Pith Number

pith:2BDHQB7V

pith:2021:2BDHQB7VL4IS4NSMOIEV7AFYQL

not attested not anchored not stored refs pending

Graph Convolution for Re-ranking in Person Re-identification

Chong Liu, Fan Wang, Hao Li, Qian Qi, Rong Jin, Weihua Chen, Yuqi Zhang

arxiv:2107.02220 v2 · 2021-07-05 · 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{2BDHQB7VL4IS4NSMOIEV7AFYQL}

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	2026-07-05T03:52:13.601108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0467807f55f112e364c72095f80b882e1efbc85dc809a41d79853358a7b8f70

Aliases

arxiv: 2107.02220 · arxiv_version: 2107.02220v2 · doi: 10.48550/arxiv.2107.02220 · pith_short_12: 2BDHQB7VL4IS · pith_short_16: 2BDHQB7VL4IS4NSM · pith_short_8: 2BDHQB7V

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/2BDHQB7VL4IS4NSMOIEV7AFYQL \
  | 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: d0467807f55f112e364c72095f80b882e1efbc85dc809a41d79853358a7b8f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "778301a58d49dc59bd8e8fbefe5943efbc1a3b5f51e1c56b4059ecb315a0926a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-05T18:40:43Z",
    "title_canon_sha256": "9fd26ac6d3c9484f242172e3a3d316446c646a4dbb1d89ce0768718c697eacd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.02220",
    "kind": "arxiv",
    "version": 2
  }
}