Pith Number

pith:KBTEC6NJ

pith:2025:KBTEC6NJ4HSYRKWZ7VGVRYYKQQ

not attested not anchored not stored refs pending

Learning under Distributional Drift: Prequential Reproducibility as an Intrinsic Statistical Resource

Sofiya Zaichyk

arxiv:2512.13506 v4 · 2025-12-15 · 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{KBTEC6NJ4HSYRKWZ7VGVRYYKQQ}

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	2026-05-20T00:05:39.135623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50664179a9e1e588aad9fd4d58e30a840f07e4d58c204adf70481d1fdc5d3762

Aliases

arxiv: 2512.13506 · arxiv_version: 2512.13506v4 · doi: 10.48550/arxiv.2512.13506 · pith_short_12: KBTEC6NJ4HSY · pith_short_16: KBTEC6NJ4HSYRKWZ · pith_short_8: KBTEC6NJ

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/KBTEC6NJ4HSYRKWZ7VGVRYYKQQ \
  | 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: 50664179a9e1e588aad9fd4d58e30a840f07e4d58c204adf70481d1fdc5d3762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b15128760253991db2171d8953e04291deeae20c1b1a82d4d57852b6d407edf5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-12-15T16:34:47Z",
    "title_canon_sha256": "b8c376a13ea9981284f2b4f260358a34aa0e371bf41248fe1bf3db096e58d51d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.13506",
    "kind": "arxiv",
    "version": 4
  }
}