Pith Number

pith:PSXYRGKT

pith:2026:PSXYRGKT3E7EH76W45H6Q7HCFQ

not attested not anchored not stored refs pending

HPG-Diff: Hierarchical physics-guided diffusion with differentiable connectivity constraints for topology optimization

Boyuan Zhang, Jinbo Yang, Mingyue Yuan, Shikai Jing, Yoshifumi Kitamura

arxiv:2607.07233 v1 · 2026-07-08 · cs.LG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSXYRGKT3E7EH76W45H6Q7HCFQ}

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	2026-07-09T01:20:18.434263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7caf889953d93e43ffd6e74fe87ce22c2a32b470a19ae3093f841d54db4532d3

Aliases

arxiv: 2607.07233 · arxiv_version: 2607.07233v1 · doi: 10.48550/arxiv.2607.07233 · pith_short_12: PSXYRGKT3E7E · pith_short_16: PSXYRGKT3E7EH76W · pith_short_8: PSXYRGKT

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/PSXYRGKT3E7EH76W45H6Q7HCFQ \
  | 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: 7caf889953d93e43ffd6e74fe87ce22c2a32b470a19ae3093f841d54db4532d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d463e5e62fd5617f77dcdf8044ef519d501147dcb16c90afbda92c892182a01",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-08T10:15:20Z",
    "title_canon_sha256": "ece96d5a59f17f5c1435c3e4637ad8bfe7d42ccc42cc2bf680b63a09d86f0ed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07233",
    "kind": "arxiv",
    "version": 1
  }
}