Pith Number

pith:OMMPGK2A

pith:2019:OMMPGK2APT3EPKOSD2RKCEOOH2

not attested not anchored not stored refs pending

Infinite families of $2$-designs from two classes of binary cyclic codes with three nonzeros

Chunming Tang, Qi Wang, Rong Wang, Xiaoni Du

arxiv:1903.08153 v1 · 2019-03-19 · 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{OMMPGK2APT3EPKOSD2RKCEOOH2}

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.

Cited by

1 paper in Pith

Combinatorial t-designs from quadratic functions

Receipt and verification

First computed	2026-05-17T23:50:50.281559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7318f32b407cf647a9d21ea2a111ce3e9925e17cb8fc70a17514d48fee7867dc

Aliases

arxiv: 1903.08153 · arxiv_version: 1903.08153v1 · doi: 10.48550/arxiv.1903.08153 · pith_short_12: OMMPGK2APT3E · pith_short_16: OMMPGK2APT3EPKOS · pith_short_8: OMMPGK2A

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/OMMPGK2APT3EPKOSD2RKCEOOH2 \
  | 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: 7318f32b407cf647a9d21ea2a111ce3e9925e17cb8fc70a17514d48fee7867dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f035a5afee2da5b5844ca56a13bb0d763acb3ed7424530a67fabdf7afa74e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-19T04:30:21Z",
    "title_canon_sha256": "b79a288795afc7633a6e28c64ac7c19f0ddbc52ce6d6411779a865fe6a5c0b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08153",
    "kind": "arxiv",
    "version": 1
  }
}