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Pith Number

pith:SQOR22GF

pith:2014:SQOR22GFJIG2R32NHACN2ACFSM
not attested not anchored not stored refs pending

({\alpha}, k)-Minimal Sorting and Skew Join in MPI and MapReduce

Ada Wai-chee Fu, Silu Huang

arxiv:1403.5381 v1 · 2014-03-21 · cs.DB

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SQOR22GFJIG2R32NHACN2ACFSM}

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 2026-05-18T02:55:56.506016Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

941d1d68c54a0da8ef4d3804dd0045933e98f82996c7181459fbc9c776057171

Aliases

arxiv: 1403.5381 · arxiv_version: 1403.5381v1 · doi: 10.48550/arxiv.1403.5381 · pith_short_12: SQOR22GFJIG2 · pith_short_16: SQOR22GFJIG2R32N · pith_short_8: SQOR22GF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SQOR22GFJIG2R32NHACN2ACFSM \
  | 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: 941d1d68c54a0da8ef4d3804dd0045933e98f82996c7181459fbc9c776057171
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3d671f138c17dae52b6df035c01e060f4bc13bb0080f979c988b07992b4f9527",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-03-21T07:10:16Z",
    "title_canon_sha256": "9eb67d469b77e3be64c4d2384d84a92a38f29ed3e65b7e990ea69b5aa5ab8316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5381",
    "kind": "arxiv",
    "version": 1
  }
}