pith. sign in
Pith Number

pith:AA4B7HZ7

pith:2019:AA4B7HZ7AJZLS4UCANELJKYRK3
not attested not anchored not stored refs pending

A Privacy-Preserving Traffic Monitoring Scheme via Vehicular Crowdsourcing

Chang Xu, Chuan Zhang, Liehuang Zhu, Mohsen Guizani, Xiaojiang Du

arxiv:1902.04663 v1 · 2019-02-12 · cs.CR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AA4B7HZ7AJZLS4UCANELJKYRK3}

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 2026-05-17T23:54:06.347091Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

00381f9f3f0272b972820348b4ab1156df6a05fe7f9b5e8a08d0d3c04e7d87bc

Aliases

arxiv: 1902.04663 · arxiv_version: 1902.04663v1 · doi: 10.48550/arxiv.1902.04663 · pith_short_12: AA4B7HZ7AJZL · pith_short_16: AA4B7HZ7AJZLS4UC · pith_short_8: AA4B7HZ7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AA4B7HZ7AJZLS4UCANELJKYRK3 \
  | 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: 00381f9f3f0272b972820348b4ab1156df6a05fe7f9b5e8a08d0d3c04e7d87bc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ce2a9a472584c1d5007cf43d91b16f14ab6e989242b3220cc1175a4afbdc3bba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-02-12T22:41:48Z",
    "title_canon_sha256": "815c170215b51069fd71a8a3a8b87984e45a449c9d0c6a91ff0b22415e928751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04663",
    "kind": "arxiv",
    "version": 1
  }
}