ISRC ARF097500106
Verified recording
ARF097500106 is “Cuánto Trabajo” by Mercedes Sosa,
registered on the CopyrightChains blockchain with CopyrightID
0x1ecbcc63df9237046db7265e3ddc42a03b15a9e091ee3a2ecd5292c74ee97830 and independently timestamped
in Bitcoin block 959137 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF097500106.
Recording identifiers
- ISRC
- ARF097500106
- Title
- Cuánto Trabajo
- Artist
- Mercedes Sosa
- CopyrightID (CopyrightChains transaction hash)
0x1ecbcc63df9237046db7265e3ddc42a03b15a9e091ee3a2ecd5292c74ee97830
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:03:35+00:00
- Bitcoin block
- 959137
- Canonical record hash
sha256:0f516a1c42fae8467e6868be85cf994a2952f01760376434a6f9cef0d401f369- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF097500106
- Bitcoin block existence check
- https://blockstream.info/api/block/959137