Pith Number

pith:7S6M3M2Y

pith:2020:7S6M3M2Y2BO2C7KAZK5GPMQSKB

not attested not anchored not stored refs pending

Guaranteeing Reproducibility in Deep Learning Competitions

Brandon Houghton, Diego Perez-Liebana, Katja Hofmann, Manuela Veloso, Nicholay Topin, Ruslan Salakhutdinov, Stephanie Milani, William Guss

arxiv:2005.06041 v1 · 2020-05-12 · cs.LG · 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{7S6M3M2Y2BO2C7KAZK5GPMQSKB}

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	2026-07-05T01:02:31.448671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcbccdb358d05da17d40caba67b212504ecef6d4d5df3784f44e49c650b1050b

Aliases

arxiv: 2005.06041 · arxiv_version: 2005.06041v1 · doi: 10.48550/arxiv.2005.06041 · pith_short_12: 7S6M3M2Y2BO2 · pith_short_16: 7S6M3M2Y2BO2C7KA · pith_short_8: 7S6M3M2Y

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/7S6M3M2Y2BO2C7KAZK5GPMQSKB \
  | 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: fcbccdb358d05da17d40caba67b212504ecef6d4d5df3784f44e49c650b1050b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b13e6ced27c32dace8cf4a12ed5b44ec4228c8a7994c2853a8cd30f92508870",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-05-12T20:43:05Z",
    "title_canon_sha256": "b2b04b82b50d88d940952f8ff86301b85191eaa6b6c783452f385c9efa09515c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.06041",
    "kind": "arxiv",
    "version": 1
  }
}