ISRC GBAKW9900324
Verified recording
GBAKW9900324 is “Our Last Summer - 1999 / Musical "Mamma Mia"” by Benny Andersson,
registered on the CopyrightChains blockchain with CopyrightID
0xf5f7552295cb064f9291d7870e16279a279f650db8ddfb92f97adab65c0f41b0 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAKW9900324.
Recording identifiers
- ISRC
- GBAKW9900324
- Title
- Our Last Summer - 1999 / Musical "Mamma Mia"
- Artist
- Benny Andersson
- CopyrightID (CopyrightChains transaction hash)
0xf5f7552295cb064f9291d7870e16279a279f650db8ddfb92f97adab65c0f41b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:5d5815a2707fb25b3d54b633f41cb4b79f9f1d95a57004ae3565a1c27f9ab5b1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAKW9900324
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Our Last Summer - 1999 / Musical "Mamma Mia" · Machine-readable JSON-LD