Maprem

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAA1400804
CopyrightID (CopyrightChains transaction hash)
0x660ca921c5c43328ffb4880f24db489b76ad74b6031640ca68137877a49e10ac
Copyright registration time
2026-03-20T05:14:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b03eb6e3ce055a656be4463f8d638218e769937c3f612a207808496c90af3d62

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.