Pith Number

pith:F4F4I7W6

pith:2022:F4F4I7W6QBKMP7K6AGMY5X2OS7

not attested not anchored not stored refs pending

On the Robustness of CountSketch to Adaptive Inputs

Edith Cohen, Jelani Nelson, Moshe Shechner, Tam\'as Sarl\'os, Uri Stemmer, Xin Lyu

arxiv:2202.13736 v1 · 2022-02-28 · cs.DS · 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{F4F4I7W6QBKMP7K6AGMY5X2OS7}

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

Breaking the Quadratic Barrier: Robust Cardinality Sketches for Adaptive Queries

Receipt and verification

First computed	2026-07-05T04:00:33.444326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f0bc47ede8054c7fd5e01998edf4e97d59d4da97f273e1c3c7c862493be82df

Aliases

arxiv: 2202.13736 · arxiv_version: 2202.13736v1 · doi: 10.48550/arxiv.2202.13736 · pith_short_12: F4F4I7W6QBKM · pith_short_16: F4F4I7W6QBKMP7K6 · pith_short_8: F4F4I7W6

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/F4F4I7W6QBKMP7K6AGMY5X2OS7 \
  | 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: 2f0bc47ede8054c7fd5e01998edf4e97d59d4da97f273e1c3c7c862493be82df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f17e1c191de24aaa892bd0f2fc8327c84ab65a2a8992cf4e9eab366fd4d4404",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-02-28T13:04:41Z",
    "title_canon_sha256": "7c8042cbd34d70fd0bd374a487c6f0da158aadc9115b65e1975dcfca82c3c8d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13736",
    "kind": "arxiv",
    "version": 1
  }
}