Pith Number

pith:HX6O6YMN

pith:2021:HX6O6YMNV5GQWLPVF72RAYPSSZ

not attested not anchored not stored refs pending

Hard hat wearing detection based on head keypoint localization

Bartosz W\'ojcik, Jaros{\l}aw Adam Miszczak, Kamil Ksi\k{a}\.zek, Mateusz \.Zarski, Miros{\l}aw Jan Skibniewski

arxiv:2106.10944 v2 · 2021-06-21 · cs.CV · cs.AI · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HX6O6YMNV5GQWLPVF72RAYPSSZ}

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	2026-07-05T07:28:25.163403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dfcef618daf4d0b2df52ff51061f29676d67a8ba7af540ff758bc3bbd9abf3b

Aliases

arxiv: 2106.10944 · arxiv_version: 2106.10944v2 · doi: 10.48550/arxiv.2106.10944 · pith_short_12: HX6O6YMNV5GQ · pith_short_16: HX6O6YMNV5GQWLPV · pith_short_8: HX6O6YMN

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/HX6O6YMNV5GQWLPVF72RAYPSSZ \
  | 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: 3dfcef618daf4d0b2df52ff51061f29676d67a8ba7af540ff758bc3bbd9abf3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ee3370bc14d44829beebe47d5bd7dd71db8b5852d8ab3ca053794fc02d588ee",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-21T09:31:33Z",
    "title_canon_sha256": "cdb649a5965d8455fdbf6854f49e7c0751cc0b5925f3859f46fd0e4a9566c8ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10944",
    "kind": "arxiv",
    "version": 2
  }
}