Pith Number

pith:VMJYBYCR

pith:2019:VMJYBYCROGQP3Q5XAYCUTIYPCX

not attested not anchored not stored refs pending

Exploiting Hierarchy for Learning and Transfer in KL-regularized RL

Alexandre Galashov, Arun Ahuja, Dhruva Tirumala, Greg Wayne, Hyeonwoo Noh, Leonard Hasenclever, Nicolas Heess, Razvan Pascanu, Yee Whye Teh

arxiv:1903.07438 v2 · 2019-03-18 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMJYBYCROGQP3Q5XAYCUTIYPCX}

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	2026-07-05T00:35:18.685324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab1380e05171a0fdc3b7060549a30f15d17e07402b82d8e41002b37495581989

Aliases

arxiv: 1903.07438 · arxiv_version: 1903.07438v2 · doi: 10.48550/arxiv.1903.07438 · pith_short_12: VMJYBYCROGQP · pith_short_16: VMJYBYCROGQP3Q5X · pith_short_8: VMJYBYCR

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/VMJYBYCROGQP3Q5XAYCUTIYPCX \
  | 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: ab1380e05171a0fdc3b7060549a30f15d17e07402b82d8e41002b37495581989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "042e1b7bc75442719eaed9358a46ff4075620c1a9c3aa145cf32bb79af2cdaed",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-18T13:43:12Z",
    "title_canon_sha256": "8e579370d0c6344473f31eac05d1d7a7578bda323f604ddb82b9b15c6d7fc0d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07438",
    "kind": "arxiv",
    "version": 2
  }
}