Pith Number

pith:2IW4POWE

pith:2019:2IW4POWE7PKLKXYONWNZ3BUPIM

not attested not anchored not stored refs pending

A Layered Aggregate Engine for Analytics Workloads

Dan Olteanu, Hung Q. Ngo, Mahmoud Abo Khamis, Maximilian Schleich, XuanLong Nguyen

arxiv:1906.08687 v1 · 2019-06-20 · 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{2IW4POWE7PKLKXYONWNZ3BUPIM}

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	2026-05-17T23:42:49.573216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22dc7bac4fbd4b55f0e6d9b9d868f4301279bc5497fd65e409c869f3c8cca90

Aliases

arxiv: 1906.08687 · arxiv_version: 1906.08687v1 · doi: 10.48550/arxiv.1906.08687 · pith_short_12: 2IW4POWE7PKL · pith_short_16: 2IW4POWE7PKLKXYO · pith_short_8: 2IW4POWE

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/2IW4POWE7PKLKXYONWNZ3BUPIM \
  | 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: d22dc7bac4fbd4b55f0e6d9b9d868f4301279bc5497fd65e409c869f3c8cca90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e0a060c237188098a9320bbb62df47a4e23cc689ebf4098a50fde088ca55a6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-06-20T15:20:20Z",
    "title_canon_sha256": "d3189773836d65010b89b224bd3ca823062f88a236e459151f3d8a07c023a961"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08687",
    "kind": "arxiv",
    "version": 1
  }
}