Opus Pocus

Recording by Jaco Pastorius.

Recording identifiers

ISRC
USHU20407816
CopyrightID (CopyrightChains transaction hash)
0xcc05967cf53318b7bf16d762afbcb363505b107eca5e8b64d71a31400709b4e9
Copyright registration time
2026-06-25T19:20:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:ef8793e16f30e3e289efe96aefa6bef6daa3423ebc06cb05c026c5fce9b547f5

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.