Pith Number

pith:N2DW5YFC

pith:2020:N2DW5YFCSOHTXDALVMQKVX7Y3X

not attested not anchored not stored refs pending

A Near-Optimal Parallel Algorithm for Joining Binary Relations

Bas Ketsman, Dan Suciu, Yufei Tao

arxiv:2011.14482 v4 · 2020-11-30 · 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{N2DW5YFCSOHTXDALVMQKVX7Y3X}

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	2026-07-05T06:23:31.490904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e876ee0a2938f3b8c0bab20aadff8ddf636dd411bbf3a2a7fb266e4023185a4

Aliases

arxiv: 2011.14482 · arxiv_version: 2011.14482v4 · doi: 10.48550/arxiv.2011.14482 · pith_short_12: N2DW5YFCSOHT · pith_short_16: N2DW5YFCSOHTXDAL · pith_short_8: N2DW5YFC

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/N2DW5YFCSOHTXDALVMQKVX7Y3X \
  | 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: 6e876ee0a2938f3b8c0bab20aadff8ddf636dd411bbf3a2a7fb266e4023185a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6262f9136fb426ee80ec2d39e348d5d733ce45560a38b3c9379f58ea0a86479",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-11-30T00:48:35Z",
    "title_canon_sha256": "0e508c049d5f7975961b44a27ea74a3cc2b0d97f4fb50f746ba77c9e99a652c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.14482",
    "kind": "arxiv",
    "version": 4
  }
}