ISRC USKC62024411
Verified recording
USKC62024411 is “O Sacred Head, Now Wounded (Harmonized by J.S. Bach) [Arr. C. Surrick for Lute & Viola da gamba]” by Hans Leo Hassler,
registered on the CopyrightChains blockchain with CopyrightID
0x82aaf254c393e920d16bf5920a13c71243300fc478df036a00506d441a9066b7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC62024411.
Recording identifiers
- ISRC
- USKC62024411
- Title
- O Sacred Head, Now Wounded (Harmonized by J.S. Bach) [Arr. C. Surrick for Lute & Viola da gamba]
- Artist
- Hans Leo Hassler
- CopyrightID (CopyrightChains transaction hash)
0x82aaf254c393e920d16bf5920a13c71243300fc478df036a00506d441a9066b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:66cbfd222a02d0f507ee56500c7252077ebb2770ac96308c5fabafb52760883d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC62024411
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: O Sacred Head, Now Wounded (Harmonized by J.S. Bach) [Arr. C. Surrick for Lute & Viola da gamba] · Machine-readable JSON-LD