ISRC USSM18300166
Verified recording
USSM18300166 is “La roca fria del calvario," Zarzuela from La Dolorosa” by Jose Serrano,
registered on the CopyrightChains blockchain with CopyrightID
0x9e001bf75daa342e299900af73314479ab8f24be6e8b10ef9851d2defa6d41cb 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/USSM18300166.
Recording identifiers
- ISRC
- USSM18300166
- Title
- La roca fria del calvario," Zarzuela from La Dolorosa
- Artist
- Jose Serrano
- CopyrightID (CopyrightChains transaction hash)
0x9e001bf75daa342e299900af73314479ab8f24be6e8b10ef9851d2defa6d41cb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0d001bf88e9c03f54c6ddf33c5512de74182c63008a3c35bcf0ce9c4681d6474- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18300166
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: La roca fria del calvario," Zarzuela from La Dolorosa · Machine-readable JSON-LD