Pith Number

pith:4Q5TQJSZ

pith:2026:4Q5TQJSZNSKTJX5SDDJ3EZAOS2

not attested not anchored not stored refs pending

Mat-Pref: Verifiable-Reward Training Improves Compositional Reasoning in Inorganic Materials

Jeongbin Park, Sarrah R. Mikhail Leung, Taehan Kim

arxiv:2606.21830 v1 · 2026-06-20 · 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{4Q5TQJSZNSKTJX5SDDJ3EZAOS2}

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	2026-06-23T02:13:00.249687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43b3826596c9534dfb218d3b2640e96a729c545c4b9b501bca9d0e23d330e93

Aliases

arxiv: 2606.21830 · arxiv_version: 2606.21830v1 · doi: 10.48550/arxiv.2606.21830 · pith_short_12: 4Q5TQJSZNSKT · pith_short_16: 4Q5TQJSZNSKTJX5S · pith_short_8: 4Q5TQJSZ

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/4Q5TQJSZNSKTJX5SDDJ3EZAOS2 \
  | 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: e43b3826596c9534dfb218d3b2640e96a729c545c4b9b501bca9d0e23d330e93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde437d376fb0b255194f3bc9f890a771f84d1791cf3c185562c9b2fa97be7b8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-20T01:46:41Z",
    "title_canon_sha256": "537ee2385859d77f18edd5c086f1a611661c35ce8fdeb98e20b4a7f451a970d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21830",
    "kind": "arxiv",
    "version": 1
  }
}