Pith Number

pith:QZHKCOVQ

pith:2013:QZHKCOVQZDYD4Q4EM2RFSRHA5X

not attested not anchored not stored refs pending

The intersection spectrum of Skolem sequences and its applications to lambda fold cyclic triple systems, together with the Supplement

Daniela Silvesan, Nabil Shalaby

arxiv:1303.3421 v2 · 2013-03-14 · 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{QZHKCOVQZDYD4Q4EM2RFSRHA5X}

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	2026-05-18T03:30:53.115829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864ea13ab0c8f03e438466a25944e0edd582796fa341e2efab9034eee884296b

Aliases

arxiv: 1303.3421 · arxiv_version: 1303.3421v2 · doi: 10.48550/arxiv.1303.3421 · pith_short_12: QZHKCOVQZDYD · pith_short_16: QZHKCOVQZDYD4Q4E · pith_short_8: QZHKCOVQ

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/QZHKCOVQZDYD4Q4EM2RFSRHA5X \
  | 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: 864ea13ab0c8f03e438466a25944e0edd582796fa341e2efab9034eee884296b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ffaec53c7b91ee465ee34757ef03b0f0724c8fea1d3387ace17c906cfd475f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-03-14T12:06:13Z",
    "title_canon_sha256": "4f839ee40651d343c2b235f0b62b95fdb0bc2294d31be412c98e9dbb861e9267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3421",
    "kind": "arxiv",
    "version": 2
  }
}