ISRC QM4TX2165443
Verified recording
QM4TX2165443 is “Tritsch-Tratsch-Polka” by Vienna Boys' Choir,
registered on the CopyrightChains blockchain with CopyrightID
0x5a70ea889e4d15fb555a671dfa13b6fca9b1fd5493ff429870ef7e022250ed10 and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2165443.
Recording identifiers
- ISRC
- QM4TX2165443
- Title
- Tritsch-Tratsch-Polka
- Artist
- Vienna Boys' Choir
- CopyrightID (CopyrightChains transaction hash)
0x5a70ea889e4d15fb555a671dfa13b6fca9b1fd5493ff429870ef7e022250ed10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:fa894912e3f52320133104b8bab053a987bdaaaf12e676f340faa6e2d5884701- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2165443
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Tritsch-Tratsch-Polka · Machine-readable JSON-LD