ISRC ARF099800071
Verified recording
ARF099800071 is “Viejo Corazón” by Mercedes Sosa,
registered on the CopyrightChains blockchain with CopyrightID
0x6bab2a4437ee44b781acdd20d1c6f591add51e96ca7b7d956e2b5df55c58fe10 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF099800071.
Recording identifiers
- ISRC
- ARF099800071
- Title
- Viejo Corazón
- Artist
- Mercedes Sosa
- CopyrightID (CopyrightChains transaction hash)
0x6bab2a4437ee44b781acdd20d1c6f591add51e96ca7b7d956e2b5df55c58fe10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:1b4c125e557549f087dfdf32dbc4998275baa8c59229ee34911213819f4823d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF099800071
- Bitcoin block existence check
- https://blockstream.info/api/block/956304