Pith Number

pith:URN5PDF5

pith:2020:URN5PDF5ZPJ5BGMQVJO5PHDOER

not attested not anchored not stored refs pending

Generalized Product Quantization Network for Semi-supervised Image Retrieval

Nam Ik Cho, Young Kyun Jang

arxiv:2002.11281 v3 · 2020-02-26 · 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{URN5PDF5ZPJ5BGMQVJO5PHDOER}

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	2026-07-05T01:09:41.514894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45bd78cbdcbd3d09990aa5dd79c6e24437445cd7609f8da6e59e534eef806fb

Aliases

arxiv: 2002.11281 · arxiv_version: 2002.11281v3 · doi: 10.48550/arxiv.2002.11281 · pith_short_12: URN5PDF5ZPJ5 · pith_short_16: URN5PDF5ZPJ5BGMQ · pith_short_8: URN5PDF5

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/URN5PDF5ZPJ5BGMQVJO5PHDOER \
  | 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: a45bd78cbdcbd3d09990aa5dd79c6e24437445cd7609f8da6e59e534eef806fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e71980b962e6a688fb7f56d894234e7a0db8679c8ada97526732dcf1e008d7a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-26T03:36:32Z",
    "title_canon_sha256": "50cd3b4abf817e7c444fe46cd7a9e27b0c743624d398fccbeb7c08328912922a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11281",
    "kind": "arxiv",
    "version": 3
  }
}