Pith Number

pith:U4MXS4IW

pith:2026:U4MXS4IWVE2VYQ7KJMUIMOSNBV

not attested not anchored not stored refs pending

Certified Policy Optimisation for Nested Causal Bandits via PAC-Bayes Risk

Paul-David Zuercher, Tim Woydt

arxiv:2605.29788 v1 · 2026-05-28 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4MXS4IWVE2VYQ7KJMUIMOSNBV}

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	2026-05-29T02:05:52.363930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a719797116a9355c43ea4b28863a4d0d435786e93b81b6c27cc76b553504f07c

Aliases

arxiv: 2605.29788 · arxiv_version: 2605.29788v1 · doi: 10.48550/arxiv.2605.29788 · pith_short_12: U4MXS4IWVE2V · pith_short_16: U4MXS4IWVE2VYQ7K · pith_short_8: U4MXS4IW

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/U4MXS4IWVE2VYQ7KJMUIMOSNBV \
  | 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: a719797116a9355c43ea4b28863a4d0d435786e93b81b6c27cc76b553504f07c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ba725ad9150569734f61d372844691ead631d368d8fc699b655d30327fcfc4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-28T11:39:51Z",
    "title_canon_sha256": "bc713b09ac9f5e9558994b37cfd12368d8e0cb2057dbaa821159a9448ba0dd53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29788",
    "kind": "arxiv",
    "version": 1
  }
}