ISRC ARF098700141
Verified recording
ARF098700141 is “Tiempo De Libertad” by Mercedes Sosa,
registered on the CopyrightChains blockchain with CopyrightID
0x12cbfbb0b6471a471c039c7b1556c6f80b976a9ad07fd910e4220a8c9b327496 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF098700141.
Recording identifiers
- ISRC
- ARF098700141
- Title
- Tiempo De Libertad
- Artist
- Mercedes Sosa
- CopyrightID (CopyrightChains transaction hash)
0x12cbfbb0b6471a471c039c7b1556c6f80b976a9ad07fd910e4220a8c9b327496
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:1242fa4097cbb94bf8cbbc7b41bac8658cc1bd10f72f6450ef7cf6ab7ab6a0c7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF098700141
- Bitcoin block existence check
- https://blockstream.info/api/block/960327