Pith Number

pith:B2DP64MX

pith:2026:B2DP64MXI3Q3R7OCT32C6CSTJN

not attested not anchored not stored refs pending

When Single Answer Is Not Enough: Rethinking Single-Step Retrosynthesis Benchmarks for LLMs

Alex Aliper, Alex Zhavoronkov, Bogdan Zagribelnyy, Ivan Ilin, Maksim Kuznetsov, Mathieu Reymond, Mikolaj Mizera, Nikita Bondarev, Rim Shayakhmetov, Roman Schutski, Thomas MacDougall, Vladimir Aladinskiy, Zulfat Miftakhutdinov

arxiv:2602.03554 v2 · 2026-02-03 · cs.LG · cs.AI · cs.CE · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2DP64MXI3Q3R7OCT32C6CSTJN}

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	2026-06-02T01:03:42.303778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e86ff719746e1b8fdc29ef42f0a534b7744010ff7d6775c2d972132f83d7066

Aliases

arxiv: 2602.03554 · arxiv_version: 2602.03554v2 · doi: 10.48550/arxiv.2602.03554 · pith_short_12: B2DP64MXI3Q3 · pith_short_16: B2DP64MXI3Q3R7OC · pith_short_8: B2DP64MX

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/B2DP64MXI3Q3R7OCT32C6CSTJN \
  | 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: 0e86ff719746e1b8fdc29ef42f0a534b7744010ff7d6775c2d972132f83d7066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b72ea6b149f86dfaada50ba1facbdfea44f1f56f06b1e7bc5e9695a1ea1c663",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CE",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-03T14:03:32Z",
    "title_canon_sha256": "ac32bc514838d143d1784e016ed9d1e507f2a04fa7c8f5e01150d45928b0fa97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03554",
    "kind": "arxiv",
    "version": 2
  }
}