Pith Number

pith:33UKQHIZ

pith:2011:33UKQHIZNA6DXVVH72PPPN3IHT

not attested not anchored not stored refs pending

Efficient Continual Top-$k$ Keyword Search in Relational Databases

Yanwei Xu

arxiv:1103.2651 v2 · 2011-03-14 · cs.DB · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33UKQHIZNA6DXVVH72PPPN3IHT}

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	2026-05-18T02:22:19.447412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dee8a81d19683c3bd6a7fe9ef7b7683cc53f2ac38eff4f1297176b9e411d3a9e

Aliases

arxiv: 1103.2651 · arxiv_version: 1103.2651v2 · doi: 10.48550/arxiv.1103.2651 · pith_short_12: 33UKQHIZNA6D · pith_short_16: 33UKQHIZNA6DXVVH · pith_short_8: 33UKQHIZ

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/33UKQHIZNA6DXVVH72PPPN3IHT \
  | 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: dee8a81d19683c3bd6a7fe9ef7b7683cc53f2ac38eff4f1297176b9e411d3a9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b123df133aae4466bb02b3da5f02da7b810ede57b9b3396a3832a692478e1bc",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2011-03-14T12:50:48Z",
    "title_canon_sha256": "df76429b078ca53f61fb1a4ee8ae1820c9fc8fc0abcebde144f2bdccf81fb517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2651",
    "kind": "arxiv",
    "version": 2
  }
}