Pith Number

pith:OCPA4AT6

pith:2020:OCPA4AT6K66ZGQRUJB2EWYTWYH

not attested not anchored not stored refs pending

COCAS: A Large-Scale Clothes Changing Person Dataset for Re-identification

Dapeng Chen, Junjie Yan, Rui Zhao, Shihua Li, Shijie Yu, Yu Qiao

arxiv:2005.07862 v1 · 2020-05-16 · 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{OCPA4AT6K66ZGQRUJB2EWYTWYH}

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	2026-07-05T01:03:10.517484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

709e0e027e57bd93423448744b6276c1cad2e3c8afe17b8a6b941ee37b699a3b

Aliases

arxiv: 2005.07862 · arxiv_version: 2005.07862v1 · doi: 10.48550/arxiv.2005.07862 · pith_short_12: OCPA4AT6K66Z · pith_short_16: OCPA4AT6K66ZGQRU · pith_short_8: OCPA4AT6

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/OCPA4AT6K66ZGQRUJB2EWYTWYH \
  | 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: 709e0e027e57bd93423448744b6276c1cad2e3c8afe17b8a6b941ee37b699a3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc1e524ac7c107110f9fcf35b800c8794e510aae8d292515842e1607abe621e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-05-16T03:50:08Z",
    "title_canon_sha256": "0d911dc45e6e9575c319dd306c34d89583e1c83c1f151c429e9ced7ead9eb19d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.07862",
    "kind": "arxiv",
    "version": 1
  }
}