De profundis

Recording by Arvo Pärt.

Recording identifiers

ISRC
DEB338632504
CopyrightID (CopyrightChains transaction hash)
0x5329d78851616f1a71a979324ac06f80bac12437558ae601a07c539283b20739
Copyright registration time
2026-06-25T09:53:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:21187f2c8cfa16e5da97914115b58581cc4ce72e25581a6caf24a388ce0e0b5c

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.