Pith Number

pith:GBBYZCPQ

pith:2011:GBBYZCPQ3RIS5WNWA7OC6GKNBF

not attested not anchored not stored refs pending

An Empirical Study of Real-World SPARQL Queries

Javier D. Fern\'andez, Mario Arias, Miguel A. Mart\'inez-Prieto, Pablo de la Fuente

arxiv:1103.5043 v1 · 2011-03-25 · cs.IR · cs.AI · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GBBYZCPQ3RIS5WNWA7OC6GKNBF}

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	2026-05-18T04:25:48.132173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30438c89f0dc512ed9b607dc2f194d095c496b32997011dec3fcd2dfae9b63fb

Aliases

arxiv: 1103.5043 · arxiv_version: 1103.5043v1 · doi: 10.48550/arxiv.1103.5043 · pith_short_12: GBBYZCPQ3RIS · pith_short_16: GBBYZCPQ3RIS5WNW · pith_short_8: GBBYZCPQ

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/GBBYZCPQ3RIS5WNWA7OC6GKNBF \
  | 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: 30438c89f0dc512ed9b607dc2f194d095c496b32997011dec3fcd2dfae9b63fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ab38a6776cc2144be7e3e13e5fc6db5e97325853a29e1e8e4625a3757a0569",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-03-25T17:43:17Z",
    "title_canon_sha256": "2574e310f816febe123d36891c51b836d7fae3951907974bdb28f7f0895e9466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5043",
    "kind": "arxiv",
    "version": 1
  }
}