ISRC USSM11505547
Verified recording
USSM11505547 is “The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 20 - Crisp, precise” by Frederic Rzewski,
registered on the CopyrightChains blockchain with CopyrightID
0x1bbfda000a5433f2943581b6c7e439c69dba5da88881c6b0f3030478abf19a35 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505547.
Recording identifiers
- ISRC
- USSM11505547
- Title
- The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 20 - Crisp, precise
- Artist
- Frederic Rzewski
- CopyrightID (CopyrightChains transaction hash)
0x1bbfda000a5433f2943581b6c7e439c69dba5da88881c6b0f3030478abf19a35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:f75f7ba4b4e3e9999dc9a7dff8f5568e68f60c85561091974cc464c22b6fc75b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505547
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 20 - Crisp, precise · Machine-readable JSON-LD