Pith Number

pith:6AE3VLP5

pith:2020:6AE3VLP5J4ERQHQQJLYDB4PZBY

not attested not anchored not stored refs pending

Distributionally Robust Deep Learning using Hardness Weighted Sampling

Andrew Melbourne, Anna L. David, Daniela Prayer, Doaa Emam, Ernst Schwartz, Esther Van Elslander, Fr\'ed\'eric Guffens, Georg Langs, Gregor Kasprian, Jan Deprest, Lucas Fidon, Michael Aertsen, Michael Ebner, Nada Mufti, S\'ebastien Ourselin, Thomas Deprest, Tom Vercauteren

arxiv:2001.02658 v4 · 2020-01-08 · 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{6AE3VLP5J4ERQHQQJLYDB4PZBY}

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	2026-07-05T06:26:37.106645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f009baadfd4f09181e104af030f1f90e02c3c00e54093aa6871b741884b4a000

Aliases

arxiv: 2001.02658 · arxiv_version: 2001.02658v4 · doi: 10.48550/arxiv.2001.02658 · pith_short_12: 6AE3VLP5J4ER · pith_short_16: 6AE3VLP5J4ERQHQQ · pith_short_8: 6AE3VLP5

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/6AE3VLP5J4ERQHQQJLYDB4PZBY \
  | 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: f009baadfd4f09181e104af030f1f90e02c3c00e54093aa6871b741884b4a000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1363bcb15be472d285bed0db7f4d6462e7c78ae1a4c366ec304edb086e8c436c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-01-08T18:02:56Z",
    "title_canon_sha256": "2119901767bf6cd29c23a9a7ce84842cbb7169e8cfe5aa676571433d89c3bf01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02658",
    "kind": "arxiv",
    "version": 4
  }
}