Pith Number

pith:KJ7HOLR3

pith:2026:KJ7HOLR3E65JNGUGPJIMFOM5LW

not attested not anchored not stored refs pending

Fully Inductive Cardinality Estimation

Lukas Ketzer, Maribel Acosta, Tim Schwabe

arxiv:2607.28311 v1 · 2026-07-30 · cs.DB · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJ7HOLR3E65JNGUGPJIMFOM5LW}

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	2026-07-31T01:37:12.498604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

527e772e3b27ba969a867a50c2b99d5dada6ff0d2c05181830a5153714e9d67d

Aliases

arxiv: 2607.28311 · arxiv_version: 2607.28311v1 · doi: 10.48550/arxiv.2607.28311 · pith_short_12: KJ7HOLR3E65J · pith_short_16: KJ7HOLR3E65JNGUG · pith_short_8: KJ7HOLR3

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/KJ7HOLR3E65JNGUGPJIMFOM5LW \
  | 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: 527e772e3b27ba969a867a50c2b99d5dada6ff0d2c05181830a5153714e9d67d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e0dac09fca8286cf5c8d311353a0513e9517726ea5d444acbc8c022b4bb31e7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-30T14:46:43Z",
    "title_canon_sha256": "3aacaea29d285a1c0ec8cf4296150438b0335fb3e2c5d141d8ea44e77af66b1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28311",
    "kind": "arxiv",
    "version": 1
  }
}