Pith Number

pith:2D6DRR6S

pith:2018:2D6DRR6SOLCZVKBNPHFO753K7I

not attested not anchored not stored refs pending

Optimal $2$-D $(n\times m,3,2,1)$-optical orthogonal codes and related equi-difference conflict avoiding codes

Lidong Wang, Tao Feng, Xiaomiao Wang

arxiv:1804.04467 v1 · 2018-04-12 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2D6DRR6SOLCZVKBNPHFO753K7I}

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	2026-05-18T00:18:37.469112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0fc38c7d272c59aa82d79caeff76afa170a1de1102108e2f2345d7c06ba40c3

Aliases

arxiv: 1804.04467 · arxiv_version: 1804.04467v1 · doi: 10.48550/arxiv.1804.04467 · pith_short_12: 2D6DRR6SOLCZ · pith_short_16: 2D6DRR6SOLCZVKBN · pith_short_8: 2D6DRR6S

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/2D6DRR6SOLCZVKBNPHFO753K7I \
  | 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: d0fc38c7d272c59aa82d79caeff76afa170a1de1102108e2f2345d7c06ba40c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b310edc2fc86c8c3b0f0f80284f2b76549a5a88ddcb4132b9221953b00bf79c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-12T12:31:47Z",
    "title_canon_sha256": "56db618091580992c2a1d9b67eaaaea20278c5fd743a29cc13a83038a32ed4c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04467",
    "kind": "arxiv",
    "version": 1
  }
}