Pith Number

pith:QBRS2F2J

pith:2025:QBRS2F2JP37K4EKMJJFH4WUUVI

not attested not anchored not stored refs pending

Pruning for Sparse Diffusion Models based on Gradient Flow

Ben Wan, Jia Wang, Tianyi Zheng, Yuxiao Wang, Zhaoyu Chen

arxiv:2501.09464 v1 · 2025-01-16 · 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{QBRS2F2JP37K4EKMJJFH4WUUVI}

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	2026-07-05T10:01:47.466268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80632d17497efeae114c4a4a7e5a94aa169ee611ae550c27c9847a23ad8734de

Aliases

arxiv: 2501.09464 · arxiv_version: 2501.09464v1 · doi: 10.48550/arxiv.2501.09464 · pith_short_12: QBRS2F2JP37K · pith_short_16: QBRS2F2JP37K4EKM · pith_short_8: QBRS2F2J

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/QBRS2F2JP37K4EKMJJFH4WUUVI \
  | 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: 80632d17497efeae114c4a4a7e5a94aa169ee611ae550c27c9847a23ad8734de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adbf99b4c661370b414b5362880f987f6da206c7969799ab9f6d728762f73470",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-16T10:55:05Z",
    "title_canon_sha256": "8d421c10dc3ad6c657b52d6f7b1844cd3f1d86b66c14bcbba9e082504e72f342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09464",
    "kind": "arxiv",
    "version": 1
  }
}