ISRC USB8U1700040
Verified recording
USB8U1700040 is “Requiem, Op. 48 (1893 Version): Libera me” by John Rutter,
registered on the CopyrightChains blockchain with CopyrightID
0x6b91516491bac19a30548426dc0c79eb2bdd140100cc8f47ac3d9754e1fd2937 and independently timestamped
in Bitcoin block 960218 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1700040.
Recording identifiers
- ISRC
- USB8U1700040
- Title
- Requiem, Op. 48 (1893 Version): Libera me
- Artist
- John Rutter
- CopyrightID (CopyrightChains transaction hash)
0x6b91516491bac19a30548426dc0c79eb2bdd140100cc8f47ac3d9754e1fd2937
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:57:05+00:00
- Bitcoin block
- 960218
- Canonical record hash
sha256:2d77f8d09a49978ed2dcd51ebd36baf130a6d9d508120110d63f7f60d500fc75- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1700040
- Bitcoin block existence check
- https://blockstream.info/api/block/960218
Full record
Track page: Requiem, Op. 48 (1893 Version): Libera me · Machine-readable JSON-LD