Pith Number

pith:QLRLDKGT

pith:2021:QLRLDKGT7MF2UYRAP2LWAFIASZ

not attested not anchored not stored refs pending

tf.data: A Machine Learning Data Processing Framework

Ana Klimovic, Derek G. Murray, Ihor Indyk, Jiri Simsa

arxiv:2101.12127 v2 · 2021-01-28 · cs.LG · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLRLDKGT7MF2UYRAP2LWAFIASZ}

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

1 paper in Pith

MegaScale-Data: Scaling Dataloader for Multisource Large Foundation Model Training

Receipt and verification

First computed	2026-07-05T02:17:56.096712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82e2b1a8d3fb0baa62207e97601500964f2c8c1c24a1d70359db83ceb161f394

Aliases

arxiv: 2101.12127 · arxiv_version: 2101.12127v2 · doi: 10.48550/arxiv.2101.12127 · pith_short_12: QLRLDKGT7MF2 · pith_short_16: QLRLDKGT7MF2UYRA · pith_short_8: QLRLDKGT

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/QLRLDKGT7MF2UYRAP2LWAFIASZ \
  | 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: 82e2b1a8d3fb0baa62207e97601500964f2c8c1c24a1d70359db83ceb161f394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d06d916117afd5ed91d1a4f398d574b07eebb52d84b788cd8e6253c6d042b0e9",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-28T17:16:46Z",
    "title_canon_sha256": "dfdf7bc9eb41314d361409fa41c7b13b667b8421ed1f1dba23477f7ca42d6762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12127",
    "kind": "arxiv",
    "version": 2
  }
}