ISRC QM4TX2165450
Verified recording
QM4TX2165450 is “An der schönen blauen Donau” by Vienna Boys' Choir,
registered on the CopyrightChains blockchain with CopyrightID
0x73f8eba4225edf128082c47ec743d57e0e702a9669cd4567956ae629c959cd67 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2165450.
Recording identifiers
- ISRC
- QM4TX2165450
- Title
- An der schönen blauen Donau
- Artist
- Vienna Boys' Choir
- CopyrightID (CopyrightChains transaction hash)
0x73f8eba4225edf128082c47ec743d57e0e702a9669cd4567956ae629c959cd67
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:09c48012cb72f115fbc7a6999d0d98bf0794f400236d8b126779b7fec8a12830- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2165450
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: An der schönen blauen Donau · Machine-readable JSON-LD