Pith Number

pith:JMMQXHJY

pith:2021:JMMQXHJYI3OWQ7WHNIB3PLTABT

not attested not anchored not stored refs pending

Revisiting Data Compression in Column-Stores

Alexander Slesarev, Evgeniy Klyuchikov, George Chernishev, Kirill Smirnov

arxiv:2105.09058 v1 · 2021-05-19 · cs.DB · cs.DC · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMMQXHJYI3OWQ7WHNIB3PLTABT}

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	2026-07-05T02:41:36.745783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b190b9d3846dd687ec76a03b7ae600cd2747b0e550de7b0fb264c976804be50

Aliases

arxiv: 2105.09058 · arxiv_version: 2105.09058v1 · doi: 10.48550/arxiv.2105.09058 · pith_short_12: JMMQXHJYI3OW · pith_short_16: JMMQXHJYI3OWQ7WH · pith_short_8: JMMQXHJY

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/JMMQXHJYI3OWQ7WHNIB3PLTABT \
  | 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: 4b190b9d3846dd687ec76a03b7ae600cd2747b0e550de7b0fb264c976804be50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b180fa5735280088db0ca60b034255b36daf595d00b0fa53eef1df39d097fee",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.PF"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-05-19T10:53:41Z",
    "title_canon_sha256": "b04302501544ca4a1e72af5f8d9bf0344c09eaee835b3b5cc99d657143e0684b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09058",
    "kind": "arxiv",
    "version": 1
  }
}