The Mean Time

Recording by Michael Brecker.

Recording identifiers

ISRC
GBUM70702895
CopyrightID (CopyrightChains transaction hash)
0x5f7777dbf3aa1a5601aebe7ce90de48522f9c2dc67fefd537d9ac4186990bd41
Copyright registration time
2026-07-06T09:35:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:d9a900b6ad4f552f41c01dc0cad92ae4fdd8ef5b3c884d184ebe7b7457978492

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.