Pith Number

pith:YXARMHBH

pith:2025:YXARMHBHD5ISUIHWDOJM2MFPS4

not attested not anchored not stored refs pending

AutoComp: Automated Data Compaction for Log-Structured Tables in Data Lakes

Anja Gruenheid, Carlo Curino, Daniel J. Abadi, Jes\'us Camacho-Rodr\'iguez, Lenisha Gandhi, Pooja Nilangekar, Raghu Ramakrishnan, Sandeep K. Singhal, Stanislav Pak, Sumedh Sakdeo

arxiv:2504.04186 v1 · 2025-04-05 · 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{YXARMHBHD5ISUIHWDOJM2MFPS4}

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	2026-07-05T10:44:55.410102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5c1161c271f512a20f61b92cd30af9704f965825e60acd591b779498b320237

Aliases

arxiv: 2504.04186 · arxiv_version: 2504.04186v1 · doi: 10.48550/arxiv.2504.04186 · pith_short_12: YXARMHBHD5IS · pith_short_16: YXARMHBHD5ISUIHW · pith_short_8: YXARMHBH

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/YXARMHBHD5ISUIHWDOJM2MFPS4 \
  | 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: c5c1161c271f512a20f61b92cd30af9704f965825e60acd591b779498b320237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ac7f8d393ebb99283e5f46390bd51c20472de4cc808bca8f4800e7995c1ffd4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-04-05T14:10:58Z",
    "title_canon_sha256": "8c9251dae23302281d0540182c46aaa98b64873c4c07f21ad3deba92f449bf95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04186",
    "kind": "arxiv",
    "version": 1
  }
}