Pith Number

pith:LRMP7VX4

pith:2017:LRMP7VX4475RCOQZVIVK7YMAEZ

not attested not anchored not stored refs pending

An infinite family of Steiner systems $S(2, 4, 2^m)$ from cyclic codes

Cunsheng Ding

arxiv:1701.05965 v1 · 2017-01-21 · cs.IT · math.CO · 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{LRMP7VX4475RCOQZVIVK7YMAEZ}

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	2026-05-18T00:43:18.013342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c58ffd6fce7fb113a19aa2aafe18026487503a7f1df29a4d96855ce35f51c06

Aliases

arxiv: 1701.05965 · arxiv_version: 1701.05965v1 · doi: 10.48550/arxiv.1701.05965 · pith_short_12: LRMP7VX4475R · pith_short_16: LRMP7VX4475RCOQZ · pith_short_8: LRMP7VX4

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/LRMP7VX4475RCOQZVIVK7YMAEZ \
  | 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: 5c58ffd6fce7fb113a19aa2aafe18026487503a7f1df29a4d96855ce35f51c06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f65036705110743c33a0fe58ea925e1fdeeaed0ed6e1e7ac48ca51895331c03",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-21T01:40:57Z",
    "title_canon_sha256": "f00413d9af3a1e65c36d629850b654bef6c5710e711dbbb287544ef701d3ed90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05965",
    "kind": "arxiv",
    "version": 1
  }
}