Pith Number

pith:CVFVFBPM

pith:2019:CVFVFBPMUQPADILAELWZGPA4XR

not attested not anchored not stored refs pending

Towards Testing of Deep Learning Systems with Training Set Reduction

Arnaud Gotlieb, Helge Spieker

arxiv:1901.04169 v1 · 2019-01-14 · stat.ML · cs.LG · cs.NE · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVFVFBPMUQPADILAELWZGPA4XR}

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	2026-05-17T23:56:26.167330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

154b5285eca41e01a16022ed933c1cbc4fa589d786f2322797d5e8b256647b85

Aliases

arxiv: 1901.04169 · arxiv_version: 1901.04169v1 · doi: 10.48550/arxiv.1901.04169 · pith_short_12: CVFVFBPMUQPA · pith_short_16: CVFVFBPMUQPADILA · pith_short_8: CVFVFBPM

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/CVFVFBPMUQPADILAELWZGPA4XR \
  | 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: 154b5285eca41e01a16022ed933c1cbc4fa589d786f2322797d5e8b256647b85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de381140eb06a66f641ce865c5610d00af4bf0494ae5bcdc624926814ed75cd8",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-01-14T07:55:00Z",
    "title_canon_sha256": "a9ef68e3ddd84a2f0d9794785c51794c9e8f2529d7f45e2ffdaa79be1639141d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04169",
    "kind": "arxiv",
    "version": 1
  }
}