Pith Number

pith:63EWVU2F

pith:2021:63EWVU2FGLEJ5BU6P353TR34NQ

not attested not anchored not stored refs pending

Perturbing Inputs for Fragile Interpretations in Deep Natural Language Processing

Arshdeep Sekhon, Hanjie Chen, Sanchit Sinha, Yangfeng Ji, Yanjun Qi

arxiv:2108.04990 v2 · 2021-08-11 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63EWVU2FGLEJ5BU6P353TR34NQ}

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	2026-07-05T03:14:46.396210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6c96ad34532c89e869e7efbb9c77c6c1d4e152731fbcc43d183a3f0692bed9d

Aliases

arxiv: 2108.04990 · arxiv_version: 2108.04990v2 · doi: 10.48550/arxiv.2108.04990 · pith_short_12: 63EWVU2FGLEJ · pith_short_16: 63EWVU2FGLEJ5BU6 · pith_short_8: 63EWVU2F

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/63EWVU2FGLEJ5BU6P353TR34NQ \
  | 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: f6c96ad34532c89e869e7efbb9c77c6c1d4e152731fbcc43d183a3f0692bed9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b44dbbcae3d7bec5e51638282a8bb383ee79f3fbb542d78e815a75ddd326165",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-11T02:07:21Z",
    "title_canon_sha256": "887a91abc5b44c03c09dd5516027819f61f526b9dc9a77b8e6f91b5ae387a1b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04990",
    "kind": "arxiv",
    "version": 2
  }
}