Pith Number

pith:3EFEB6YT

pith:2025:3EFEB6YT7G7SLHPQ2WRNTTEJCU

not attested not anchored not stored refs pending

SPARQ: Synthetic Problem Generation for Reasoning via Quality-Diversity Algorithms

Alex Havrilla, Edward Hughes, Jacob Abernethy, Mikayel Samvelyan

arxiv:2506.06499 v2 · 2025-06-06 · cs.LG · 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{3EFEB6YT7G7SLHPQ2WRNTTEJCU}

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	2026-07-05T11:22:41.537882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d90a40fb13f9bf259df0d5a2d9cc89153c759cc7e7a22fd47d9268b918440da0

Aliases

arxiv: 2506.06499 · arxiv_version: 2506.06499v2 · doi: 10.48550/arxiv.2506.06499 · pith_short_12: 3EFEB6YT7G7S · pith_short_16: 3EFEB6YT7G7SLHPQ · pith_short_8: 3EFEB6YT

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/3EFEB6YT7G7SLHPQ2WRNTTEJCU \
  | 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: d90a40fb13f9bf259df0d5a2d9cc89153c759cc7e7a22fd47d9268b918440da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82185c66330a9db98ffca2a8377aeb8a2faae140dcb219db22a414175d2b88f0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-06T19:49:42Z",
    "title_canon_sha256": "bb9132438c7e385c52625683f46945af34631bde67924ab6b7142048cd2ff6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06499",
    "kind": "arxiv",
    "version": 2
  }
}