Pith Number

pith:7BP3E5UI

pith:2025:7BP3E5UIBZ7U75BXLK6OU4XOAI

not attested not anchored not stored refs pending

HARDMath2: A Benchmark for Applied Mathematics Built by Students as Part of a Graduate Class

Ahmed Roman, Alexander Dazhen Cai, Andrea Elizabeth Biju, Anne Mykland, Anton Marius Graf, Arjun Nageswaran, Ava Williamson, David Brown, David Ettel, Duy Thuc Nguyen, Egemen Bostan, Ekaterina S. Ivshina, Erik Y. Wang, Felix Yeung, Hongyu Liao, Isabella A. Silveira, James V. Roggeveen, Jorge Garc\'ia Ponce, Kacper K. Migacz, Kelly Werker Smith, Kennan Gumbs, Lavon Sykes, Logan G. Wilson, Lucas Martin, Lucy S. Nathwani, Luke Zhu, Mai Hoang, Marc L. Descoteaux, Matthew Scott Tan, Michael P. Brenner, Miguel Fernandez, Minjae Kim, Nickholas Gutierrez, Peter Donets, Raglan Ward, Russell Yang, Shida Liu, Siddharth Dandavate, Will Flintoft, William Fredenberg, Yijun Wang, Yiming Chen, Yixing Tang, Yuyang Chen, Zhe He

arxiv:2505.11774 v1 · 2025-05-17 · 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{7BP3E5UIBZ7U75BXLK6OU4XOAI}

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.

Cited by

2 papers in Pith

LLaDA2.0: Scaling Up Diffusion Language Models to 100B

GRAFT-ATHENA: Self-Improving Agentic Teams for Autonomous Discovery and Evolutionary Numerical Algorithms

Receipt and verification

First computed	2026-07-05T11:04:26.482667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85fb276880e7f4ff4375abcea72ee022fbd10259322422bdfe419c03d573577

Aliases

arxiv: 2505.11774 · arxiv_version: 2505.11774v1 · doi: 10.48550/arxiv.2505.11774 · pith_short_12: 7BP3E5UIBZ7U · pith_short_16: 7BP3E5UIBZ7U75BX · pith_short_8: 7BP3E5UI

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/7BP3E5UIBZ7U75BXLK6OU4XOAI \
  | 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: f85fb276880e7f4ff4375abcea72ee022fbd10259322422bdfe419c03d573577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa21e6e945e5884b0afe9b05875d3e603e2dcca3326336bbf20f0afed82f7974",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-17T00:52:49Z",
    "title_canon_sha256": "0e178b0c3215ce05b6f81b72e0010c407bbdf89da7f4fda19b717d6ef2f5580f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11774",
    "kind": "arxiv",
    "version": 1
  }
}