pith. sign in
Pith Number

pith:PJNPRU3B

pith:2016:PJNPRU3BNBBINFPW22KWTQCFR3
not attested not anchored not stored refs pending

P4QS: A Peer to Peer Privacy Preserving Query Service for Location-Based Mobile Applications

Mehran Sadeghi Lahijani, Meysam Ghaffari, Mohammad Hossein Manshaei, Nasser Ghadiri

arxiv:1606.02373 v1 · 2016-06-08 · cs.CR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PJNPRU3BNBBINFPW22KWTQCFR3}

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 2026-05-18T01:12:41.503470Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a5af8d36168428695f6d69569c0458eed74df5608bc69b027fd93faf757c205

Aliases

arxiv: 1606.02373 · arxiv_version: 1606.02373v1 · doi: 10.48550/arxiv.1606.02373 · pith_short_12: PJNPRU3BNBBI · pith_short_16: PJNPRU3BNBBINFPW · pith_short_8: PJNPRU3B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PJNPRU3BNBBINFPW22KWTQCFR3 \
  | 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: 7a5af8d36168428695f6d69569c0458eed74df5608bc69b027fd93faf757c205
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3391fa1aa4f4f1212b08299a78090c0b543813054492016feb9e2feed2c79794",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-06-08T02:09:15Z",
    "title_canon_sha256": "b74b4c8eec95acf203472f28aded8b6b22d8ecabc3cfad600574258249d3c9e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02373",
    "kind": "arxiv",
    "version": 1
  }
}