De profundis

Recording by Sofia Gubaidulina.

Recording identifiers

ISRC
SEAEH9410060
CopyrightID (CopyrightChains transaction hash)
0xa1b8c11628f4cf4edba4eb43bf9b6adce4421b3124ef21b8ba8b886f10d7b485
Copyright registration time
2026-07-07T10:39:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9a1bee3d7271d173f2fa45e1905326aa4f37d53c25efc29e2aff230a948875c6

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.