Pith Number

pith:XVBEC43Z

pith:2021:XVBEC43ZZVP4XUGRWVHXBVBRND

not attested not anchored not stored refs pending

It Takes Two to Tango: Mixup for Deep Metric Learning

Bill Psomas, Ewa Kijak, Konstantinos Karantzalos, Laurent Amsaleg, Shashanka Venkataramanan, Yannis Avrithis

arxiv:2106.04990 v2 · 2021-06-09 · 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{XVBEC43ZZVP4XUGRWVHXBVBRND}

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	2026-07-05T04:00:15.154409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd42417379cd5fcbd0d1b54f70d43168f08da270da748d1a9001160be3ff73d4

Aliases

arxiv: 2106.04990 · arxiv_version: 2106.04990v2 · doi: 10.48550/arxiv.2106.04990 · pith_short_12: XVBEC43ZZVP4 · pith_short_16: XVBEC43ZZVP4XUGR · pith_short_8: XVBEC43Z

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/XVBEC43ZZVP4XUGRWVHXBVBRND \
  | 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: bd42417379cd5fcbd0d1b54f70d43168f08da270da748d1a9001160be3ff73d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3432e8d890f8550129eee4a2cc8e891797bc4dcdfdb7b1fce6ceadbda7bc265",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-09T11:20:03Z",
    "title_canon_sha256": "a8753dbba37d1817789ab067e32dfcae3bc67f4d0e4f02044afb557fc8603c70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04990",
    "kind": "arxiv",
    "version": 2
  }
}