Pith Number

pith:QNJRZKYA

pith:2010:QNJRZKYAXJD53S7LFLZDOZEPV4

not attested not anchored not stored refs pending

A New Framework for Join Product Skew

Dora Souliou, Foto Afrati, Paraskevas V. Lekeas, Victor Kyritsis

arxiv:1005.5732 v2 · 2010-05-31 · 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{QNJRZKYAXJD53S7LFLZDOZEPV4}

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	2026-05-18T04:03:29.811660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83531cab00ba47ddcbeb2af237648faf3de9984d39325f47242c2afa7f32aeb3

Aliases

arxiv: 1005.5732 · arxiv_version: 1005.5732v2 · doi: 10.48550/arxiv.1005.5732 · pith_short_12: QNJRZKYAXJD5 · pith_short_16: QNJRZKYAXJD53S7L · pith_short_8: QNJRZKYA

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/QNJRZKYAXJD53S7LFLZDOZEPV4 \
  | 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: 83531cab00ba47ddcbeb2af237648faf3de9984d39325f47242c2afa7f32aeb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b74c108c6f1131e2581838b809d542a857f4a636f4b44b4cf7d8876eeb1e38e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2010-05-31T19:40:01Z",
    "title_canon_sha256": "39165a859af425f2f3ac67a2c2b74b223a0fd9f1223ec1d587bd12def036ba39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5732",
    "kind": "arxiv",
    "version": 2
  }
}