ISRC QMFFM2200559
Verified recording
QMFFM2200559 is “Crystal City” by Mark Versluis,
registered on the CopyrightChains blockchain with CopyrightID
0xbda3ff08b639c97f0c4c80026ed4aa6d8d611732a5941b3e70765537508695a3 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/QMFFM2200559.
Recording identifiers
- ISRC
- QMFFM2200559
- Title
- Crystal City
- Artist
- Mark Versluis
- CopyrightID (CopyrightChains transaction hash)
0xbda3ff08b639c97f0c4c80026ed4aa6d8d611732a5941b3e70765537508695a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:c7ac6a5c9f128d4aeb78a21d481350f835efad61d72d400e0061b61bff553f04- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFFM2200559
- Bitcoin block existence check
- https://blockstream.info/api/block/960368