Pith Number

pith:XTOG3WKQ

pith:2019:XTOG3WKQLU4ORQ6SGL3WDSGTQW

not attested not anchored not stored refs pending

Joins on Samples: A Theoretical Guide for Practitioners

Barzan Mozafari, Dawei Huang, Dong Young Yoon, Seth Pettie

arxiv:1912.03443 v4 · 2019-12-07 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTOG3WKQLU4ORQ6SGL3WDSGTQW}

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	2026-07-05T00:35:53.950468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcdc6dd9505d38e8c3d232f761c8d3858c71f53b5dca0f75735cd43b505d7a94

Aliases

arxiv: 1912.03443 · arxiv_version: 1912.03443v4 · doi: 10.48550/arxiv.1912.03443 · pith_short_12: XTOG3WKQLU4O · pith_short_16: XTOG3WKQLU4ORQ6S · pith_short_8: XTOG3WKQ

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/XTOG3WKQLU4ORQ6SGL3WDSGTQW \
  | 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: bcdc6dd9505d38e8c3d232f761c8d3858c71f53b5dca0f75735cd43b505d7a94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58051f03f7d606bc3f55bc2ec0d987ebb5e0889b14e25d51354da5ea95273ff2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-12-07T05:20:43Z",
    "title_canon_sha256": "a5c965ae3889b13ac377ac238fcd3d09ef4430059486ff77315077865fc82a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03443",
    "kind": "arxiv",
    "version": 4
  }
}