Pith Number

pith:ZA45MWZ5

pith:2019:ZA45MWZ5NVUFQXNQLFINQLKNNP

not attested not anchored not stored refs pending

Characterizing Location-based Mobile Tracking in Mobile Ad Networks

Boyang Hu, Matthew Troglia, Qiben Yan, Qicheng Lin, Qingyang Wang, Yao Zheng

arxiv:1903.09916 v1 · 2019-03-24 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZA45MWZ5NVUFQXNQLFINQLKNNP}

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	2026-05-17T23:50:35.090301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c839d65b3d6d68585db05950d82d4d6be6695e657eabc9e64f33a5365c178107

Aliases

arxiv: 1903.09916 · arxiv_version: 1903.09916v1 · doi: 10.48550/arxiv.1903.09916 · pith_short_12: ZA45MWZ5NVUF · pith_short_16: ZA45MWZ5NVUFQXNQ · pith_short_8: ZA45MWZ5

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/ZA45MWZ5NVUFQXNQLFINQLKNNP \
  | 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: c839d65b3d6d68585db05950d82d4d6be6695e657eabc9e64f33a5365c178107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc2fed33ea43991e6f73503614a8bd61d24c32d80b8b4141a69959774bc339ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-03-24T03:41:35Z",
    "title_canon_sha256": "dd1afc820aa5255c61dda832dda30b6af5a9ee41843635472bec43db2927c6c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09916",
    "kind": "arxiv",
    "version": 1
  }
}