ISRC USQX91902069
Verified recording
USQX91902069 is “Feather” by Dirk Maassen,
registered on the CopyrightChains blockchain with CopyrightID
0xe90a7e7ede470752b19c8433fda1d1d036f42aa38dfb868aeb58ee54fe1b07c9 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91902069.
Recording identifiers
- ISRC
- USQX91902069
- Title
- Feather
- Artist
- Dirk Maassen
- CopyrightID (CopyrightChains transaction hash)
0xe90a7e7ede470752b19c8433fda1d1d036f42aa38dfb868aeb58ee54fe1b07c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:cc69c5b619599f0a80f7b0d42bccfef151bd7e8da7c71acca0abc8dda9db6748- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91902069
- Bitcoin block existence check
- https://blockstream.info/api/block/960368