Sequentia (Revised 2019 Version)

Recording by Arvo Pärt.

Recording identifiers

ISRC
DELW72152704
CopyrightID (CopyrightChains transaction hash)
0x3cfeb31cf4ccbe3887bd9ef6f19674d8355e409906ffab530671ec9158b71885
Copyright registration time
2026-07-07T13:08:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b91aed69c9d99b12205e0ea1db62264f0a507675119545e5e8af46fba942b3a7

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.