Pith Number

pith:3PQAKCU5

pith:2022:3PQAKCU5IOAMTMHJ5MZ33V2XL6

not attested not anchored not stored refs pending

Mixup-based Deep Metric Learning Approaches for Incomplete Supervision

Daniel C. G. Pedronette, Fabio A. Faria, Gustavo Carneiro, Joao P. Papa, Jurandy Almeida, Luiz H. Buris

arxiv:2204.13572 v3 · 2022-04-28 · cs.LG · 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{3PQAKCU5IOAMTMHJ5MZ33V2XL6}

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	2026-07-05T04:51:56.531579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe0050a9d4380c9b0e9eb33bdd7575fbc607b35785f96480f32ab36d4aeca49

Aliases

arxiv: 2204.13572 · arxiv_version: 2204.13572v3 · doi: 10.48550/arxiv.2204.13572 · pith_short_12: 3PQAKCU5IOAM · pith_short_16: 3PQAKCU5IOAMTMHJ · pith_short_8: 3PQAKCU5

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/3PQAKCU5IOAMTMHJ5MZ33V2XL6 \
  | 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: dbe0050a9d4380c9b0e9eb33bdd7575fbc607b35785f96480f32ab36d4aeca49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f08fd0d8317884d982a27f5fd553af92c6af13dbf78703053a8c736ee572e413",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-28T15:36:16Z",
    "title_canon_sha256": "967e6e1f88de68e00872403c3d060ebf9a3ea2552850cd40bd19dd4d4606c236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13572",
    "kind": "arxiv",
    "version": 3
  }
}