Pith Number

pith:4MXN7UML

pith:2023:4MXN7UML4KTMIUVAT2DPSQAPLC

not attested not anchored not stored refs pending

Learning in POMDPs is Sample-Efficient with Hindsight Observability

Alekh Agarwal, Christoph Dann, Jonathan N. Lee, Tong Zhang

arxiv:2301.13857 v2 · 2023-01-31 · cs.LG · cs.AI · 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{4MXN7UML4KTMIUVAT2DPSQAPLC}

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	2026-07-05T05:38:46.830696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e32edfd18be2a6c452a09e86f9400f588ced8aac9e11128caae406f899b0dd54

Aliases

arxiv: 2301.13857 · arxiv_version: 2301.13857v2 · doi: 10.48550/arxiv.2301.13857 · pith_short_12: 4MXN7UML4KTM · pith_short_16: 4MXN7UML4KTMIUVA · pith_short_8: 4MXN7UML

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/4MXN7UML4KTMIUVAT2DPSQAPLC \
  | 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: e32edfd18be2a6c452a09e86f9400f588ced8aac9e11128caae406f899b0dd54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63507b7a6f4f499361b46de3aefaadedd973547866fbc8598af7b13d5ccfa4c1",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-31T18:54:36Z",
    "title_canon_sha256": "84ac05a6a1c37a98184bc3e154ed13c67abd4916a887c5fd2a87cf7f745e488b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13857",
    "kind": "arxiv",
    "version": 2
  }
}