Pith Number

pith:B6QGNDGM

pith:2017:B6QGNDGMED2QRJYJ3XS3UJEJJ3

not attested not anchored not stored refs pending

Back to the Future: an Even More Nearly Optimal Cardinality Estimation Algorithm

Kevin J Lang

arxiv:1708.06839 v1 · 2017-08-22 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B6QGNDGMED2QRJYJ3XS3UJEJJ3}

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.

Cited by

1 paper in Pith

A Unified Construction of Streaming Sketches via the L\'evy-Khintchine Representation Theorem

Receipt and verification

First computed	2026-05-18T00:36:49.044842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fa0668ccc20f508a709dde5ba24894ecb58dee4daff9ce032874606dfd98df5

Aliases

arxiv: 1708.06839 · arxiv_version: 1708.06839v1 · doi: 10.48550/arxiv.1708.06839 · pith_short_12: B6QGNDGMED2Q · pith_short_16: B6QGNDGMED2QRJYJ · pith_short_8: B6QGNDGM

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/B6QGNDGMED2QRJYJ3XS3UJEJJ3 \
  | 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: 0fa0668ccc20f508a709dde5ba24894ecb58dee4daff9ce032874606dfd98df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3f1bd1d720cdbee6c2c756fe634ea6a2ec8beee8425f0ec87804599cf4e263e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-22T22:11:43Z",
    "title_canon_sha256": "41d2d6a10446bd91411591d02b3ec45fac8b8dd8d46397485dd912a7e9bcd37c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06839",
    "kind": "arxiv",
    "version": 1
  }
}