Pith Number

pith:MRXHJZ67

pith:2017:MRXHJZ67NDBKBAU6KYXV4RRPYS

not attested not anchored not stored refs pending

Trajectory Recovery From Ash: User Privacy Is NOT Preserved in Aggregated Mobility Data

Depeng Jin, Fengli Xu, Pengyu Zhang, Xiaoming Fu, Yong Li, Zhen Tu

arxiv:1702.06270 v2 · 2017-02-21 · cs.CY · 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{MRXHJZ67NDBKBAU6KYXV4RRPYS}

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	2026-05-18T00:49:57.352148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

646e74e7df68c2a0829e562f5e462fc4bb2df745e4b28b51fa5a8072cca72015

Aliases

arxiv: 1702.06270 · arxiv_version: 1702.06270v2 · doi: 10.48550/arxiv.1702.06270 · pith_short_12: MRXHJZ67NDBK · pith_short_16: MRXHJZ67NDBKBAU6 · pith_short_8: MRXHJZ67

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/MRXHJZ67NDBKBAU6KYXV4RRPYS \
  | 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: 646e74e7df68c2a0829e562f5e462fc4bb2df745e4b28b51fa5a8072cca72015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c46bf16cb1cb90a423f3ed1542b89b804ed275c8fb0094a8940e2058f2b9430c",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-02-21T05:24:43Z",
    "title_canon_sha256": "56e8d4224c68909a5a3bd032ea1d4121be62082d410a0dea27f88cbf3d0bb1d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06270",
    "kind": "arxiv",
    "version": 2
  }
}