Pith Number

pith:UCVW4PXI

pith:2012:UCVW4PXI4UW67LNWQSKIX3QMGC

not attested not anchored not stored refs pending

How to Price Shared Optimizations in the Cloud

Dan Suciu, Magdalena Balazinska, Prasang Upadhyaya

arxiv:1203.0059 v1 · 2012-03-01 · 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{UCVW4PXI4UW67LNWQSKIX3QMGC}

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	2026-05-18T02:21:17.394782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ab6e3ee8e52defadb684948bee0c30bbae4848bd13c9b00890019322353d33

Aliases

arxiv: 1203.0059 · arxiv_version: 1203.0059v1 · doi: 10.48550/arxiv.1203.0059 · pith_short_12: UCVW4PXI4UW6 · pith_short_16: UCVW4PXI4UW67LNW · pith_short_8: UCVW4PXI

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/UCVW4PXI4UW67LNWQSKIX3QMGC \
  | 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: a0ab6e3ee8e52defadb684948bee0c30bbae4848bd13c9b00890019322353d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6b60bf260b11178ced2bca3d3b8d7b413684899da085be0b1fa7aaaf75199fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-03-01T00:17:40Z",
    "title_canon_sha256": "590906603548a86999277a9df8d0f8b47e8b84f445562a27ce1b96c217c38507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0059",
    "kind": "arxiv",
    "version": 1
  }
}