ISRC USSM11505549
Verified recording
USSM11505549 is “The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 22 - Very expressionate” by Frederic Rzewski,
registered on the CopyrightChains blockchain with CopyrightID
0xc223ac021217e8a472cf8c84338fa7db810e5b535e162ab3dab0b6a805d07c99 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/USSM11505549.
Recording identifiers
- ISRC
- USSM11505549
- Title
- The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 22 - Very expressionate
- Artist
- Frederic Rzewski
- CopyrightID (CopyrightChains transaction hash)
0xc223ac021217e8a472cf8c84338fa7db810e5b535e162ab3dab0b6a805d07c99
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b677a4ad4b42ed15d6d9603cf9c51b17e30705b4002d319b354c1a379cdf9e7d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505549
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 22 - Very expressionate · Machine-readable JSON-LD