Diptych: II. Testament

Recording by Valentin Silvestrov.

Recording identifiers

ISRC
FINDE1500133
CopyrightID (CopyrightChains transaction hash)
0xce033f043cd30302fc41781f2ace81719ef5e1b17333f93fbbff46106e1aec9d
Copyright registration time
2026-06-24T10:39:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b932c1685b1122e73d5f491f761b5e8b571061e31c24900f71c9bd4ea951100d

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.