Pith Number

pith:TZMOVYZR

pith:2026:TZMOVYZRD5QC3G3XPMFFF6WJTE

not attested not anchored not stored refs pending

Spec-Driven Hardware Evolution via Executable Contract Refinement and Proof-Guided RTL Update

Baoqi Zhang, Binwu Zhu, Hao Yan, Kezhi Li, Mengxia Tao, Min Li, Qiang Xu, Shibo Zhao, Yang Zhang

arxiv:2608.12684 v1 · 2026-08-13 · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZMOVYZRD5QC3G3XPMFFF6WJTE}

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	2026-08-14T00:46:46.864182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e58eae3311f602d9b777b0a52fac9991c220f63635d422a48110964ef6bad67

Aliases

arxiv: 2608.12684 · arxiv_version: 2608.12684v1 · doi: 10.48550/arxiv.2608.12684 · pith_short_12: TZMOVYZRD5QC · pith_short_16: TZMOVYZRD5QC3G3X · pith_short_8: TZMOVYZR

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/TZMOVYZRD5QC3G3XPMFFF6WJTE \
  | 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: 9e58eae3311f602d9b777b0a52fac9991c220f63635d422a48110964ef6bad67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8567aa6f7fe4d47f018419cbf933df74b6bd9b323cbb1ddc513550ee9ad425d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2026-08-13T01:02:39Z",
    "title_canon_sha256": "1b8eb2a671c56d4ca66c82097d9313c565501e4350f0e67dac859a2b61514968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12684",
    "kind": "arxiv",
    "version": 1
  }
}