3 Postludes: Postlude No. 3

Recording by Valentin Silvestrov.

Recording identifiers

ISRC
DEB330077605
CopyrightID (CopyrightChains transaction hash)
0x8e99cb03f22371a80d80e5f1b29139c4becbc089d78dadfb81912fddb4e4ca1f
Copyright registration time
2026-06-04T03:19:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:23687fd691e55718124b32d86e83f82d4877c2c71abfc1015f8bc1ad79f96622

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.