Pith Number

pith:YQFHCGJS

pith:2021:YQFHCGJSERZUYIA6K6T5BJLUWY

not attested not anchored not stored refs pending

Training Dynamic based data filtering may not work for NLP datasets

Arka Talukdar, Monika Dagar, Prachi Gupta, Varun Menon

arxiv:2109.09191 v1 · 2021-09-19 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQFHCGJSERZUYIA6K6T5BJLUWY}

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	2026-07-05T03:15:42.540551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c40a71193224734c201e57a7d0a574b61ddf1a048924b659d5d6040a567c74f4

Aliases

arxiv: 2109.09191 · arxiv_version: 2109.09191v1 · doi: 10.48550/arxiv.2109.09191 · pith_short_12: YQFHCGJSERZU · pith_short_16: YQFHCGJSERZUYIA6 · pith_short_8: YQFHCGJS

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/YQFHCGJSERZUYIA6K6T5BJLUWY \
  | 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: c40a71193224734c201e57a7d0a574b61ddf1a048924b659d5d6040a567c74f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "092ae7fbde3f2a8c726423820398168dae74bbea569c4cbc765a2a190b34ae1a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-19T18:50:45Z",
    "title_canon_sha256": "5a0cfda89141413986c4cd75c7788f620ce1d095e6412b3e6664772d62b45ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09191",
    "kind": "arxiv",
    "version": 1
  }
}