Annum per Annum: I. Einleitung

Recording by Arvo Pärt.

Recording identifiers

ISRC
GBAJY9896010
CopyrightID (CopyrightChains transaction hash)
0xd4f4f8495be1acf6da6eaac2d6e480a05cbe84d6022ed8e65476a7314594ffb2
Copyright registration time
2026-07-07T06:00:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b119cfa1bfe0e9511da9e4a8ff56772f5a60196a6d9677e0ba140014e8ee2137

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.