Pith Number

pith:SG2TPGUP

pith:2018:SG2TPGUPUWNNYI7GEXZ3LRPH4Q

not attested not anchored not stored refs pending

Hierarchical Reinforcement Learning with Hindsight

Andrew Levy, Kate Saenko, Robert Platt

arxiv:1805.08180 v2 · 2018-05-21 · cs.LG · cs.AI · cs.NE · cs.RO · 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{SG2TPGUPUWNNYI7GEXZ3LRPH4Q}

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	2026-05-17T23:51:49.396603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b5379a8fa59adc23e625f3b5c5e7e42f6ac13740b5110595fbaaf2a4887536

Aliases

arxiv: 1805.08180 · arxiv_version: 1805.08180v2 · doi: 10.48550/arxiv.1805.08180 · pith_short_12: SG2TPGUPUWNN · pith_short_16: SG2TPGUPUWNNYI7G · pith_short_8: SG2TPGUP

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/SG2TPGUPUWNNYI7GEXZ3LRPH4Q \
  | 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: 91b5379a8fa59adc23e625f3b5c5e7e42f6ac13740b5110595fbaaf2a4887536

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09dbaab3a164cde0fccaf8312156238f36c31da5750ed9a5e299d4bb6a2040a5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE",
      "cs.RO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-21T17:02:53Z",
    "title_canon_sha256": "baff8a8cfffef663deaf3d0800a942be7889857fa6c72805b81b965ea4e313f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08180",
    "kind": "arxiv",
    "version": 2
  }
}