Pith Number

pith:UDPU34WY

pith:2020:UDPU34WYI24AUZCX36G3PUUTHG

not attested not anchored not stored refs pending

Improved YOLOv3 Object Classification in Intelligent Transportation System

Changhui Hu, Xiaobo Lu, Yang Zhang

arxiv:2004.03948 v1 · 2020-04-08 · 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{UDPU34WYI24AUZCX36G3PUUTHG}

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	2026-07-05T00:53:57.868284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0df4df2d846b80a6457df8db7d29339ad11b16d300806b3f62337283d20783f

Aliases

arxiv: 2004.03948 · arxiv_version: 2004.03948v1 · doi: 10.48550/arxiv.2004.03948 · pith_short_12: UDPU34WYI24A · pith_short_16: UDPU34WYI24AUZCX · pith_short_8: UDPU34WY

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/UDPU34WYI24AUZCX36G3PUUTHG \
  | 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: a0df4df2d846b80a6457df8db7d29339ad11b16d300806b3f62337283d20783f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69ec705a39c957a91782fdbeb250fe950f54bc235f2c09b3cdbe1a8150f78bdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-08T11:45:13Z",
    "title_canon_sha256": "21ebdd15f1dfbacf1f5e407bffa8bf8244bfa7a9a8f725442857ef597c6c6113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03948",
    "kind": "arxiv",
    "version": 1
  }
}