Pith Number

pith:VGAUTTP2

pith:2022:VGAUTTP2WKC7BR7UR66NX5NNS4

not attested not anchored not stored refs pending

A Temporal-Difference Approach to Policy Gradient Estimation

Andrew Patterson, A. Rupam Mahmood, Martha White, Samuele Tosatto

arxiv:2202.02396 v4 · 2022-02-04 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGAUTTP2WKC7BR7UR66NX5NNS4}

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	2026-07-05T04:38:13.802397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a98149cdfab285f0c7f48fbcdbf5ad9717299a6fd38cfb4c9c535957ab837f39

Aliases

arxiv: 2202.02396 · arxiv_version: 2202.02396v4 · doi: 10.48550/arxiv.2202.02396 · pith_short_12: VGAUTTP2WKC7 · pith_short_16: VGAUTTP2WKC7BR7U · pith_short_8: VGAUTTP2

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/VGAUTTP2WKC7BR7UR66NX5NNS4 \
  | 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: a98149cdfab285f0c7f48fbcdbf5ad9717299a6fd38cfb4c9c535957ab837f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4abc957b3621fc93bfd7eb12d3eff1f055e74b0c3f609cc421e2bf9b07ab187e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-04T21:23:33Z",
    "title_canon_sha256": "61423959c0216d14d6c58f4417f0bfc5479f9b5271844e8664e61224258f3e39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.02396",
    "kind": "arxiv",
    "version": 4
  }
}