Pith Number

pith:3PN7E4T4

pith:2025:3PN7E4T45PHV2Y237OKYUQD2DH

not attested not anchored not stored refs pending

Optimal Policy Adaptation under Covariate Shift

Peng Wu, Qinwei Yang, Ruocheng Guo, Xueqing Liu, Zhaoqing Tian

arxiv:2501.08067 v2 · 2025-01-14 · 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{3PN7E4T45PHV2Y237OKYUQD2DH}

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	2026-07-05T11:04:20.820176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdbf2727cebcf5d635bfb958a407a19ef7bc83a89148a9965b46b6c6a643709

Aliases

arxiv: 2501.08067 · arxiv_version: 2501.08067v2 · doi: 10.48550/arxiv.2501.08067 · pith_short_12: 3PN7E4T45PHV · pith_short_16: 3PN7E4T45PHV2Y23 · pith_short_8: 3PN7E4T4

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/3PN7E4T45PHV2Y237OKYUQD2DH \
  | 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: dbdbf2727cebcf5d635bfb958a407a19ef7bc83a89148a9965b46b6c6a643709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "871c162283bb0318a235be38a7a7ac69c76f2e3bae1b69a1ae453f9157ac079d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-14T12:33:02Z",
    "title_canon_sha256": "82befe0f14b38291ee412ccd9eb2dfd7b58143e152c6a3efb7d2b4ccb41af74e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.08067",
    "kind": "arxiv",
    "version": 2
  }
}