Pith Number

pith:4E72AOFJ

pith:2020:4E72AOFJ53NZVGZKHYPSWH2PS6

not attested not anchored not stored refs pending

Headless Horseman: Adversarial Attacks on Transfer Learning Models

Ahmed Abdelkader, Avi Schwarzschild, Chen Zhu, Christoph Studer, Liam Fowl, Manli Shu, Michael J. Curry, Tom Goldstein

arxiv:2004.09007 v1 · 2020-04-20 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4E72AOFJ53NZVGZKHYPSWH2PS6}

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	2026-07-05T00:56:12.193680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13fa038a9eedb9a9b2a3e1f2b1f4f9790a31279c3e18b253f39cc0b173b054e

Aliases

arxiv: 2004.09007 · arxiv_version: 2004.09007v1 · doi: 10.48550/arxiv.2004.09007 · pith_short_12: 4E72AOFJ53NZ · pith_short_16: 4E72AOFJ53NZVGZK · pith_short_8: 4E72AOFJ

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/4E72AOFJ53NZVGZKHYPSWH2PS6 \
  | 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: e13fa038a9eedb9a9b2a3e1f2b1f4f9790a31279c3e18b253f39cc0b173b054e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a63a342b9ea3beb1a4f3d61c8e811c3d11e0c386fbd26fdb27aafac681e03e80",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-04-20T01:07:45Z",
    "title_canon_sha256": "4130affd4a74c0ca200745b5e028bc6e45d4a1cb17610ff52e18a4d0e096bfed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09007",
    "kind": "arxiv",
    "version": 1
  }
}