Pith Number

pith:WC3QZRYI

pith:2019:WC3QZRYIL3BOW5VSFWAVXSYTVH

not attested not anchored not stored refs pending

On the Existence of Perfect Splitter Sets

Kevin Zhao, Pingzhi Yuan

arxiv:1903.00118 v1 · 2019-03-01 · cs.IT · 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{WC3QZRYIL3BOW5VSFWAVXSYTVH}

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	2026-05-17T23:52:20.865698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b70cc7085ec2eb76b22d815bcb13a9e23c591d30d013ff47e8d2b6c0588683

Aliases

arxiv: 1903.00118 · arxiv_version: 1903.00118v1 · doi: 10.48550/arxiv.1903.00118 · pith_short_12: WC3QZRYIL3BO · pith_short_16: WC3QZRYIL3BOW5VS · pith_short_8: WC3QZRYI

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/WC3QZRYIL3BOW5VSFWAVXSYTVH \
  | 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: b0b70cc7085ec2eb76b22d815bcb13a9e23c591d30d013ff47e8d2b6c0588683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d0e46c93808c4415372866737a6c660770f638b5a54d77d194a850a91c94a36",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-01T01:15:16Z",
    "title_canon_sha256": "1b696359d5501c08855a7c3756531592baa3a4591e89b9f43f6cdaf3e6263313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00118",
    "kind": "arxiv",
    "version": 1
  }
}