Pith Number

pith:HRQF7SSZ

pith:2026:HRQF7SSZ4MLABR7FK66OPYE23C

not attested not anchored not stored refs pending

A Hierarchy of Policy Learning Problems

Hamsa Bastani, Osbert Bastani, Shihan Chen

arxiv:2607.03385 v1 · 2026-07-03 · stat.ML · 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{HRQF7SSZ4MLABR7FK66OPYE23C}

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	2026-07-07T02:17:40.677871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c605fca59e31600c7e557bce7e09ad8930c2175d7fc4962d116346b0b3743a5

Aliases

arxiv: 2607.03385 · arxiv_version: 2607.03385v1 · doi: 10.48550/arxiv.2607.03385 · pith_short_12: HRQF7SSZ4MLA · pith_short_16: HRQF7SSZ4MLABR7F · pith_short_8: HRQF7SSZ

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/HRQF7SSZ4MLABR7FK66OPYE23C \
  | 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: 3c605fca59e31600c7e557bce7e09ad8930c2175d7fc4962d116346b0b3743a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dfb63a6a40e879ebd6f7ebe444a17816d74788bfd210ece8096c9584286565a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-07-03T14:40:47Z",
    "title_canon_sha256": "e6792896a4b79293a8c424e3e392a67db8f1b080edd488d9ffa1318c46774528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03385",
    "kind": "arxiv",
    "version": 1
  }
}