Pith Number

pith:OPSS7L5H

pith:2014:OPSS7L5HFX7AESPVUUBFKNDJOD

not attested not anchored not stored refs pending

Similarity Group-by Operators for Multi-dimensional Relational Data

Mikhail J. Atallah, Mingjie Tang, Mourad Ouzzani, Qutaibah M. Malluhi, Ruby Y.Tahboub, Walid G.Are, Yasin N. Silva

arxiv:1412.4842 v1 · 2014-12-16 · 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{OPSS7L5HFX7AESPVUUBFKNDJOD}

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	2026-05-18T02:31:10.351117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73e52fafa72dfe0249f5a50255346970cffa8c69f5699f83363b91acb046a4eb

Aliases

arxiv: 1412.4842 · arxiv_version: 1412.4842v1 · doi: 10.48550/arxiv.1412.4842 · pith_short_12: OPSS7L5HFX7A · pith_short_16: OPSS7L5HFX7AESPV · pith_short_8: OPSS7L5H

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/OPSS7L5HFX7AESPVUUBFKNDJOD \
  | 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: 73e52fafa72dfe0249f5a50255346970cffa8c69f5699f83363b91acb046a4eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbdbc3fa635fd0357d1a17a58877eaaf622f1c9ec70d37c1c2ae981d9caab6a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-12-16T00:27:52Z",
    "title_canon_sha256": "850c32a05166cef8edf8992d4865380d066e6a661e58a48befe6d7d80b838967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4842",
    "kind": "arxiv",
    "version": 1
  }
}