Annum per annum (K-G-C-S-a)

Recording by Arvo Pärt.

Recording identifiers

ISRC
SEAEF9261010
CopyrightID (CopyrightChains transaction hash)
0x81b17362d0156ed8c51ab0c2b97a502ed4d8f95adeef88849ee6d7ba39ef809b
Copyright registration time
2026-07-07T07:00:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6c4e35132888b5188f02511508205679589e252c038f538d2f6555b67a76fe07

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.