Pith Number

pith:VLIZ7J7G

pith:2009:VLIZ7J7G4REONR6RE4OVYCVNNQ

not attested not anchored not stored refs pending

Web 2.0 OLAP: From Data Cubes to Tag Clouds

Daniel Lemire, Kamel Aouiche, Robert Godin

arxiv:0905.2657 v2 · 2009-05-16 · 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{VLIZ7J7G4REONR6RE4OVYCVNNQ}

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	2026-05-18T01:19:00.754913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aad19fa7e6e448e6c7d1271d5c0aad6c3ec0d02eb0cbd54b6c00a3b288e1dcd3

Aliases

arxiv: 0905.2657 · arxiv_version: 0905.2657v2 · doi: 10.48550/arxiv.0905.2657 · pith_short_12: VLIZ7J7G4REO · pith_short_16: VLIZ7J7G4REONR6R · pith_short_8: VLIZ7J7G

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/VLIZ7J7G4REONR6RE4OVYCVNNQ \
  | 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: aad19fa7e6e448e6c7d1271d5c0aad6c3ec0d02eb0cbd54b6c00a3b288e1dcd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "757723d16ddbc0c573f80e6a42eb4a8ae99b6f8e0199e74c2d3f7c2c62116ea7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2009-05-16T05:57:06Z",
    "title_canon_sha256": "a1a4b4686a5af95f19cc160469dc227463e228ddc3ab14d029169c738c9c02bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2657",
    "kind": "arxiv",
    "version": 2
  }
}