strolling through vienna

Recording by Martin Biesecke.

Recording identifiers

ISRC
QM6P42338400
CopyrightID (CopyrightChains transaction hash)
0xde1f36d1bb2c6aa37ee97933a755a5545e0acdcb2ba1e00c13c4765559126f75
Copyright registration time
2026-06-06T14:39:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:726f5e9f7692b9734118231b9b89689f30aa4d8649907a9d1d006c9349b359f2

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.