Innsbruck, ich muss dich lassen

Recording by Heinrich Isaac.

Recording identifiers

ISRC
HKI199932512
CopyrightID (CopyrightChains transaction hash)
0x01b67ec37703ba814926edf69e0366b59703ae043883385efd8446d051c34c3c
Copyright registration time
2026-06-19T13:22:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5f09e93cfd7d77959317288a3f8493ad37db236bfe12f34790c4f613f144bd11

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.