ISRC QM4TW2474334
Verified recording
QM4TW2474334 is “Libertango - Arr. for Guitar and Strings by Dmitry Borodaev” by Astor Piazzolla,
registered on the CopyrightChains blockchain with CopyrightID
0x831b6f9d85bf8dfae4c593d947624ea652e05a38ba6b76044094075d39cc0297 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2474334.
Recording identifiers
- ISRC
- QM4TW2474334
- Title
- Libertango - Arr. for Guitar and Strings by Dmitry Borodaev
- Artist
- Astor Piazzolla
- CopyrightID (CopyrightChains transaction hash)
0x831b6f9d85bf8dfae4c593d947624ea652e05a38ba6b76044094075d39cc0297
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:e0f3d58513ba88f8720e88be067fe5566dbde4e9a663c529d50b0b0044d845b1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2474334
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Libertango - Arr. for Guitar and Strings by Dmitry Borodaev · Machine-readable JSON-LD