPOST5LERZC7EEGL · pith_short_8: UPOST5LE

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/UPOST5LERZC7EEGL4OKOSPFKXT \
  | 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: a3dd29f5648e45f210cbe394e93caabcdaf938a58b098692e53c52ed2e7208a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9888d496d5266a4b0a55b6fd650b78f0e6ab65c639a617f07cdb57b9e53f1082",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-28T05:56:01Z",
    "title_canon_sha256": "fa2e2a3062d6ab4d645170684ddb5c2b2d2a7114a110790d5515339627904dfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08815",
    "kind": "arxiv",
    "version": 1
  }
}