Best Days

Recording by Def Tech.

Recording identifiers

ISRC
JPZ922011597
CopyrightID (CopyrightChains transaction hash)
0x607f8a00cacf0014540ccd970adad2dd04639b8160fa19f5111df092bc33ccaa
Copyright registration time
2026-07-06T01:19:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T01:26:17Z
Bitcoin block
956857
Canonical record hash
sha256:f09c25038dd0de3c97875ebc206d045e453e426287298a87adfe6b7691cc9cdb

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.