Pith Number

pith:KZDIYLGX

pith:2021:KZDIYLGXUHMXQZ7VSV3AGY2OQY

not attested not anchored not stored refs pending

An Empirical Exploration in Quality Filtering of Text Data

Leo Gao

arxiv:2109.00698 v2 · 2021-09-02 · 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{KZDIYLGXUHMXQZ7VSV3AGY2OQY}

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.

Cited by

2 papers in Pith

DataComp-VLM: Improved Open Datasets for Vision-Language Models

Receipt and verification

First computed	2026-07-05T03:20:37.470306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56468c2cd7a1d97867f5957603634e8638c8c1d6575f04fe1cfda2cf8ac7be60

Aliases

arxiv: 2109.00698 · arxiv_version: 2109.00698v2 · doi: 10.48550/arxiv.2109.00698 · pith_short_12: KZDIYLGXUHMX · pith_short_16: KZDIYLGXUHMXQZ7V · pith_short_8: KZDIYLGX

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/KZDIYLGXUHMXQZ7VSV3AGY2OQY \
  | 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: 56468c2cd7a1d97867f5957603634e8638c8c1d6575f04fe1cfda2cf8ac7be60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21d1774cfc7c0796ab6d8da8278741f7717be9f45d1b56c1cb054d083f3f33cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-02T04:02:51Z",
    "title_canon_sha256": "f5421a77094e67e5d5fccaffbc4fadd077c72b64340b97addd6f6fc99bd6b93b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00698",
    "kind": "arxiv",
    "version": 2
  }
}