Pith Number

pith:BRR7PRWX

pith:2025:BRR7PRWXB3DR2MKMBSAWIDX5WU

not attested not anchored not stored refs pending

SparseMap: A Sparse Tensor Accelerator Framework Based on Evolution Strategy

Boran Zhao, Haiming Zhai, Hetian Liu, Pengju Ren, Tian Xia, Wenzhe Zhao, Zihang Yuan

arxiv:2508.12906 v1 · 2025-08-18 · 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{BRR7PRWXB3DR2MKMBSAWIDX5WU}

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	2026-07-05T11:55:29.099272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c63f7c6d70ec71d314c0c81640efdb514f387cf24c076a5256cf958ab8676dc

Aliases

arxiv: 2508.12906 · arxiv_version: 2508.12906v1 · doi: 10.48550/arxiv.2508.12906 · pith_short_12: BRR7PRWXB3DR · pith_short_16: BRR7PRWXB3DR2MKM · pith_short_8: BRR7PRWX

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/BRR7PRWXB3DR2MKMBSAWIDX5WU \
  | 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: 0c63f7c6d70ec71d314c0c81640efdb514f387cf24c076a5256cf958ab8676dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473cd956b5c8e1e8797fd4acf6581be980d12c0840c3b4bc6e146b1dabe2cad5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-18T13:13:30Z",
    "title_canon_sha256": "90496baf79e33f334abddf4ad3cd2efdb27f11fccd1413e13532ae6f1c50ba9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12906",
    "kind": "arxiv",
    "version": 1
  }
}