Pith Number

pith:72NL63X2

pith:2012:72NL63X2IKGZW4RCYZWRUN3NRZ

not attested not anchored not stored refs pending

PerfXplain: Debugging MapReduce Job Performance

Dan Suciu, Magdalena Balazinska, Nodira Khoussainova

arxiv:1203.6400 v1 · 2012-03-29 · 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{72NL63X2IKGZW4RCYZWRUN3NRZ}

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	2026-05-18T03:59:02.639677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9abf6efa428d9b7222c66d1a376d8e68b697cba6efbdc83f99dfbd7a624390

Aliases

arxiv: 1203.6400 · arxiv_version: 1203.6400v1 · doi: 10.48550/arxiv.1203.6400 · pith_short_12: 72NL63X2IKGZ · pith_short_16: 72NL63X2IKGZW4RC · pith_short_8: 72NL63X2

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/72NL63X2IKGZW4RCYZWRUN3NRZ \
  | 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: fe9abf6efa428d9b7222c66d1a376d8e68b697cba6efbdc83f99dfbd7a624390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0787d67a15b738683e0c7eed509dc30ec80cd134c186e99ff15d0f01cb475610",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-03-29T00:04:35Z",
    "title_canon_sha256": "3362b6a6b680a0f5d2465386f3089f4df9e57186e0a808f47475b5d945ab99a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6400",
    "kind": "arxiv",
    "version": 1
  }
}