Oslo Maraton

Recording by Øystein Sunde.

Recording identifiers

ISRC
NOGTX9414110
CopyrightID (CopyrightChains transaction hash)
0xdb3da3118383c0fea3d68a0072af3334c234321fb5b11daeb03d5ff6905b85f4
Copyright registration time
2026-06-26T04:43:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:3fef47762ef040457d31a6fe7dcb3220c0478ae25f0da2661f588eb9338ee66e

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.