De fire årstider

Recording by Trond Granlund.

Recording identifiers

ISRC
NODEJ2201070
CopyrightID (CopyrightChains transaction hash)
0x8b5a985b66e15cfa27533c610775864f8eac89e4d67f9c1d9557135f1f6d8c05
Copyright registration time
2026-07-06T20:47:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4e07c637557e41f9f01abe258ddd5fac52652fd874d151bcffb248df6ab78844

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.