Pith Number

pith:UP6KGSS3

pith:2021:UP6KGSS3TTIHBAZASN2MF2DLAH

not attested not anchored not stored refs pending

Rethinking Sampling Strategies for Unsupervised Person Re-identification

Gang Pan, Guorong Li, Jianbin Jiao, Jian Zhao, Qixiang Ye, Xuehui Yu, Xumeng Han, Zhenjun Han

arxiv:2107.03024 v4 · 2021-07-07 · 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{UP6KGSS3TTIHBAZASN2MF2DLAH}

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	2026-07-05T09:44:31.832609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3fca34a5b9cd07083209374c2e86b01d9334f4458c7233c83ff7f4ae60b8f44

Aliases

arxiv: 2107.03024 · arxiv_version: 2107.03024v4 · doi: 10.48550/arxiv.2107.03024 · pith_short_12: UP6KGSS3TTIH · pith_short_16: UP6KGSS3TTIHBAZA · pith_short_8: UP6KGSS3

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/UP6KGSS3TTIHBAZASN2MF2DLAH \
  | 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: a3fca34a5b9cd07083209374c2e86b01d9334f4458c7233c83ff7f4ae60b8f44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "131471b431cd9852567e1c718f92b15d371c42cdec3f634b59dff46508c94419",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-07T05:39:58Z",
    "title_canon_sha256": "b6e29114ce54b27d49a16b80379fce1b80b0d2f77814018c55b972e56dd00ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03024",
    "kind": "arxiv",
    "version": 4
  }
}