ISRC GBBBA0541280
Verified recording
GBBBA0541280 is “Mass: Simple Song” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0x664467b317160e14b7258b7fd56b392548abcb3bad900a5ab7d48c6e0b263a6c and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0541280.
Recording identifiers
- ISRC
- GBBBA0541280
- Title
- Mass: Simple Song
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0x664467b317160e14b7258b7fd56b392548abcb3bad900a5ab7d48c6e0b263a6c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:fa0b01417bd318dae64b74bd92eb5d5174375d5fd71b916f6c264ede442bce21- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0541280
- Bitcoin block existence check
- https://blockstream.info/api/block/956889