Annum per annum: Einleitung

Recording by Arvo Pärt.

Recording identifiers

ISRC
GBAJU9900166
CopyrightID (CopyrightChains transaction hash)
0x25e0f1c60778c92f1399ce78d012b748146a8cf8af8fc13419dae9760b4aa74f
Copyright registration time
2026-07-07T14:49:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:c2f8d6e5d1e42cd5246064467bb091f6199e5c760b3638dff9b347022f9151b6

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.