Pith Number

pith:IFVOB6N3

pith:2019:IFVOB6N3DBVMFRX5Q45C3U57KE

not attested not anchored not stored refs pending

On an open problem about a class of optimal ternary cyclic codes

Dongchun Han, Haode Yan

arxiv:1901.08230 v1 · 2019-01-24 · math.CO · cs.IT · math.IT · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFVOB6N3DBVMFRX5Q45C3U57KE}

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	2026-05-17T23:55:37.598481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416ae0f9bb186ac2c6fd873a2dd3bf5135a1813f64d0ebb263b5ba3d1b93e41a

Aliases

arxiv: 1901.08230 · arxiv_version: 1901.08230v1 · doi: 10.48550/arxiv.1901.08230 · pith_short_12: IFVOB6N3DBVM · pith_short_16: IFVOB6N3DBVMFRX5 · pith_short_8: IFVOB6N3

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/IFVOB6N3DBVMFRX5Q45C3U57KE \
  | 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: 416ae0f9bb186ac2c6fd873a2dd3bf5135a1813f64d0ebb263b5ba3d1b93e41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6567a785827e18745e95d10f0c9a9354e4dd314636c6246690837ad4e0d99339",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-24T04:32:07Z",
    "title_canon_sha256": "7af6a33942e214b61f6f47cca8c1750d9f35d15a4aeb7d2cfa724afc1b76ac5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08230",
    "kind": "arxiv",
    "version": 1
  }
}