ISRC ITW310804211
Verified recording
ITW310804211 is “Libertango” by Modern Saxophone Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x6e7615d305b7daf2be6e8c35e63455f5fb24b9777eb6bcbcc2d0ca36776bf3cc and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITW310804211.
Recording identifiers
- ISRC
- ITW310804211
- Title
- Libertango
- Artist
- Modern Saxophone Quartet
- CopyrightID (CopyrightChains transaction hash)
0x6e7615d305b7daf2be6e8c35e63455f5fb24b9777eb6bcbcc2d0ca36776bf3cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:3074c550427c29da1cc6b53c1c0dd10a7125004e2be9b6f1672d51f05de16dfe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITW310804211
- Bitcoin block existence check
- https://blockstream.info/api/block/960418