Pith Number

pith:ZKGDUJLC

pith:2022:ZKGDUJLCUXMJB7VI7K2GMLDKKW

not attested not anchored not stored refs pending

Do Lessons from Metric Learning Generalize to Image-Caption Retrieval?

Maarten de Rijke, Maurits Bleeker

arxiv:2202.07474 v1 · 2022-02-14 · cs.CV · cs.AI · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZKGDUJLCUXMJB7VI7K2GMLDKKW}

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	2026-07-05T03:57:00.686683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca8c3a2562a5d890fea8fab4662c6a55aa858209b845b5b31753c6acc6548107

Aliases

arxiv: 2202.07474 · arxiv_version: 2202.07474v1 · doi: 10.48550/arxiv.2202.07474 · pith_short_12: ZKGDUJLCUXMJ · pith_short_16: ZKGDUJLCUXMJB7VI · pith_short_8: ZKGDUJLC

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/ZKGDUJLCUXMJB7VI7K2GMLDKKW \
  | 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: ca8c3a2562a5d890fea8fab4662c6a55aa858209b845b5b31753c6acc6548107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73ea2ad5807ab8814b21923c809cc7ec96daa446e18ea5ec2a4986f8be55f3c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-14T15:18:00Z",
    "title_canon_sha256": "29daee8bf9aff3769e63ad1bf506711fad19704324ecdcc448ecd9b2f1a49ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07474",
    "kind": "arxiv",
    "version": 1
  }
}