Bye Bye (Pista)

Recording by Alex Zurdo.

Recording identifiers

ISRC
QZ2J21506240
CopyrightID (CopyrightChains transaction hash)
0x28e4a61f57a8085b5d0b6ee0cab30c4746790a2462a8b61c3a05a47ac3f24b8f
Copyright registration time
2026-06-21T03:11:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9d21df03a77eb7c7bb742100aee512dbd3914feef9db94f2c8c1d67f74f413d7

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.