AM2634: Non volatile ID unique to each chip

I am looking for a way to pull a unique TI number - be it serial number or anything else - that is unique between processors and exists between power cycles.

I found this blog post answered a couple years ago - https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1330894/am2634-reading-processor-version-and-identification-information

But when I read out the numbers between two different dev kits, both dev kits reported the same numbers.

I tried the following from "Table 2-929. TOP_CTRL Registers, Base Address=50D8 0000h, Length=4096" of https://www.ti.com/lit/ug/spruj42e/spruj42e.pdf?ts=1756786931208 

10h 32 TOP_CTRL_EFUSE_DIEID0 50D8 0010h
14h 32 TOP_CTRL_EFUSE_DIEID1 50D8 0014h
18h 32 TOP_CTRL_EFUSE_DIEID2 50D8 0018h
1Ch 32 TOP_CTRL_EFUSE_DIEID3 50D8 001Ch
20h 32 TOP_CTRL_EFUSE_UID0 50D8 0020h
24h 32 TOP_CTRL_EFUSE_UID1 50D8 0024h
28h 32 TOP_CTRL_EFUSE_UID2 50D8 0028h
2Ch 32 TOP_CTRL_EFUSE_UID3 50D8 002Ch
30h 32 TOP_CTRL_EFUSE_DEVICE_TYPE 50D8 0030h
34h 32 TOP_CTRL_EFUSE_FROM0_CHECKSUM 50D8 0034h
38h 32 TOP_CTRL_EFUSE_JTAG_USERCODE_ID 50D8 0038h

std::array<uint8_t, 8> get_hardware_id() {
    uint32_t mac_id0 = HW_RD_REG32_RAW(CSL_TOP_CTRL_MAC_ID0);
    uint32_t mac_id1 = HW_RD_REG32_RAW(CSL_TOP_CTRL_MAC_ID1);
    return { (uint8_t)(mac_id0 >> 0), (uint8_t)(mac_id0 >> 8), (uint8_t)(mac_id0 >> 16), (uint8_t)(mac_id0 >> 24),
             (uint8_t)(mac_id1 >> 0), (uint8_t)(mac_id1 >> 8), (uint8_t)(mac_id1 >> 16), (uint8_t)(mac_id1 >> 24),
             };
}

std::array<uint8_t, 16> get_hardware_id() {

    uint32_t uid0 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_UID0);

    uint32_t uid1 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_UID1);

    uint32_t uid2 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_UID2);

    uint32_t uid3 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_UID3);

    return { (uint8_t)(uid0 >> 0), (uint8_t)(uid0 >> 8), (uint8_t)(uid0 >> 16), (uint8_t)(uid0 >> 24),

             (uint8_t)(uid1 >> 0), (uint8_t)(uid1 >> 8), (uint8_t)(uid1 >> 16), (uint8_t)(uid1 >> 24),

             (uint8_t)(uid2 >> 0), (uint8_t)(uid2 >> 8), (uint8_t)(uid2 >> 16), (uint8_t)(uid2 >> 24),

             (uint8_t)(uid3 >> 0), (uint8_t)(uid3 >> 8), (uint8_t)(uid3 >> 16), (uint8_t)(uid3 >> 24) };

}

std::array<uint8_t, 16> get_hardware_id() {

    uint32_t uid0 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_DIEID0);

    uint32_t uid1 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_DIEID1);

    uint32_t uid2 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_DIEID2);

    uint32_t uid3 = HW_RD_REG32_RAW(CSL_TOP_CTRL_EFUSE_DIEID3);

    return { (uint8_t)(uid0 >> 0), (uint8_t)(uid0 >> 8), (uint8_t)(uid0 >> 16), (uint8_t)(uid0 >> 24),

             (uint8_t)(uid1 >> 0), (uint8_t)(uid1 >> 8), (uint8_t)(uid1 >> 16), (uint8_t)(uid1 >> 24),

             (uint8_t)(uid2 >> 0), (uint8_t)(uid2 >> 8), (uint8_t)(uid2 >> 16), (uint8_t)(uid2 >> 24),

             (uint8_t)(uid3 >> 0), (uint8_t)(uid3 >> 8), (uint8_t)(uid3 >> 16), (uint8_t)(uid3 >> 24) };

}

Do you know what register I can pull, or better yet what API function I can use, to get a unique id from chip to chip that is consistent through power cycles?