Pith Number

pith:DFK2QYWP

pith:2017:DFK2QYWPWEF5MX2VN6SSVSWZOW

not attested not anchored not stored refs pending

Towards matching user mobility traces in large-scale datasets

Behrooz Hashemian, Carlo Ratti, D\'aniel Kondor, Yves-Alexandre de Montjoye

arxiv:1709.05772 v4 · 2017-09-18 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFK2QYWPWEF5MX2VN6SSVSWZOW}

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	2026-05-18T00:04:45.272739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1955a862cfb10bd65f556fa52acad975b331781b24e82df24afacd66f187c222

Aliases

arxiv: 1709.05772 · arxiv_version: 1709.05772v4 · doi: 10.48550/arxiv.1709.05772 · pith_short_12: DFK2QYWPWEF5 · pith_short_16: DFK2QYWPWEF5MX2V · pith_short_8: DFK2QYWP

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/DFK2QYWPWEF5MX2VN6SSVSWZOW \
  | 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: 1955a862cfb10bd65f556fa52acad975b331781b24e82df24afacd66f187c222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eb9733a1dd710b078fe282bea1be756649938e1326ba30f045fabb8678e32d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-09-18T04:22:34Z",
    "title_canon_sha256": "b7d99f4d7cf69ff3e61e7cd1baf386805d27176b8f4892155e4384799d5c990a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05772",
    "kind": "arxiv",
    "version": 4
  }
}