ISRC USSM11505531
Verified recording
USSM11505531 is “The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 4 - Marcato, with determination” by Frederic Rzewski,
registered on the CopyrightChains blockchain with CopyrightID
0x352d871abeeeb6df857560f405af2152f6ef8b5593dce8eae983c0fad0e02204 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505531.
Recording identifiers
- ISRC
- USSM11505531
- Title
- The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 4 - Marcato, with determination
- Artist
- Frederic Rzewski
- CopyrightID (CopyrightChains transaction hash)
0x352d871abeeeb6df857560f405af2152f6ef8b5593dce8eae983c0fad0e02204
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:1052a5d7220fb9cc2750f0d55a7f42f7fa249ed2b772cdae2174ddf2005e1512- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505531
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 4 - Marcato, with determination · Machine-readable JSON-LD