De profundis

Recording by Arvo Pärt.

Recording identifiers

ISRC
GBAJY9896025
CopyrightID (CopyrightChains transaction hash)
0x857aaa84e622e4d6feaf8aa2744092cfd33233161d089d63fd52cd31a9f513fe
Copyright registration time
2026-07-30T23:17:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:274ffa25436c7dce404f8a759cb4ef97c4cf83d86a9228b3911a26be570a07bb

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.