Portugis

Recording by Sven-Bertil Taube.

Recording identifiers

ISRC
SEPQA1500413
CopyrightID (CopyrightChains transaction hash)
0xed7b995fad0dd031e719f95407ab9da39030a24377f48048ac5ce55d4ffc1d34
Copyright registration time
2026-01-28T17:58:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c221c5c2d3fc56a93da88c427bf293b1c80a8dd03c31c4ac63844251945adf9b

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.