把你的算力登记进 CVIN

curl -X POST https://cvin.org/v1/declare \
  -H 'content-type: application/json' \
  -H 'x-api-key: cvink_你的运营方密钥' \
  -d '{
    "cvin": "cvin:nv.h100.sxm.80g:6a1kfvdo43buqm34",
    "operator": "your-cloud-name",
    "region": "apac-sg",
    "cluster_size": 256,
    "source_url": "https://your-site.com/fleet/h100"
  }'

pip install cryptography
printf 'SN-H100-001\nSN-H100-002\nSN-H100-003\n' > serials.txt
# 改 cvin_onboard.py 顶部 CONFIG：base / operator / region / api_key
python3 cvin_onboard.py

共 7 台待登记，已有 0 把设备密钥

[1/7] cvin:nv.h100.sxm.80g:4m9cmvze0vlh9fnx  ✓ 已登记，身份 L2，证书 https://cvin.org/r/cvin:nv.h100.sxm.80g:4m9cmvze0vlh9fnx
...
完成：成功 7 / 失败 0
设备私钥已存 device_keys.json —— 务必备份，丢了无法重建（服务端不允许换密钥）

import hashlib, re
B36 = "0123456789abcdefghijklmnopqrstuvwxyz"

def norm_serial(s):
    s = re.sub(r"[\s_\-./:#]+", "", str(s).strip().lower())
    return re.sub(r"^(sn|s/n|serial|serialno)", "", s)

def serial_hash(serial, n=16):
    h = hashlib.sha256(norm_serial(serial).encode()).hexdigest()
    x, out = int(h, 16), ""
    while x:
        x, r = divmod(x, 36)
        out = B36[r] + out
    return out[:n].ljust(n, "0")

# 下面 4 种写法都得到同一个结果 6bw5zi5393srzm4v
for sn in ["SN-H100-001", "sn_h100_001", "  H100 001  ", "serialH100001"]:
    print(serial_hash(sn))

import base64, hashlib, json, time
from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
from cryptography.hazmat.primitives import serialization

def canon(v):                       # 键排序、无空格、数组保序 —— 与服务端逐字节一致
    if not isinstance(v, (dict, list)):
        return json.dumps(v, separators=(",", ":"), ensure_ascii=False)
    if isinstance(v, list):
        return "[" + ",".join(canon(x) for x in v) + "]"
    return "{" + ",".join(json.dumps(k, ensure_ascii=False) + ":" + canon(v[k])
                          for k in sorted(v)) + "}"

sk  = Ed25519PrivateKey.generate()
pub = sk.public_key().public_bytes(
        serialization.Encoding.PEM,
        serialization.PublicFormat.SubjectPublicKeyInfo).decode()

CVIN = "cvin:nv.h100.sxm.80g:6bw5zi5393srzm4v"
AT   = time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime())
T    = {"hours_power_on": 12480, "ecc_errors": 2, "temp_c": 61}

msg = hashlib.sha256(canon({"cvin": CVIN, "observed_at": AT, "telemetry": T}).encode()).hexdigest()
sig = base64.b64encode(sk.sign(msg.encode())).decode()

# 把 CVIN / AT / T / pub / sig 一起 POST 到 /v1/attest，即完成 L2 签名证明

<a href="https://cvin.org/r/cvin%3Anv.h100.sxm.80g%3A6a1kfvdo43buqm34" target="_blank" rel="noopener">
  <img src="https://cvin.org/badge/cvin%3Anv.h100.sxm.80g%3A6a1kfvdo43buqm34.svg"
       alt="CVIN 已登记 · 机况可核验" width="340" height="72" loading="lazy">
</a>