ISRC ESA011662279
Verified recording
ESA011662279 is “Progreso” by Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0x9a7152c6f055535239484f6cd6dd3fe817b556ac228361d6f32d9a76d5ae4b78 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA011662279.
Recording identifiers
- ISRC
- ESA011662279
- Title
- Progreso
- Artist
- Sierra
- CopyrightID (CopyrightChains transaction hash)
0x9a7152c6f055535239484f6cd6dd3fe817b556ac228361d6f32d9a76d5ae4b78
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:e53ead52402124c2cc14d7052393e95980149f1a224726656603631da6fe4d86- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA011662279
- Bitcoin block existence check
- https://blockstream.info/api/block/960240