Pith Number

pith:5ZHGXHWA

pith:2017:5ZHGXHWARD3D726CEYL5R2NEXR

not attested not anchored not stored refs pending

On squares of cyclic codes

Ignacio Cascudo

arxiv:1703.01267 v3 · 2017-03-03 · 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{5ZHGXHWARD3D726CEYL5R2NEXR}

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	2026-05-18T00:05:56.767008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee4e6b9ec088f63febc22617d8e9a4bc738adcbd981de9fc2121b9368aaab721

Aliases

arxiv: 1703.01267 · arxiv_version: 1703.01267v3 · doi: 10.48550/arxiv.1703.01267 · pith_short_12: 5ZHGXHWARD3D · pith_short_16: 5ZHGXHWARD3D726C · pith_short_8: 5ZHGXHWA

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/5ZHGXHWARD3D726CEYL5R2NEXR \
  | 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: ee4e6b9ec088f63febc22617d8e9a4bc738adcbd981de9fc2121b9368aaab721

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662b3754fbbe3edbe849ebc09af942236c6da21281311511f54d902af4965660",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-03T17:50:04Z",
    "title_canon_sha256": "f725b54157a8ab343506180a8b9fb9831035859eb21fa576767831e42887982c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01267",
    "kind": "arxiv",
    "version": 3
  }
}