Pith Number

pith:NDKWDS7E

pith:2021:NDKWDS7EIAT72WT2CDXCGBQDUB

not attested not anchored not stored refs pending

Semi-On-Policy Training for Sample Efficient Multi-Agent Policy Gradients

Bei Peng, Bozhidar Vasilev, Shimon Whiteson, Tarun Gupta

arxiv:2104.13446 v2 · 2021-04-27 · cs.LG · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDKWDS7EIAT72WT2CDXCGBQDUB}

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	2026-07-05T02:38:09.620554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d561cbe44027fd5a7a10ee230603a07a9bedab4faa5ef320fab93b373d7160

Aliases

arxiv: 2104.13446 · arxiv_version: 2104.13446v2 · doi: 10.48550/arxiv.2104.13446 · pith_short_12: NDKWDS7EIAT7 · pith_short_16: NDKWDS7EIAT72WT2 · pith_short_8: NDKWDS7E

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/NDKWDS7EIAT72WT2CDXCGBQDUB \
  | 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: 68d561cbe44027fd5a7a10ee230603a07a9bedab4faa5ef320fab93b373d7160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7928971303258b289c3c2b9c9a2d201ccfeca94748487256552e8f8f8736ca1e",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-27T19:37:01Z",
    "title_canon_sha256": "20281de520c13844c317b32224b06a6910c72aab76be10c4cee1a7a2b22d249f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13446",
    "kind": "arxiv",
    "version": 2
  }
}