Pith Number

pith:H27TQUZO

pith:2018:H27TQUZOOL3AW6KIALNX6RXEOL

not attested not anchored not stored refs pending

GPU Based Parallel Ising Computing for Combinatorial Optimization Problems in VLSI Physical Design

Chase Cook, Hengyang Zhao, Masayuki Hiromoto, Sheldon X.-D. Tan, Takashi Sato

arxiv:1807.10750 v2 · 2018-07-27 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H27TQUZOOL3AW6KIALNX6RXEOL}

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	2026-05-17T23:51:14.389577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebf38532e72f60b794802db7f46e472d1cfb40b88c3aa2794cce8741b54f4f3

Aliases

arxiv: 1807.10750 · arxiv_version: 1807.10750v2 · doi: 10.48550/arxiv.1807.10750 · pith_short_12: H27TQUZOOL3A · pith_short_16: H27TQUZOOL3AW6KI · pith_short_8: H27TQUZO

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/H27TQUZOOL3AW6KIALNX6RXEOL \
  | 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: 3ebf38532e72f60b794802db7f46e472d1cfb40b88c3aa2794cce8741b54f4f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca00aab81f1acfce4ae2cf0a94f31989a7cca8c2df2ce4706929a7208783456f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-07-27T22:22:27Z",
    "title_canon_sha256": "c76c6aa40560336a65f01ac7a6ce2df79e78a4c5a7f3347134730a7687784fb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10750",
    "kind": "arxiv",
    "version": 2
  }
}