Day One

Recording by Leo Nocta.

Recording identifiers

ISRC
TCADB1736744
CopyrightID (CopyrightChains transaction hash)
0xd7bf1963514195996ae2ef0c8375da7289999acef9b2de7dee8b166f44d73837
Copyright registration time
2026-07-06T10:20:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T23:14:00Z
Bitcoin block
957056
Canonical record hash
sha256:f390da1ef6579a985a544c1df5162b49e611ea3d21be428086bcdf2e9276c16a

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.