Pith Number

pith:DRXQWMWD

pith:2018:DRXQWMWDFMCPZYT2SMQ7CE4G3O

not attested not anchored not stored refs pending

Efficient Continuous Top-$k$ Geo-Image Search on Road Network

Chengyuan Zhang, Fang Huang, Kesheng Cheng, Lei Zhu, Ruipeng Chen, Zuping Zhang

arxiv:1808.02793 v1 · 2018-08-08 · cs.MM · 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{DRXQWMWDFMCPZYT2SMQ7CE4G3O}

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	2026-05-18T00:08:32.162227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c6f0b32c32b04fce27a9321f11386dba7a236981b688edf1d6da5a53ea8ab19

Aliases

arxiv: 1808.02793 · arxiv_version: 1808.02793v1 · doi: 10.48550/arxiv.1808.02793 · pith_short_12: DRXQWMWDFMCP · pith_short_16: DRXQWMWDFMCPZYT2 · pith_short_8: DRXQWMWD

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/DRXQWMWDFMCPZYT2SMQ7CE4G3O \
  | 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: 1c6f0b32c32b04fce27a9321f11386dba7a236981b688edf1d6da5a53ea8ab19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b81821ac107453c0119b810eaa80f532f10d7e0c69b4c77118f0d947bbe897c2",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2018-08-08T14:25:16Z",
    "title_canon_sha256": "1a0bed1002fa6142ed03b38edab40463f334189712e3e8e76e1c8d2681214d66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02793",
    "kind": "arxiv",
    "version": 1
  }
}