Pith Number

pith:XIYHXFIE

pith:2019:XIYHXFIETKP5T6IFE3NJMV7EPT

not attested not anchored not stored refs pending

Estimating Cardinalities with Deep Sketches

Alfons Kemper, Andreas Kipf, Bernhard Radke, Dimitri Vorona, Jonas M\"uller, Peter Boncz, Thomas Kipf, Thomas Neumann, Viktor Leis

arxiv:1904.08223 v1 · 2019-04-17 · 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{XIYHXFIETKP5T6IFE3NJMV7EPT}

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	2026-05-17T23:48:18.342235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba307b95049a9fd9f90526da9657e47cef116965a09b46b5527247ba2f4afad7

Aliases

arxiv: 1904.08223 · arxiv_version: 1904.08223v1 · doi: 10.48550/arxiv.1904.08223 · pith_short_12: XIYHXFIETKP5 · pith_short_16: XIYHXFIETKP5T6IF · pith_short_8: XIYHXFIE

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/XIYHXFIETKP5T6IFE3NJMV7EPT \
  | 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: ba307b95049a9fd9f90526da9657e47cef116965a09b46b5527247ba2f4afad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f2a8accd3578f9bdc396f5f94b589eaba89e221d9ab508e5f5b8f67a26076e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-04-17T12:29:28Z",
    "title_canon_sha256": "33ad3aa2d407b9c978be171eca5b34f5d625d3036368f34d7f607d0393e00962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08223",
    "kind": "arxiv",
    "version": 1
  }
}