Pith Number

pith:RHH4BRIG

pith:2026:RHH4BRIGFNBNVTSQ6AJWNPWQBL

not attested not anchored not stored refs pending

PAC-ACT: Post-training Actor-Critic for Action Chunking Transformers

Yujie Pang, Zudong Li

arxiv:2607.09590 v1 · 2026-07-10 · cs.RO · 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{RHH4BRIGFNBNVTSQ6AJWNPWQBL}

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	2026-07-13T01:20:22.191953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89cfc0c5062b42dace50f01366bed00adc10998b7ceadef3e7ae09e000438f4f

Aliases

arxiv: 2607.09590 · arxiv_version: 2607.09590v1 · doi: 10.48550/arxiv.2607.09590 · pith_short_12: RHH4BRIGFNBN · pith_short_16: RHH4BRIGFNBNVTSQ · pith_short_8: RHH4BRIG

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/RHH4BRIGFNBNVTSQ6AJWNPWQBL \
  | 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: 89cfc0c5062b42dace50f01366bed00adc10998b7ceadef3e7ae09e000438f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e31f93112e9535575c5170208a7f78b5af7de5e6d228b68699081a5827c2a3b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-07-10T16:42:17Z",
    "title_canon_sha256": "0538494fc3cf029c63e7fce7d397d052c8420bbc49e8444f139b584d62184296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09590",
    "kind": "arxiv",
    "version": 1
  }
}