Pith Number

pith:ZZILQQEX

pith:2025:ZZILQQEXIDX4SSDQKVZ7S3JI2P

not attested not anchored not stored refs pending

Occam's model: Selecting simpler representations for better transferability estimation

Joaquin Vanschoren, Prabhant Singh, Sibylle Hess

arxiv:2502.06925 v1 · 2025-02-10 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZILQQEXIDX4SSDQKVZ7S3JI2P}

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	2026-07-05T10:12:30.419025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce50b8409740efc948705573f96d28d3ce1b455c184ae93e8f02894a44a05daa

Aliases

arxiv: 2502.06925 · arxiv_version: 2502.06925v1 · doi: 10.48550/arxiv.2502.06925 · pith_short_12: ZZILQQEXIDX4 · pith_short_16: ZZILQQEXIDX4SSDQ · pith_short_8: ZZILQQEX

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/ZZILQQEXIDX4SSDQKVZ7S3JI2P \
  | 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: ce50b8409740efc948705573f96d28d3ce1b455c184ae93e8f02894a44a05daa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c8e9467b66fd06f429077927ba0ec12305fb0befeb2ad6d8e467fcfb1727696",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-10T18:23:24Z",
    "title_canon_sha256": "1066085be9d79e1c75d3f80d897ceb38c650c3247017c01fffde732bca014862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06925",
    "kind": "arxiv",
    "version": 1
  }
}