Sem Reff

Recording by Blackbe.

Recording identifiers

ISRC
BX4IU2411944
CopyrightID (CopyrightChains transaction hash)
0xe04036b35c732763022831e782910889e21ed12dfd0d370b7189245d6b0f775e
Copyright registration time
2026-07-30T16:30:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:0e725486016196116656d1e311d7f723996df6b11a6639ae695b031fa71dbdf8

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.