ISRC CH0271110420
Verified recording
CH0271110420 is “Guantanamera - Romeo und Julia - Spanish eyes” by Claudius Alzner,
registered on the CopyrightChains blockchain with CopyrightID
0x18c11b54fb251f9b759b61b92aa2317aab76456b3e5c05db6d0617586c382da9 and independently timestamped
in Bitcoin block 960506 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0271110420.
Recording identifiers
- ISRC
- CH0271110420
- Title
- Guantanamera - Romeo und Julia - Spanish eyes
- Artist
- Claudius Alzner
- CopyrightID (CopyrightChains transaction hash)
0x18c11b54fb251f9b759b61b92aa2317aab76456b3e5c05db6d0617586c382da9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:50:58+00:00
- Bitcoin block
- 960506
- Canonical record hash
sha256:d689cc70552092d2aba9e3d9d7d30621468fab8249902fa702b6a64b73464a26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0271110420
- Bitcoin block existence check
- https://blockstream.info/api/block/960506
Full record
Track page: Guantanamera - Romeo und Julia - Spanish eyes · Machine-readable JSON-LD