Pith Number

pith:QIY24QT3

pith:2026:QIY24QT3QV5EH4R6J6PSCH23UP

not attested not anchored not stored refs pending

Keep Policy Gradient in Charge: Sibling-Guided Credit Distillation for Long-Horizon Tool-Use Agents

Jianhong Xin, Juan Pablo De la Cruz Weinstein, Tianyu Ding

arxiv:2606.12634 v1 · 2026-06-10 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIY24QT3QV5EH4R6J6PSCH23UP}

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	2026-06-12T01:08:41.778270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8231ae427b857a43f23e4f9f211f5ba3efb5561fa1465cfbf060f910afc4587d

Aliases

arxiv: 2606.12634 · arxiv_version: 2606.12634v1 · doi: 10.48550/arxiv.2606.12634 · pith_short_12: QIY24QT3QV5E · pith_short_16: QIY24QT3QV5EH4R6 · pith_short_8: QIY24QT3

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/QIY24QT3QV5EH4R6J6PSCH23UP \
  | 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: 8231ae427b857a43f23e4f9f211f5ba3efb5561fa1465cfbf060f910afc4587d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e81fee06a71b0c0a441a538e5771eacac5a9ef7e75ad0f2bff1d4c736d68ae9a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-10T19:53:20Z",
    "title_canon_sha256": "a8e35800a2aae0b51eacdebd1248f489e3621e245e81dde571aba0cbde253318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12634",
    "kind": "arxiv",
    "version": 1
  }
}