Pith Number

pith:5DRGBRK6

pith:2026:5DRGBRK6WIAG7LVYJ2TWTS5E5M

not attested not anchored not stored refs pending

RetroReasoner: A Reasoning LLM for Strategic Retrosynthesis Prediction

Chanhui Lee, Hanbum Ko, Rodrigo Hormazabal, Sehui Han, Sungbin Lim, Sungwoong Kim, Ye Rin Kim

arxiv:2603.12666 v2 · 2026-03-13 · 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{5DRGBRK6WIAG7LVYJ2TWTS5E5M}

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	2026-06-09T01:05:15.952919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e260c55eb2006faeb84ea769cba4eb3ee32bfc24233dbebf4b001d39563369

Aliases

arxiv: 2603.12666 · arxiv_version: 2603.12666v2 · doi: 10.48550/arxiv.2603.12666 · pith_short_12: 5DRGBRK6WIAG · pith_short_16: 5DRGBRK6WIAG7LVY · pith_short_8: 5DRGBRK6

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/5DRGBRK6WIAG7LVYJ2TWTS5E5M \
  | 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: e8e260c55eb2006faeb84ea769cba4eb3ee32bfc24233dbebf4b001d39563369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ada65bd58bd73f46a64c98c0130631f8da1fdcae4e9a5c0dea26926590f1ce",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-13T05:20:56Z",
    "title_canon_sha256": "d933ceaead7b224d073ace3ec52f4571052c0bc18f8a4353bfbd45ef23241cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.12666",
    "kind": "arxiv",
    "version": 2
  }
}