ISRC FR6V51001080
Verified recording
FR6V51001080 is “Four Shakespeare songs: III. Double, Double Toil and Trouble” by Jaakko Mäntyjärvi,
registered on the CopyrightChains blockchain with CopyrightID
0x799eafb9e3a46b9d3146b745ea4b2cf975c8d22d8728aa636b6b9e99851b02f1 and independently timestamped
in Bitcoin block 960383 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V51001080.
Recording identifiers
- ISRC
- FR6V51001080
- Title
- Four Shakespeare songs: III. Double, Double Toil and Trouble
- Artist
- Jaakko Mäntyjärvi
- CopyrightID (CopyrightChains transaction hash)
0x799eafb9e3a46b9d3146b745ea4b2cf975c8d22d8728aa636b6b9e99851b02f1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:37+00:00
- Bitcoin block
- 960383
- Canonical record hash
sha256:ba71e3e8847a27e950582603055129280197ee7192c229cc2cb1ef808b68e1f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V51001080
- Bitcoin block existence check
- https://blockstream.info/api/block/960383
Full record
Track page: Four Shakespeare songs: III. Double, Double Toil and Trouble · Machine-readable JSON-LD