Bye Bye (Instrumental)

Recording by Mark Mancina.

Recording identifiers

ISRC
USWD12434984
CopyrightID (CopyrightChains transaction hash)
0x369211f5ca5b4f979a452c07132a12247235888cc093cb14cd4f61d85cb3fb8c
Copyright registration time
2026-06-08T11:23:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5dfc3e428cb9c8abe1d547639a78a780d5c5ec15257a2ca2a73f4dd8227d15d3

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.