ISRC QM4TW2119751
Verified recording
QM4TW2119751 is “Sorry” by Marcus Brodowski,
registered on the CopyrightChains blockchain with CopyrightID
0xc445ca8c7f0ee1ce72dddca3ccb8df9ba0c5bdfcc1a6d8d1fbba200375307c8e and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2119751.
Recording identifiers
- ISRC
- QM4TW2119751
- Title
- Sorry
- Artist
- Marcus Brodowski
- CopyrightID (CopyrightChains transaction hash)
0xc445ca8c7f0ee1ce72dddca3ccb8df9ba0c5bdfcc1a6d8d1fbba200375307c8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:b48ba94b12cf42afeb6fddc6dbc6b7679c25e332b4c48bf397e95e6330c6b9bc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2119751
- Bitcoin block existence check
- https://blockstream.info/api/block/960327