Pith Number

pith:5F3PLYL2

pith:2021:5F3PLYL2UFHDJSFLFNFQ2R63NR

not attested not anchored not stored refs pending

Lower Bounds on Cross-Entropy Loss in the Presence of Test-time Adversaries

Arjun Nitin Bhagoji, Daniel Cullina, Prateek Mittal, Vikash Sehwag

arxiv:2104.08382 v2 · 2021-04-16 · cs.LG · cs.AI · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5F3PLYL2UFHDJSFLFNFQ2R63NR}

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	2026-07-05T02:46:27.526935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e976f5e17aa14e34c8ab2b4b0d47db6c682d415bd9c7c12ba2af9281752b8461

Aliases

arxiv: 2104.08382 · arxiv_version: 2104.08382v2 · doi: 10.48550/arxiv.2104.08382 · pith_short_12: 5F3PLYL2UFHD · pith_short_16: 5F3PLYL2UFHDJSFL · pith_short_8: 5F3PLYL2

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/5F3PLYL2UFHDJSFLFNFQ2R63NR \
  | 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: e976f5e17aa14e34c8ab2b4b0d47db6c682d415bd9c7c12ba2af9281752b8461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d48d3156ed43b752d29456c039b6822d051ebd86ad7a6ab52fe292f378db9793",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-16T21:41:28Z",
    "title_canon_sha256": "86618a9ba7980de662917002f2b25137e248c06926e71417945779bb301ad5f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08382",
    "kind": "arxiv",
    "version": 2
  }
}