Pith Number

pith:XQNBE7FQ

pith:2014:XQNBE7FQYUJXOJWKTO4VVW6PL3

not attested not anchored not stored refs pending

A Sample-Based Approach to Data Quality Assessment in Spatial Databases with Application to Mobile Trajectory Nearest-Neighbor Search

Bagher Saberi, Nasser Ghadiri

arxiv:1409.2819 v2 · 2014-09-09 · 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{XQNBE7FQYUJXOJWKTO4VVW6PL3}

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	2026-05-18T01:14:53.413220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc1a127cb0c5137726ca9bb95adbcf5eec8b5b47e5799b2ed338418695d7e9d9

Aliases

arxiv: 1409.2819 · arxiv_version: 1409.2819v2 · doi: 10.48550/arxiv.1409.2819 · pith_short_12: XQNBE7FQYUJX · pith_short_16: XQNBE7FQYUJXOJWK · pith_short_8: XQNBE7FQ

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/XQNBE7FQYUJXOJWKTO4VVW6PL3 \
  | 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: bc1a127cb0c5137726ca9bb95adbcf5eec8b5b47e5799b2ed338418695d7e9d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "904ba44e3acbaa2d6f07c156896c3f1101fef626d22e55b6fd8f3171bb69941e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-09-09T17:10:11Z",
    "title_canon_sha256": "7bdaba9460f02cabb4960b1b28e40b8c87d6c4b491b0addd9069c82953965f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2819",
    "kind": "arxiv",
    "version": 2
  }
}