Upside Downside - Live

Recording by Michael Brecker.

Recording identifiers

ISRC
DER412200214
CopyrightID (CopyrightChains transaction hash)
0xdfc9e4d4aa2387abb6fbafb5e5648da429825c1dadd902e1299195faeefc7321
Copyright registration time
2026-07-06T19:38:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ba2be57a3f26e321c74d2f77f61bccd94805168877342e2ee04361420875edc6

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.