Pith Number

pith:PC7GEOQJ

pith:2017:PC7GEOQJ6HIOQM6O374ZAQY4GM

not attested not anchored not stored refs pending

Reverse k Nearest Neighbor Search over Trajectories

Gao Cong, J. Shane Culpepper, Sheng Wang, Timos Sellis, Zhifeng Bao

arxiv:1704.03978 v1 · 2017-04-13 · 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{PC7GEOQJ6HIOQM6O374ZAQY4GM}

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	2026-05-18T00:46:25.719109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78be623a09f1d0e833cedff990431c330ba04bab3a49a379e48d19c70eec9b51

Aliases

arxiv: 1704.03978 · arxiv_version: 1704.03978v1 · doi: 10.48550/arxiv.1704.03978 · pith_short_12: PC7GEOQJ6HIO · pith_short_16: PC7GEOQJ6HIOQM6O · pith_short_8: PC7GEOQJ

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/PC7GEOQJ6HIOQM6O374ZAQY4GM \
  | 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: 78be623a09f1d0e833cedff990431c330ba04bab3a49a379e48d19c70eec9b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e298985d72eacbd3f39d8f32ab9d352b09362f912c45546092ba6739c4536e4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-04-13T03:14:00Z",
    "title_canon_sha256": "031023df79c703d06a0db2715b615b899e77479b381c01e5d1b2448d7b3027c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03978",
    "kind": "arxiv",
    "version": 1
  }
}