Pith Number

pith:SGPRMKKC

pith:2025:SGPRMKKCRS4TXFCH53O6FHYKVB

not attested not anchored not stored refs pending

PB$^2$: Preference Space Exploration via Population-Based Methods in Preference-Based Reinforcement Learning

Alex Davey, Brahim Driss, Riad Akrour

arxiv:2506.13741 v1 · 2025-06-16 · cs.AI · 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{SGPRMKKCRS4TXFCH53O6FHYKVB}

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	2026-07-05T11:22:25.905341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

919f1629428cb93b9447eedde29f0aa841ab5a07d1704becfd064e99c3d79991

Aliases

arxiv: 2506.13741 · arxiv_version: 2506.13741v1 · doi: 10.48550/arxiv.2506.13741 · pith_short_12: SGPRMKKCRS4T · pith_short_16: SGPRMKKCRS4TXFCH · pith_short_8: SGPRMKKC

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/SGPRMKKCRS4TXFCH53O6FHYKVB \
  | 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: 919f1629428cb93b9447eedde29f0aa841ab5a07d1704becfd064e99c3d79991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac49fc9c03b5c8d1b5a3aafd699082a72a7e8eb65446956599f1aa44188a7113",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-06-16T17:51:33Z",
    "title_canon_sha256": "94120c3ee96eb4a4e656ed2d1e354d30857003bf009de86148347fb646a0ce31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13741",
    "kind": "arxiv",
    "version": 1
  }
}