Pith Number

pith:QG73PAQQ

pith:2026:QG73PAQQNDAGGRAW7OS52PNLUV

not attested not anchored not stored refs pending

Hierarchical Soft Actor-Critic for Sparse-Reward Long-Horizon Reinforcement Learning

Afef Hfaiedh, Giansalvo Cirrincione, Issmail Ellabib, Nahla Khraief, Zahra Abdalla Elashaal

arxiv:2607.23726 v1 · 2026-07-26 · cs.RO · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QG73PAQQNDAGGRAW7OS52PNLUV}

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	2026-07-28T01:23:07.786884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81bfb7821068c0634416fba5dd3daba559c1df1c02a3a010a884a2baa9afe49e

Aliases

arxiv: 2607.23726 · arxiv_version: 2607.23726v1 · doi: 10.48550/arxiv.2607.23726 · pith_short_12: QG73PAQQNDAG · pith_short_16: QG73PAQQNDAGGRAW · pith_short_8: QG73PAQQ

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/QG73PAQQNDAGGRAW7OS52PNLUV \
  | 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: 81bfb7821068c0634416fba5dd3daba559c1df1c02a3a010a884a2baa9afe49e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71deee7e94c3b44f9a41628fcf3195ee82ab50df45ad8d0b5e0272896d7a3fda",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-07-26T15:41:52Z",
    "title_canon_sha256": "c3c82be95debc9987ca04a7ca744e90e5b00095c0f1d842d83cb1b5a1ff85652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23726",
    "kind": "arxiv",
    "version": 1
  }
}