Pith Number

pith:RHT6XUB6

pith:2018:RHT6XUB6UNQB5RFNPFQWHJ64RH

not attested not anchored not stored refs pending

In Defense of the Classification Loss for Person Re-Identification

Houqiang Li, Xun Guo, Yan Lu, Yao Zhai

arxiv:1809.05864 v2 · 2018-09-16 · 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{RHT6XUB6UNQB5RFNPFQWHJ64RH}

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	2026-05-17T23:59:38.316201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89e7ebd03ea3601ec4ad796163a7dc89f3e6158ff58894391f3cb24fddc9b75b

Aliases

arxiv: 1809.05864 · arxiv_version: 1809.05864v2 · doi: 10.48550/arxiv.1809.05864 · pith_short_12: RHT6XUB6UNQB · pith_short_16: RHT6XUB6UNQB5RFN · pith_short_8: RHT6XUB6

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/RHT6XUB6UNQB5RFNPFQWHJ64RH \
  | 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: 89e7ebd03ea3601ec4ad796163a7dc89f3e6158ff58894391f3cb24fddc9b75b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeb9bf9bf4dc2c8baaf793af89147bb4c4d59fa4eb0dccf72082b452066d986e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-16T12:35:53Z",
    "title_canon_sha256": "78101891b151a184cc3448db2a5e6d69ade45bfa0f92a710d1e6961dbc79bcd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05864",
    "kind": "arxiv",
    "version": 2
  }
}