ISRC QZGCD1807479
Verified recording
QZGCD1807479 is “Dĩ Vãng” by Trịnh Nam Sơn,
registered on the CopyrightChains blockchain with CopyrightID
0x2cdd31eeaff2967a4c4a586cf3312eb1580073cf165ba53b36c95dd99000b70e and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1807479.
Recording identifiers
- ISRC
- QZGCD1807479
- Title
- Dĩ Vãng
- Artist
- Trịnh Nam Sơn
- CopyrightID (CopyrightChains transaction hash)
0x2cdd31eeaff2967a4c4a586cf3312eb1580073cf165ba53b36c95dd99000b70e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:f3b31ac7a703495efaae87ad943cbca758e3dcac35a6e2a6a4916c2e0d1b9f3a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1807479
- Bitcoin block existence check
- https://blockstream.info/api/block/953520