ISRC USSM11505544
Verified recording
USSM11505544 is “The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 17 - Left hand strictly. Right hand freely, roughly in space” by Frederic Rzewski,
registered on the CopyrightChains blockchain with CopyrightID
0xa70aec584018c01a0b25b2d5bf3dac368f0509e07f81773eccd9bd5ff34dd9d8 and independently timestamped
in Bitcoin block 960259 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505544.
Recording identifiers
- ISRC
- USSM11505544
- Title
- The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 17 - Left hand strictly. Right hand freely, roughly in space
- Artist
- Frederic Rzewski
- CopyrightID (CopyrightChains transaction hash)
0xa70aec584018c01a0b25b2d5bf3dac368f0509e07f81773eccd9bd5ff34dd9d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:51:24+00:00
- Bitcoin block
- 960259
- Canonical record hash
sha256:b12119dee4980d6930375717acf3df78f1851ad6ecf4d837c29a0e0be87524a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505544
- Bitcoin block existence check
- https://blockstream.info/api/block/960259
Full record
Track page: The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 17 - Left hand strictly. Right hand freely, roughly in space · Machine-readable JSON-LD