Pith Number

pith:D75VBAHN

pith:2021:D75VBAHNJ4WRDYBP4HG5VDLCRS

not attested not anchored not stored refs pending

Detection, Tracking, and Counting Meets Drones in Crowds: A Benchmark

Dawei Du, Liefeng Bo, Longyin Wen, Pengfei Zhu, Qilong Wang, Qinghua Hu, Siwei Lyu

arxiv:2105.02440 v1 · 2021-05-06 · 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{D75VBAHNJ4WRDYBP4HG5VDLCRS}

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	2026-07-05T02:38:01.307393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ffb5080ed4f2d11e02fe1cdda8d628c9b09bdfa3e0e7861570899fe7c750e24

Aliases

arxiv: 2105.02440 · arxiv_version: 2105.02440v1 · doi: 10.48550/arxiv.2105.02440 · pith_short_12: D75VBAHNJ4WR · pith_short_16: D75VBAHNJ4WRDYBP · pith_short_8: D75VBAHN

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/D75VBAHNJ4WRDYBP4HG5VDLCRS \
  | 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: 1ffb5080ed4f2d11e02fe1cdda8d628c9b09bdfa3e0e7861570899fe7c750e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d3e6be5824f89e89222c784e50f95ad2d3c55737c61cca389689d2ccbaebea0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-06T04:46:14Z",
    "title_canon_sha256": "3d0203ec5578596b21da317cce47af72dce271f89cf3c06a274421d209c6df3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02440",
    "kind": "arxiv",
    "version": 1
  }
}