ISRC USSM11505563
Verified recording
USSM11505563 is “The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 36 - Improvisation” by Frederic Rzewski,
registered on the CopyrightChains blockchain with CopyrightID
0x54284bc98bffc26068441473d7c68a5df2337def0d8adb3a01e682c82c8c016a and independently timestamped
in Bitcoin block 960223 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505563.
Recording identifiers
- ISRC
- USSM11505563
- Title
- The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 36 - Improvisation
- Artist
- Frederic Rzewski
- CopyrightID (CopyrightChains transaction hash)
0x54284bc98bffc26068441473d7c68a5df2337def0d8adb3a01e682c82c8c016a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:51:46+00:00
- Bitcoin block
- 960223
- Canonical record hash
sha256:57a934d9f55de1ff481923b6dacbbc3a739ac71a3642ca3d5828e180bc51eb1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505563
- Bitcoin block existence check
- https://blockstream.info/api/block/960223
Full record
Track page: The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 36 - Improvisation · Machine-readable JSON-LD