ISRC GBSMU1141180
Verified recording
GBSMU1141180 is “Nostalgia” by Sorrow,
registered on the CopyrightChains blockchain with CopyrightID
0x87477dca774680b050023d50d056c6de676b262978d0a32842af976712891f4f and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU1141180.
Recording identifiers
- ISRC
- GBSMU1141180
- Title
- Nostalgia
- Artist
- Sorrow
- CopyrightID (CopyrightChains transaction hash)
0x87477dca774680b050023d50d056c6de676b262978d0a32842af976712891f4f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:6d55a942d1a3591a66f39095fcae55a101c347b3b51133adb2d211f5f4594b0f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU1141180
- Bitcoin block existence check
- https://blockstream.info/api/block/960337