Verlobigswalzer

Recording by Quöllfrisch-Buebe.

Recording identifiers

ISRC
CH0202213527
CopyrightID (CopyrightChains transaction hash)
0x33e2c39a27b57a98ae85f97671bfe2c9a9d9e7cf6eed9598c06966b9b2955886
Copyright registration time
2026-06-19T00:29:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8870ab6b65591aa3751f7c9f917984bc9ff5e2f20902c02312ebecd50853585f

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.