Pith Number

pith:4ZUAGYJ5

pith:2018:4ZUAGYJ56NBATJ2LW4JC3NH3BQ

not attested not anchored not stored refs pending

Automatic Safety Helmet Wearing Detection

Jiang Bian, Kang Li, Min Tan, Xiaoguang Zhao

arxiv:1802.00264 v1 · 2018-02-01 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZUAGYJ56NBATJ2LW4JC3NH3BQ}

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	2026-05-18T00:24:36.382886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e66803613df34209a74bb7122db4fb0c10e3c72b3a26dc6f3d03474baad329e4

Aliases

arxiv: 1802.00264 · arxiv_version: 1802.00264v1 · doi: 10.48550/arxiv.1802.00264 · pith_short_12: 4ZUAGYJ56NBA · pith_short_16: 4ZUAGYJ56NBATJ2L · pith_short_8: 4ZUAGYJ5

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/4ZUAGYJ56NBATJ2LW4JC3NH3BQ \
  | 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: e66803613df34209a74bb7122db4fb0c10e3c72b3a26dc6f3d03474baad329e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39edfb0395b5cf5c6867a6db6545ac12c293ce7f76e8cd6b749cad377c2cb449",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-02-01T12:41:25Z",
    "title_canon_sha256": "da03d081de08a51cfd7468178602b0f98048d53b09a0ff978e4ed61879c9c62b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00264",
    "kind": "arxiv",
    "version": 1
  }
}