De Profundis

Recording by Sofia Gubaidulina.

Recording identifiers

ISRC
PLE442140008
CopyrightID (CopyrightChains transaction hash)
0xe58de06e66e4feff499d3d344933fad3d0ba58f9173462105961eb27737ea298
Copyright registration time
2026-07-07T05:32:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6fb824845031e1d7e4840cfbc8eb2cb6bebd6956357eef7a7ef5d948d8bf8408

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.