ISRC QZFZ62256198
Verified recording
QZFZ62256198 is “Stepback” by Letoa,
registered on the CopyrightChains blockchain with CopyrightID
0x8fd8bb5ae121d3c2de1ad6e90a192c6879f2294f634a8e9f76c81852e7f499eb 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/QZFZ62256198.
Recording identifiers
- ISRC
- QZFZ62256198
- Title
- Stepback
- Artist
- Letoa
- CopyrightID (CopyrightChains transaction hash)
0x8fd8bb5ae121d3c2de1ad6e90a192c6879f2294f634a8e9f76c81852e7f499eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:f3cc4bf128be99ad0da00ee871efa680a1704300a765515010cedf386c0dd7d3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62256198
- Bitcoin block existence check
- https://blockstream.info/api/block/953520