ISRC FR7JM1669040
Verified recording
FR7JM1669040 is “Die Dreigroschenoper: Barbara-Song” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xe796efc8d08f33de6f31271dba99d502dab9c166ea7ddd8068d3bafa92380808 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1669040.
Recording identifiers
- ISRC
- FR7JM1669040
- Title
- Die Dreigroschenoper: Barbara-Song
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xe796efc8d08f33de6f31271dba99d502dab9c166ea7ddd8068d3bafa92380808
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:80bff12b148e8589adf0a5426014c4fecb28f8689b5088aea57e5c3cd303cc64- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1669040
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Die Dreigroschenoper: Barbara-Song · Machine-readable JSON-LD