Day One

Recording by Victor Butzelaar.

Recording identifiers

ISRC
QZFYX2080737
CopyrightID (CopyrightChains transaction hash)
0x4fabf3cce837566820c031521861c79c08f93051d08f7721309f3de815f45a16
Copyright registration time
2026-06-27T16:51:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9079c2e727db89516d74abe49823ce353572477ea00f4c99cbe62a6546be6b60

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.