Pith Number

pith:PY2OZCOC

pith:2014:PY2OZCOCSTKNFADC7G5INP6EPR

not attested not anchored not stored refs pending

GYM: A Multiround Join Algorithm In MapReduce

Christopher R\'e, Foto Afrati, Jeffrey D. Ullman, Manas Joglekar, Semih Salihoglu

arxiv:1410.4156 v8 · 2014-10-15 · 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{PY2OZCOCSTKNFADC7G5INP6EPR}

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	2026-05-18T00:52:04.400170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e34ec89c294d4d28062f9ba86bfc47c6d7c0b747ce9da77098ec65b963105b9

Aliases

arxiv: 1410.4156 · arxiv_version: 1410.4156v8 · doi: 10.48550/arxiv.1410.4156 · pith_short_12: PY2OZCOCSTKN · pith_short_16: PY2OZCOCSTKNFADC · pith_short_8: PY2OZCOC

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/PY2OZCOCSTKNFADC7G5INP6EPR \
  | 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: 7e34ec89c294d4d28062f9ba86bfc47c6d7c0b747ce9da77098ec65b963105b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac04d31903115b3962bd8417003e785ddb0eb9f825c5f7391a5cb292398ec29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-10-15T18:25:22Z",
    "title_canon_sha256": "98fc8e0a531f2334879c55b99a4a300498d0b705e20bf9df32dc1e7bbdcefa85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4156",
    "kind": "arxiv",
    "version": 8
  }
}