Summa (Version for Chorus)

Recording by Arvo Pärt.

Recording identifiers

ISRC
FINDE1900060
CopyrightID (CopyrightChains transaction hash)
0xef739d47fe8daa3cc8247bab847d109122cabe27a41d303a0dff3bbbac9aafa4
Copyright registration time
2026-07-07T13:21:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:589978a95e4bab1839a07afb6074b3f5d6d80cf4249f59af521a42d8f92d6e27

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.