ISRC FRZ141025130
Verified recording
FRZ141025130 is “Requiem: Requiem: XIII. 12. Coro. Lacrimosa” by Johann Christian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xbb77836ca17b7feb4bfd0fd421a4e955245c814d437fe08c0eab44836b6e4c80 and independently timestamped
in Bitcoin block 957819 on 2026-07-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141025130.
Recording identifiers
- ISRC
- FRZ141025130
- Title
- Requiem: Requiem: XIII. 12. Coro. Lacrimosa
- Artist
- Johann Christian Bach
- CopyrightID (CopyrightChains transaction hash)
0xbb77836ca17b7feb4bfd0fd421a4e955245c814d437fe08c0eab44836b6e4c80
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-13T07:53:33+00:00
- Bitcoin block
- 957819
- Canonical record hash
sha256:5aadd393e60b8992f667ef7215c1a8796457179b9a3b61bd03b4ad101d1b8651- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141025130
- Bitcoin block existence check
- https://blockstream.info/api/block/957819
Full record
Track page: Requiem: Requiem: XIII. 12. Coro. Lacrimosa · Machine-readable JSON-LD