Pith Number

pith:K6E7PKZL

pith:2019:K6E7PKZLV64R3TYER66SZYP2KF

not attested not anchored not stored refs pending

CityFlow: A City-Scale Benchmark for Multi-Target Multi-Camera Vehicle Tracking and Re-Identification

David Anastasiu, Jenq-Neng Hwang, Milind Naphade, Ming-Yu Liu, Ratnesh Kumar, Shuo Wang, Stan Birchfield, Xiaodong Yang, Zheng Tang

arxiv:1903.09254 v4 · 2019-03-21 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K6E7PKZLV64R3TYER66SZYP2KF}

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	2026-05-17T23:49:14.402684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5789f7ab2bafb91dcf048fbd2ce1fa51403a9572004d8c7c013600882d0a74d2

Aliases

arxiv: 1903.09254 · arxiv_version: 1903.09254v4 · doi: 10.48550/arxiv.1903.09254 · pith_short_12: K6E7PKZLV64R · pith_short_16: K6E7PKZLV64R3TYE · pith_short_8: K6E7PKZL

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/K6E7PKZLV64R3TYER66SZYP2KF \
  | 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: 5789f7ab2bafb91dcf048fbd2ce1fa51403a9572004d8c7c013600882d0a74d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0dc3e412d3e8544106912bafdda8df7841dcc9878ce7a96d3887729a9f4ed40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-21T22:03:25Z",
    "title_canon_sha256": "948b998cc55e056f4affc3309df65ead3bdaec5a9ba62c9ab61b70edc1a5ef19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09254",
    "kind": "arxiv",
    "version": 4
  }
}