Der Fischer Von San Juan

Recording by Mr. Blue.

Recording identifiers

ISRC
GBSMU9568606
CopyrightID (CopyrightChains transaction hash)
0x5b8588a7c05e02c207abbd94ece88631d42c1571baabdf80bc61b65e726af44f
Copyright registration time
2026-07-08T00:54:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9c9ebe84ae846b9d0695b8786653b2f7045dd62ec4ec75fe58ce23f00beab329

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.