Pith Number

pith:5BS3EIA5

pith:2025:5BS3EIA5SE36RPBYK5HNTIW4HN

not attested not anchored not stored refs pending

Constructions of Covering Sequences and Arrays

Hoang Ta, Tuvi Etzion, Van Khu Vu, Yeow Meng Chee

arxiv:2502.08424 v2 · 2025-02-12 · 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{5BS3EIA5SE36RPBYK5HNTIW4HN}

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	2026-07-05T11:37:15.954358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e865b2201d9137e8bc38574ed9a2dc3b74bf423c9883705308c6e9806c9aba43

Aliases

arxiv: 2502.08424 · arxiv_version: 2502.08424v2 · doi: 10.48550/arxiv.2502.08424 · pith_short_12: 5BS3EIA5SE36 · pith_short_16: 5BS3EIA5SE36RPBY · pith_short_8: 5BS3EIA5

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/5BS3EIA5SE36RPBYK5HNTIW4HN \
  | 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: e865b2201d9137e8bc38574ed9a2dc3b74bf423c9883705308c6e9806c9aba43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "260aa9e9f37858816d3949d49e1466a4df5935cbed97d5a45dd9460c6fa48b9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-02-12T14:07:18Z",
    "title_canon_sha256": "8f6b6e3eb44cfadb217ec612e8f89c7b4472aa322a386f07e9d33714d0c2b3bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08424",
    "kind": "arxiv",
    "version": 2
  }
}