Pith Number

pith:64SITWJ2

pith:2026:64SITWJ2JLBD4XVHSUUTCDNNCM

not attested not anchored not stored refs pending

Jointly Learning Predicates and Actions Enables Zero-Shot Skill Composition

Benedict Quartey, Eric Rosen, George Konidaris, Sebastian Castro, Stefanie Tellex, Wil Thomason

arxiv:2605.20648 v1 · 2026-05-20 · 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{64SITWJ2JLBD4XVHSUUTCDNNCM}

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	2026-05-21T01:04:46.877238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f72489d93a4ac23e5ea79529310dad132880801d8938550c8f76a3298646901f

Aliases

arxiv: 2605.20648 · arxiv_version: 2605.20648v1 · doi: 10.48550/arxiv.2605.20648 · pith_short_12: 64SITWJ2JLBD · pith_short_16: 64SITWJ2JLBD4XVH · pith_short_8: 64SITWJ2

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/64SITWJ2JLBD4XVHSUUTCDNNCM \
  | 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: f72489d93a4ac23e5ea79529310dad132880801d8938550c8f76a3298646901f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e0488ea2a27797e032dedf05d0655069634f1d3d0a9eaf83ac1949cbb39ed9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-05-20T03:09:41Z",
    "title_canon_sha256": "5c995f86cd910e6e4ac140b671fd50cbf6d5355500c1ca52c5d6037d08253ad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20648",
    "kind": "arxiv",
    "version": 1
  }
}