Fragment of a blues

Recording by Georg Riedel.

Recording identifiers

ISRC
SE6XX2273662
CopyrightID (CopyrightChains transaction hash)
0x8e9893632bede25eb24d49141e285f15955c20999ec3654cdd6473661a836890
Copyright registration time
2026-08-01T04:01:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:30:37Z
Bitcoin block
960509
Canonical record hash
sha256:a4965c1011ec436b9efe5d2678e7339d83a64549b752e398c74db2641b7f5fe0

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.