Sommaren 77

Recording by Tomas Andersson Wij.

Recording identifiers

ISRC
SEPQA0308080
CopyrightID (CopyrightChains transaction hash)
0x45acfa8f86b4184fb3344d1e8488fa37b028ffe46c22b4307c2e74c9424c7992
Copyright registration time
2026-01-28T17:51:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1d2e0c83ab96d29ee512e126bed76622136eeab24e2277444c190c381133f07d

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.