Canon in D-Major

Recording by Martin Bloch.

Recording identifiers

ISRC
QMPKX1419869
CopyrightID (CopyrightChains transaction hash)
0xb84e09c76f732064fd96b348305afe22b62f4a6e16d0c9f3ddc4aeea86998ef1
Copyright registration time
2026-07-06T18:36:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1e06293c327b22914fc2245c8ac1df72be92c18dfee81cac840f31404dfc488c

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.