What Did You Say

Recording by Hugo Cantarra.

Recording identifiers

ISRC
QZFPL2100266
CopyrightID (CopyrightChains transaction hash)
0x50af84e199ff8a8e8e6a95e5255e622a9e2d33785b7d6307fa7b15ae1904b57e
Copyright registration time
2026-06-08T22:25:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:910268cda9c700f91f26c21691fc1f5990ffb20f8eac8f1f3be31113b25576bd

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.