7 Dikter, Op. 28: Jag längtar dig (Jussi Björling)

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAC9606010
CopyrightID (CopyrightChains transaction hash)
0x2c19831fea3ef522ca5616fb08b6b54e9accbe53b9383b64752242d3bd2c425d
Copyright registration time
2026-01-28T22:52:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:84e786ef7ceb569222ee01886bfedc0c5fdc8c09f8df422518aea402d60d74a2

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.