Ett å två å tre å...

Recording by Sven-Bertil Taube.

Recording identifiers

ISRC
SEPQA1700306
CopyrightID (CopyrightChains transaction hash)
0x9559294b2590fc063c22f82aa1dd9f4e864ffd389268a6483225c78a5b5b973f
Copyright registration time
2026-01-28T22:10:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:345d5b47f28d469e0b6a786d4811cb84bf559baf1529a47149705a257029ccba

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.