ISRC QZNJX2350965
Verified recording
QZNJX2350965 is “Sad Bolero” by Retro 1312,
registered on the CopyrightChains blockchain with CopyrightID
0x73fd956b297d1c6028e4e8fdef07da51b0ddb7c445b71e6cbf8a2c013b7331e8 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/QZNJX2350965.
Recording identifiers
- ISRC
- QZNJX2350965
- Title
- Sad Bolero
- Artist
- Retro 1312
- CopyrightID (CopyrightChains transaction hash)
0x73fd956b297d1c6028e4e8fdef07da51b0ddb7c445b71e6cbf8a2c013b7331e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7ef4144f0ecc621173c069903313b091cd86b8f894abe27e54d32fa4525b7ca1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2350965
- Bitcoin block existence check
- https://blockstream.info/api/block/956304