ISRC GBJ2F1010745

Verified recording

GBJ2F1010745 is “The Merry Widow: Act I, "Wie die Blumen in Lenze erblüh'n"” by Franz Lehár, registered on the CopyrightChains blockchain with CopyrightID 0x8709c0058c48fc9cbe46fdfbac77360841ad31051c98b67b008be364dbad6740 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010745.

Recording identifiers

ISRC
GBJ2F1010745
Title
The Merry Widow: Act I, "Wie die Blumen in Lenze erblüh'n"
Artist
Franz Lehár
CopyrightID (CopyrightChains transaction hash)
0x8709c0058c48fc9cbe46fdfbac77360841ad31051c98b67b008be364dbad6740

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:4273719edcfabe738ed431982bc288911d07ed93bee933fb81675b721bec4c67
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010745
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: The Merry Widow: Act I, "Wie die Blumen in Lenze erblüh'n" · Machine-readable JSON-LD