ISRC FRZ140523120
Verified recording
FRZ140523120 is “Des Knaben Wunderhorn: VII. Rheinlegendchen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xa6830c77ecfe6141524e9ca4103a65c7bbd03183a4589f6ca4892572b50d1cd7 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140523120.
Recording identifiers
- ISRC
- FRZ140523120
- Title
- Des Knaben Wunderhorn: VII. Rheinlegendchen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xa6830c77ecfe6141524e9ca4103a65c7bbd03183a4589f6ca4892572b50d1cd7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:c2bad6d48f36abb4174fcef75a09151b7318b4ac775a8f9ad42d69060582ff37- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140523120
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Des Knaben Wunderhorn: VII. Rheinlegendchen · Machine-readable JSON-LD