ISRC FRU621425421
Verified recording
FRU621425421 is “Markuspassion: XXI. Was seh’ ich hier (aria alto) 1‘36” by Reinhard Keiser,
registered on the CopyrightChains blockchain with CopyrightID
0x05179d459af81e7a3aa5a53b7dfdb235c79db0bdd52a68d318004b979988133d and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621425421.
Recording identifiers
- ISRC
- FRU621425421
- Title
- Markuspassion: XXI. Was seh’ ich hier (aria alto) 1‘36
- Artist
- Reinhard Keiser
- CopyrightID (CopyrightChains transaction hash)
0x05179d459af81e7a3aa5a53b7dfdb235c79db0bdd52a68d318004b979988133d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:78dbe1f97bea925118b24cf1a43d4c7683560fae9cd6dfcb63e1110e1bfccc1a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621425421
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Markuspassion: XXI. Was seh’ ich hier (aria alto) 1‘36 · Machine-readable JSON-LD