Pith Number

pith:K25E5FHA

pith:2020:K25E5FHA4FGO4JOCCJ3RFYE55L

not attested not anchored not stored refs pending

A Metric Learning Reality Check

Kevin Musgrave, Serge Belongie, Ser-Nam Lim

arxiv:2003.08505 v3 · 2020-03-18 · 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{K25E5FHA4FGO4JOCCJ3RFYE55L}

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.

Cited by

1 paper in Pith

Cherry-Picking in Time Series Forecasting: How to Select Datasets to Make Your Model Shine

Receipt and verification

First computed	2026-07-05T01:35:45.216804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56ba4e94e0e14cee25c2127712e09deacf3856db60aeb744a20f88f39690d760

Aliases

arxiv: 2003.08505 · arxiv_version: 2003.08505v3 · doi: 10.48550/arxiv.2003.08505 · pith_short_12: K25E5FHA4FGO · pith_short_16: K25E5FHA4FGO4JOC · pith_short_8: K25E5FHA

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/K25E5FHA4FGO4JOCCJ3RFYE55L \
  | 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: 56ba4e94e0e14cee25c2127712e09deacf3856db60aeb744a20f88f39690d760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68f37434d29f14718969c6c6a70dd0135b3fcf45a0db111ff714de3d92c02c0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-18T23:28:04Z",
    "title_canon_sha256": "71ff5f2b632dd3abfad200b3cf612f422dc60163613ca8d265b9f4cc4e85553f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.08505",
    "kind": "arxiv",
    "version": 3
  }
}