Pith Number

pith:JJMCPVXQ

pith:2013:JJMCPVXQPHVB2FQO7IT6NLCP45

not attested not anchored not stored refs pending

Measuring the Optimality of Hadoop Optimization

Changryong Baek, Dongwon Lee, Woo-Cheol Kim

arxiv:1307.2915 v1 · 2013-07-10 · cs.DC · cs.PF

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJMCPVXQPHVB2FQO7IT6NLCP45}

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	2026-05-18T03:18:41.896588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a5827d6f079ea1d160efa27e6ac4fe769cffbdb08b0de72edb34edf24bd4935

Aliases

arxiv: 1307.2915 · arxiv_version: 1307.2915v1 · doi: 10.48550/arxiv.1307.2915 · pith_short_12: JJMCPVXQPHVB · pith_short_16: JJMCPVXQPHVB2FQO · pith_short_8: JJMCPVXQ

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/JJMCPVXQPHVB2FQO7IT6NLCP45 \
  | 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: 4a5827d6f079ea1d160efa27e6ac4fe769cffbdb08b0de72edb34edf24bd4935

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e93d196b25cbb03189f220745af16b28a6cd828ba6211958383aec91b5dce40",
    "cross_cats_sorted": [
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-07-10T20:39:24Z",
    "title_canon_sha256": "a8c64c7925331fa850e7e7f99ed9afbd9d6cccaa4b3faee230132fc12d2b533f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2915",
    "kind": "arxiv",
    "version": 1
  }
}