Pith Number

pith:M536PUFT

pith:2017:M536PUFTYWAD4PXB5Y44INCZ4F

not attested not anchored not stored refs pending

Matrix-product structure of repeated-root constacyclic codes over finite fields

Fang-Wei Fu, Yonglin Cao, Yuan Cao

arxiv:1705.08819 v2 · 2017-05-24 · 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{M536PUFTYWAD4PXB5Y44INCZ4F}

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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	2026-05-18T00:36:31.490050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6777e7d0b3c5803e3ee1ee39c43459e17914ac766b1f095be4908bdf9a2c59c7

Aliases

arxiv: 1705.08819 · arxiv_version: 1705.08819v2 · doi: 10.48550/arxiv.1705.08819 · pith_short_12: M536PUFTYWAD · pith_short_16: M536PUFTYWAD4PXB · pith_short_8: M536PUFT

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/M536PUFTYWAD4PXB5Y44INCZ4F \
  | 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: 6777e7d0b3c5803e3ee1ee39c43459e17914ac766b1f095be4908bdf9a2c59c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5eb97fccded83c7bce9a2eb4b6ee05a57f1a05023600f65c98dd935ac0b8470",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-24T15:33:01Z",
    "title_canon_sha256": "327ebf59c51d086f6d074d2996cc7fbd6f4ee28ddd01f489a515fb32bd684d93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08819",
    "kind": "arxiv",
    "version": 2
  }
}