ISRC GBBBC2100038
Verified recording
GBBBC2100038 is “Ah perfido!, Op. 65: Allegro assai "Ah crudel! crudel!" (Ed. Herttrich)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x351036af9c525d2f558444122b5beb287b14d555095c1ec97a2f3edea5fa54a4 and independently timestamped
in Bitcoin block 960153 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2100038.
Recording identifiers
- ISRC
- GBBBC2100038
- Title
- Ah perfido!, Op. 65: Allegro assai "Ah crudel! crudel!" (Ed. Herttrich)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x351036af9c525d2f558444122b5beb287b14d555095c1ec97a2f3edea5fa54a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:57:12+00:00
- Bitcoin block
- 960153
- Canonical record hash
sha256:ad0eaabdec2cb3e0ac3b999578a45aa28bd0bcd5ea188384b98f3a939f8e2709- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2100038
- Bitcoin block existence check
- https://blockstream.info/api/block/960153
Full record
Track page: Ah perfido!, Op. 65: Allegro assai "Ah crudel! crudel!" (Ed. Herttrich) · Machine-readable JSON-LD