Pith Number

pith:4ZP7HHME

pith:2018:4ZP7HHMEW4LEL7ZTDVKYJLRLAY

not attested not anchored not stored refs pending

Combating Adversarial Attacks Using Sparse Representations

Ramtin Pedarsani, Soorya Gopalakrishnan, Upamanyu Madhow, Zhinus Marzi

arxiv:1803.03880 v3 · 2018-03-11 · stat.ML · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZP7HHMEW4LEL7ZTDVKYJLRLAY}

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	2026-05-18T00:10:48.812044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e65ff39d84b71645ff331d5584ae2b062f3a0b8ee67bd95d671d10deebea492d

Aliases

arxiv: 1803.03880 · arxiv_version: 1803.03880v3 · doi: 10.48550/arxiv.1803.03880 · pith_short_12: 4ZP7HHMEW4LE · pith_short_16: 4ZP7HHMEW4LEL7ZT · pith_short_8: 4ZP7HHME

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/4ZP7HHMEW4LEL7ZTDVKYJLRLAY \
  | 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: e65ff39d84b71645ff331d5584ae2b062f3a0b8ee67bd95d671d10deebea492d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a0002a3d2e0f39fa05ab341e58e85246cc18f94d607fcaca24a47cd29aa3d92",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-03-11T02:02:46Z",
    "title_canon_sha256": "c81e039be47666c6051382a033240e07728081fdd76f7e51a2e1b4748299d632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03880",
    "kind": "arxiv",
    "version": 3
  }
}