Pith Number

pith:UHNDY6JY

pith:2019:UHNDY6JYUD6WJCNOIA2XG3F5HJ

not attested not anchored not stored refs pending

Polly Want a Cracker: Analyzing Performance of Parroting on Paraphrase Generation Datasets

Hongren Mao, Hung-yi Lee

arxiv:1908.07831 v1 · 2019-08-19 · 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{UHNDY6JYUD6WJCNOIA2XG3F5HJ}

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	2026-07-04T23:59:01.530858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1da3c7938a0fd6489ae4035736cbd3a7c8c0cf764f86403769f516aa576908d

Aliases

arxiv: 1908.07831 · arxiv_version: 1908.07831v1 · doi: 10.48550/arxiv.1908.07831 · pith_short_12: UHNDY6JYUD6W · pith_short_16: UHNDY6JYUD6WJCNO · pith_short_8: UHNDY6JY

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/UHNDY6JYUD6WJCNOIA2XG3F5HJ \
  | 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: a1da3c7938a0fd6489ae4035736cbd3a7c8c0cf764f86403769f516aa576908d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a69eef0f0772587436140c7b9c4ad83b46c9de231c72c83ff9f00199952bb9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-19T05:40:42Z",
    "title_canon_sha256": "177516e299d19a4461a6f6161392155b40e698d1ddb8cbdbabb9094cccb7770d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07831",
    "kind": "arxiv",
    "version": 1
  }
}