ISRC QMDA62442573
Verified recording
QMDA62442573 is “當愛已成往事” by Sandy Lam,
registered on the CopyrightChains blockchain with CopyrightID
0x1f4c62a77b5ccbd06857d66657c138a1c49ff56e64c9394f59757df9b1d7d037 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62442573.
Recording identifiers
- ISRC
- QMDA62442573
- Title
- 當愛已成往事
- Artist
- Sandy Lam
- CopyrightID (CopyrightChains transaction hash)
0x1f4c62a77b5ccbd06857d66657c138a1c49ff56e64c9394f59757df9b1d7d037
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f2dbcc21b721043e0628a8af67a6fb7378722fec9ee8f197eba03975938cc89d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62442573
- Bitcoin block existence check
- https://blockstream.info/api/block/956304