Sapphire

Recording by Roman Flügel.

Recording identifiers

ISRC
GBTZZ2400013
CopyrightID (CopyrightChains transaction hash)
0xed5f03bbdbf5ce20960947aacd6e08cce7dc708e6e8339f1d4091dcf016d2195
Copyright registration time
2026-06-19T14:04:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:53d01abdc099cb82c6cbaae1276dd9339333aa24a08b92a41646e96625428ac9

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.