o key

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLB960700303
CopyrightID (CopyrightChains transaction hash)
0x74175f77cde6b29b3d2dfa89c22b41b9bb89bc09257261473a2c442c87e48619
Copyright registration time
2026-07-07T04:31:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:6017d4671357eb4555d3cfd1e0725a37fcbd01172e2bbf9b2b377fbb0bfd8e7b

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.