Pith Number

pith:TT6LZIMB

pith:2021:TT6LZIMBZZCTGYQSYMDC7UQ4TH

not attested not anchored not stored refs pending

Robustness Tests of NLP Machine Learning Models: Search and Semantically Replace

Hanyu Yang, Karan Jindal, Matthew A. Campbell, Rahul Singh, Tarun Joshi, Wayne B. Shoumaker, Yufei Yu

arxiv:2104.09978 v1 · 2021-04-20 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TT6LZIMBZZCTGYQSYMDC7UQ4TH}

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	2026-07-05T02:33:38.844584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cfcbca181ce45336212c3062fd21c99d76cbb30d7a6a17958c2c548146b3a9a

Aliases

arxiv: 2104.09978 · arxiv_version: 2104.09978v1 · doi: 10.48550/arxiv.2104.09978 · pith_short_12: TT6LZIMBZZCT · pith_short_16: TT6LZIMBZZCTGYQS · pith_short_8: TT6LZIMB

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/TT6LZIMBZZCTGYQSYMDC7UQ4TH \
  | 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: 9cfcbca181ce45336212c3062fd21c99d76cbb30d7a6a17958c2c548146b3a9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fdf65a855468e2d88279abe1d96ff8af3bf86b554265ca6e7546d441b0c748f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-20T14:05:36Z",
    "title_canon_sha256": "4b8841481c34702a3964a7a43c1fb012f8db6455e6fd08c974c763e3ad814744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09978",
    "kind": "arxiv",
    "version": 1
  }
}