Pith Number

pith:7S3D5H7B

pith:2026:7S3D5H7B3YNY7TGFUDCQ2FWVOE

not attested not anchored not stored refs pending

Generalization in offline RL: The structure is more important than the amount of pessimism

Matthijs T.J. Spaan, Max Weltevrede, Wendelin B\"ohmer

arxiv:2607.02288 v1 · 2026-07-02 · 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{7S3D5H7B3YNY7TGFUDCQ2FWVOE}

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	2026-07-03T01:17:47.541676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb63e9fe1de1b8fccc5a0c50d16d57115516b15095241021cca50a3d1777a8c

Aliases

arxiv: 2607.02288 · arxiv_version: 2607.02288v1 · doi: 10.48550/arxiv.2607.02288 · pith_short_12: 7S3D5H7B3YNY · pith_short_16: 7S3D5H7B3YNY7TGF · pith_short_8: 7S3D5H7B

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/7S3D5H7B3YNY7TGFUDCQ2FWVOE \
  | 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: fcb63e9fe1de1b8fccc5a0c50d16d57115516b15095241021cca50a3d1777a8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98333bf5ed82b56d8ebbcc869dbe6899aff957bf8a90f2d3179919378d2445b2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-02T15:05:25Z",
    "title_canon_sha256": "0a954681870b4087fe86d71a5758f86372e6d1007bf1436702c7dde4b5c024db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02288",
    "kind": "arxiv",
    "version": 1
  }
}