ISRC CA5KR1846971
Verified recording
CA5KR1846971 is “Muchacha (Vals)” by Osvaldo Fresedo,
registered on the CopyrightChains blockchain with CopyrightID
0xadb2f2328f411cda8adbc8c666f489b68f03dd4ae962833507a5e1cb807eba9a 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/CA5KR1846971.
Recording identifiers
- ISRC
- CA5KR1846971
- Title
- Muchacha (Vals)
- Artist
- Osvaldo Fresedo
- CopyrightID (CopyrightChains transaction hash)
0xadb2f2328f411cda8adbc8c666f489b68f03dd4ae962833507a5e1cb807eba9a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4b218d872ba2da2abe2eebbb6234d77381c61020566cf910a98ae04a10b781c2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1846971
- Bitcoin block existence check
- https://blockstream.info/api/block/957118