Staffan var en Tangodräng

Recording by Adolf Fredriks Musikklasser.

Recording identifiers

ISRC
SEVOZ2102216
CopyrightID (CopyrightChains transaction hash)
0xd15a760cea261ea4f4499c8eba019a7501228dd3cb3f4faf75f278eeed132e71
Copyright registration time
2026-01-28T21:00:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:7a27d2ff0d1c9a6f1596c7e9b0f36a1cd6a25d93b17414b2b6c62e97e37bcd3b

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.