Vienna Pitch

Recording by Michael Wollny.

Recording identifiers

ISRC
DEA892300190
CopyrightID (CopyrightChains transaction hash)
0xa4b3e172abce081d6295370d77ecefc8d9149d24d60ff37f61be1142fa41c447
Copyright registration time
2026-07-06T06:29:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:0cc2ac133872fa5da6098d74f1a6201f52753308d46e8ae9382b3b8b92322a45

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.