Pith Number

pith:FM3FWUJM

pith:2021:FM3FWUJMRYCUEQDDVEYDOYAZOD

not attested not anchored not stored refs pending

Combining Aggregation and Sampling (Nearly) Optimally for Approximate Query Processing

Sanjay Krishnan, Stavros Sintos, Xi Liang, Zechao Shang

arxiv:2103.15994 v1 · 2021-03-29 · 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{FM3FWUJMRYCUEQDDVEYDOYAZOD}

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	2026-07-05T02:27:47.089943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b365b512c8e05424063a93037601970cf65d1d5d7e2a24ecb152aa5556d8e2f

Aliases

arxiv: 2103.15994 · arxiv_version: 2103.15994v1 · doi: 10.48550/arxiv.2103.15994 · pith_short_12: FM3FWUJMRYCU · pith_short_16: FM3FWUJMRYCUEQDD · pith_short_8: FM3FWUJM

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/FM3FWUJMRYCUEQDDVEYDOYAZOD \
  | 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: 2b365b512c8e05424063a93037601970cf65d1d5d7e2a24ecb152aa5556d8e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28153647ea1dff2deaf6abefeac9d09d0715387956b0740735e2a45a421c9dc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-03-29T23:55:37Z",
    "title_canon_sha256": "7d1ff71666ff0879fd2f3ae590435e5952b1e2bafe8f299493f385e86dafe5a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15994",
    "kind": "arxiv",
    "version": 1
  }
}