ISRC GBUM70809214
Verified recording
GBUM70809214 is “Our Last Summer - From 'Mamma Mia!' Original Motion Picture Soundtrack” by Colin Firth,
registered on the CopyrightChains blockchain with CopyrightID
0x996cb6f1d2802efa62bce2248bf9c34486014c47d03851b38c239ef4928ce32b and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70809214.
Recording identifiers
- ISRC
- GBUM70809214
- Title
- Our Last Summer - From 'Mamma Mia!' Original Motion Picture Soundtrack
- Artist
- Colin Firth
- CopyrightID (CopyrightChains transaction hash)
0x996cb6f1d2802efa62bce2248bf9c34486014c47d03851b38c239ef4928ce32b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:9a3ad062cf61f3e92f344479c94963c8bd8dd0725e58d037716e7c2b3ac6c632- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70809214
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Our Last Summer - From 'Mamma Mia!' Original Motion Picture Soundtrack · Machine-readable JSON-LD