ISRC QZNWX2141420
Verified recording
QZNWX2141420 is “Libertango” by Silvio Buchmeier,
registered on the CopyrightChains blockchain with CopyrightID
0xbbf2cc39c2a5104880d34cac8d8718c43d49b7e34260f6a7b81a75b94ca6e6f9 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2141420.
Recording identifiers
- ISRC
- QZNWX2141420
- Title
- Libertango
- Artist
- Silvio Buchmeier
- CopyrightID (CopyrightChains transaction hash)
0xbbf2cc39c2a5104880d34cac8d8718c43d49b7e34260f6a7b81a75b94ca6e6f9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:cdac49fe3ec7fc35e9aaf68bd05ea5fdbfd8cdba359e5b44395eb29ecf10d47e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2141420
- Bitcoin block existence check
- https://blockstream.info/api/block/956889