Pith Number

pith:CX6T5SSG

pith:2025:CX6T5SSGKLETKJ7YBN42OGR6VW

not attested not anchored not stored refs pending

Hidden Sketch: A Space-Efficient Reversible Sketch for Tracking Frequent Items in Data Streams

Tong Yang, Yuhan Wu, Yuxuan Tian, Zicang Xu

arxiv:2505.12293 v1 · 2025-05-18 · 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{CX6T5SSGKLETKJ7YBN42OGR6VW}

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	2026-07-05T11:05:01.760886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15fd3eca4652c93527f80b79a71a3eada449658ef1498a68034f61607bd3fd1a

Aliases

arxiv: 2505.12293 · arxiv_version: 2505.12293v1 · doi: 10.48550/arxiv.2505.12293 · pith_short_12: CX6T5SSGKLET · pith_short_16: CX6T5SSGKLETKJ7Y · pith_short_8: CX6T5SSG

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/CX6T5SSGKLETKJ7YBN42OGR6VW \
  | 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: 15fd3eca4652c93527f80b79a71a3eada449658ef1498a68034f61607bd3fd1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "162d6402eab27ed00848c8a7f6c7117ffc8ad9028c6bb33d23a8f0fdf4ad602d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-05-18T08:10:01Z",
    "title_canon_sha256": "33f1b8fad21e5666711485dd40a275e214672eb36b0b2decfb7b1f412736dd68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12293",
    "kind": "arxiv",
    "version": 1
  }
}