Pith Number

pith:FPQAFWEN

pith:2021:FPQAFWEN7L5IXRQ7U3BX4IGCUF

not attested not anchored not stored refs pending

Reinforcement Learning with Prototypical Representations

Alessandro Lazaric, Denis Yarats, Lerrel Pinto, Rob Fergus

arxiv:2102.11271 v2 · 2021-02-22 · 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{FPQAFWEN7L5IXRQ7U3BX4IGCUF}

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	2026-07-05T02:59:15.547243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2be002d88dfafa8bc61fa6c37e20c2a17cbf63d38b8d40b7c0148b011b5d6596

Aliases

arxiv: 2102.11271 · arxiv_version: 2102.11271v2 · doi: 10.48550/arxiv.2102.11271 · pith_short_12: FPQAFWEN7L5I · pith_short_16: FPQAFWEN7L5IXRQ7 · pith_short_8: FPQAFWEN

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/FPQAFWEN7L5IXRQ7U3BX4IGCUF \
  | 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: 2be002d88dfafa8bc61fa6c37e20c2a17cbf63d38b8d40b7c0148b011b5d6596

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c605241d918ab25416a5a8d2c557d20020e8cc3b2867b385525ddc63500b80",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-22T18:56:34Z",
    "title_canon_sha256": "a8e4c56c375d7a6542aaf8906655ba274ff2ceab3cafc12a45c645d3f731ba6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11271",
    "kind": "arxiv",
    "version": 2
  }
}