Pith Number

pith:SHL2K45P

pith:2019:SHL2K45P2TAY5JZLC24ION2CLD

not attested not anchored not stored refs pending

A Step Toward Quantifying Independently Reproducible Machine Learning Research

Edward Raff

arxiv:1909.06674 v1 · 2019-09-14 · cs.LG · cs.AI · cs.DL · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHL2K45P2TAY5JZLC24ION2CLD}

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

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Receipt and verification

First computed	2026-07-05T00:04:48.463075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91d7a573afd4c18ea72b16b887374258f4c5b3f0dd5a48b31af23e0bc77db65e

Aliases

arxiv: 1909.06674 · arxiv_version: 1909.06674v1 · doi: 10.48550/arxiv.1909.06674 · pith_short_12: SHL2K45P2TAY · pith_short_16: SHL2K45P2TAY5JZL · pith_short_8: SHL2K45P

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/SHL2K45P2TAY5JZLC24ION2CLD \
  | 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: 91d7a573afd4c18ea72b16b887374258f4c5b3f0dd5a48b31af23e0bc77db65e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b15e86b2bde0d60aa22c904ad2900ef510412747fb31900833de811c2da95d5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-09-14T20:53:16Z",
    "title_canon_sha256": "e2958f65a10a97d8691e5543fa76a40ec1f93350034c2b2020a862c8fe530ff9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06674",
    "kind": "arxiv",
    "version": 1
  }
}