ISRC GBHMU0900019
Verified recording
GBHMU0900019 is “Mamma” by Josef Larossi,
registered on the CopyrightChains blockchain with CopyrightID
0x591fc65c56bf35950fad817d4c8971737c059dfe075c41a411028da739a6f16a and independently timestamped
in Bitcoin block 960370 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHMU0900019.
Recording identifiers
- ISRC
- GBHMU0900019
- Title
- Mamma
- Artist
- Josef Larossi
- CopyrightID (CopyrightChains transaction hash)
0x591fc65c56bf35950fad817d4c8971737c059dfe075c41a411028da739a6f16a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:38:45+00:00
- Bitcoin block
- 960370
- Canonical record hash
sha256:b1cea3cedd0ff5c40ebe430c1fb445bebfebf1278d81c5ef88c76350c46af6cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHMU0900019
- Bitcoin block existence check
- https://blockstream.info/api/block/960370