Symphony No. 1 "Polyphonic": 1. Canons

Recording by Arvo Pärt.

Recording identifiers

ISRC
DEB331660001
CopyrightID (CopyrightChains transaction hash)
0xa1fa68edc6455875502046e7d7396645f7a31de313271efd8fcfeae433694be3
Copyright registration time
2026-06-18T14:54:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1a16364ea2ab1db82aec5afb427eedf503f72b524b559fd05fdc2e181ebcdcb1

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.