Pith Number

pith:Z5Q5GUZX

pith:2011:Z5Q5GUZXN43WWVBBPY3SREAMWC

not attested not anchored not stored refs pending

Privacy Preserving Moving KNN Queries

Lars Kulik, Rui Zhang, Tanzima Hashem

arxiv:1104.2756 v1 · 2011-04-14 · 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{Z5Q5GUZXN43WWVBBPY3SREAMWC}

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	2026-05-18T04:24:26.878482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf61d353376f376b54217e3728900cb0a1dc59c68492c61e6233753b539b7a0c

Aliases

arxiv: 1104.2756 · arxiv_version: 1104.2756v1 · doi: 10.48550/arxiv.1104.2756 · pith_short_12: Z5Q5GUZXN43W · pith_short_16: Z5Q5GUZXN43WWVBB · pith_short_8: Z5Q5GUZX

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/Z5Q5GUZXN43WWVBBPY3SREAMWC \
  | 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: cf61d353376f376b54217e3728900cb0a1dc59c68492c61e6233753b539b7a0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55de2c6b307da5fb835eb57c8a189809cb6d6ef2102ca2825ff469694f7b6a8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2011-04-14T13:28:08Z",
    "title_canon_sha256": "5fbb815c9ff54e96c59fc3dc8df0db3c21dc4298082ebf6225eaec392cd23b5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2756",
    "kind": "arxiv",
    "version": 1
  }
}