Pith Number

pith:UPB7WTCB

pith:2017:UPB7WTCBGIGP2VYYYHTGQU3ZEB

not attested not anchored not stored refs pending

Beyond triplet loss: a deep quadruplet network for person re-identification

Jianguo Zhang, Kaiqi Huang, Weihua Chen, Xiaotang Chen

arxiv:1704.01719 v1 · 2017-04-06 · 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{UPB7WTCBGIGP2VYYYHTGQU3ZEB}

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	2026-05-18T00:46:54.488825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3c3fb4c41320cfd5718c1e6685379207bac16982e9583729fc3205bd0df3024

Aliases

arxiv: 1704.01719 · arxiv_version: 1704.01719v1 · doi: 10.48550/arxiv.1704.01719 · pith_short_12: UPB7WTCBGIGP · pith_short_16: UPB7WTCBGIGP2VYY · pith_short_8: UPB7WTCB

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/UPB7WTCBGIGP2VYYYHTGQU3ZEB \
  | 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: a3c3fb4c41320cfd5718c1e6685379207bac16982e9583729fc3205bd0df3024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3675591115536180726937c9557fcbca47b1ee7f2b0bf1829fd54212aa1010ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-06T06:09:55Z",
    "title_canon_sha256": "164b3a46ab453924ef5d879456fffc013956d4fd773b9554ce4486472951fc04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01719",
    "kind": "arxiv",
    "version": 1
  }
}