Pith Number

pith:QDV4QG4F

pith:2014:QDV4QG4FCKQLP6S4IQ5M4XAPIU

not attested not anchored not stored refs pending

Uncertainty Aware Query Execution Time Prediction

Hakan Hac{\i}g\"um\"u\c{s}, Jeffrey F. Naughton, Wentao Wu, Xi Wu

arxiv:1408.6589 v1 · 2014-08-27 · 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{QDV4QG4FCKQLP6S4IQ5M4XAPIU}

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	2026-05-18T02:44:01.276559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ebc81b8512a0b7fa5c443ace5c0f4507f5fd36732000fba59354e1821b217b

Aliases

arxiv: 1408.6589 · arxiv_version: 1408.6589v1 · doi: 10.48550/arxiv.1408.6589 · pith_short_12: QDV4QG4FCKQL · pith_short_16: QDV4QG4FCKQLP6S4 · pith_short_8: QDV4QG4F

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/QDV4QG4FCKQLP6S4IQ5M4XAPIU \
  | 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: 80ebc81b8512a0b7fa5c443ace5c0f4507f5fd36732000fba59354e1821b217b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eb866307fb7b89792e28efb6f8abacbe49adfce6bf50d19446453f71390d6d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-08-27T23:21:58Z",
    "title_canon_sha256": "3a5439b6621f6b83b0ab4336c40e69d04373c3b5d81a34c99036ff9380a23033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6589",
    "kind": "arxiv",
    "version": 1
  }
}